WO2007129658A1 - 光学異性体分離用充填剤 - Google Patents
光学異性体分離用充填剤 Download PDFInfo
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- WO2007129658A1 WO2007129658A1 PCT/JP2007/059371 JP2007059371W WO2007129658A1 WO 2007129658 A1 WO2007129658 A1 WO 2007129658A1 JP 2007059371 W JP2007059371 W JP 2007059371W WO 2007129658 A1 WO2007129658 A1 WO 2007129658A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/29—Chiral phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/3272—Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/328—Polymers on the carrier being further modified
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
- C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B33/00—Preparation of derivatives of amylose
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B33/00—Preparation of derivatives of amylose
- C08B33/04—Ethers
Definitions
- the present invention relates to a filler for separating optical isomers and a method for producing a filler for separating optical isomers.
- ester derivatives and force rubamate derivatives that have been optically modified from optically active polymers such as cellulose and amylose have high optical resolution as chiral stationary phases, and a wide range of chromatographic packings using these derivatives.
- the chromatographic packing material using these polymer compound derivatives is used in a state where it is supported on a carrier such as silica gel for the purpose of increasing the packing rate to the column, facilitating handling, and increasing mechanical strength. in use.
- Patent Document 1 describes a packing material for chromatography in which a cellulose derivative containing an aromatic ring is supported on a carrier such as silica.
- Patent Document 2 describes a chromatographic packing material in which a polysaccharide rubamate derivative such as amylose is supported on a carrier such as silica.
- the above-mentioned conventional packing material for chromatography using a high molecular compound such as a polysaccharide derivative is that the high molecular compound is only supported on the carrier by physical adsorption. Depending on the type, the polymer compound may dissolve in the elution solvent and become unusable.
- the elution solvent capable of doing so is generally the solubility of a high molecular compound such as a polysaccharide derivative.
- a high molecular compound such as a polysaccharide derivative
- Patent Document 3 discloses a chromatographic packing material in which an optically active polymer compound is chemically bonded to silica gel.
- an optically active polymer compound is chemically bonded to silica gel.
- a carrier such as silica
- the filler described in Patent Document 3 requires a large number of steps for bonding the high molecular compound and the silica gel, and the filler could not be efficiently manufactured.
- Patent Document 4 discloses a method in which a polymerizable group is introduced into a polysaccharide and a carrier, and this is chemically bonded to the carrier by copolymerization in the presence of a compound having another polymerizable unsaturated group.
- the reaction time required for radical polymerization is as long as 20 hours, and when a polymerizable group is introduced into the carrier, the number of steps increases, so that the production of the filler cannot be carried out efficiently and there is room for improvement. .
- Non-Patent Document 1 discloses a cellulose derivative used for separation of optical isomers, and as a spacer for binding the cellulose derivative on a silica matrix. A method using a silane coupling agent is described. However, in the cellulose derivative obtained by the powerful method, no silica-derived signal was observed by NMR analysis, and it was considered that the silane coupling agent was not substantially introduced into the cellulose derivative. .
- Patent Document 1 JP-A-60-142930
- Patent Document 2 JP-A-60-226831
- Patent Document 3 Japanese Patent Laid-Open No. 60-196663
- Patent Document 4 Japanese Patent Laid-Open No. 2002-148247
- Non-Patent Document 1 J. Chromatogr. A, 1010 (2003) 185—194
- the present invention has been made in view of the above circumstances, and as a result of diligent research, the present inventor completely completed the derivatization of the polymer compound that is a raw material for the optical isomer separation filler.
- the polymer compound is derivatized with a plurality of compounds including a compound having a key and a compound having a key
- the order of derivatization is defined, thereby converting the key compound into the polymer compound. It was found that it can be introduced efficiently and in a controlled manner.
- the polymer compound is allowed to react under specific conditions, whereby the polymer compound is supported on the carrier with a high fixation ratio. We found that it can be supported by chemical bonds.
- the present inventor has completed the present invention from these findings. That is, the gist of the present invention is as follows.
- A represents a reactive group that reacts with a hydroxyl group or an amino group
- X may have a branched chain having 1 to 18 carbon atoms, may have an alkylene group or a substituent, and represents an arylene group.
- Y represents a reactive group that reacts with a silanol group to form a siloxane bond
- R represents a carbon number of 1 to 1
- alkyl group which may have 8 branches or an aryl group which may have a substituent, and n Indicates an integer of 1 to 3.
- At least part of the hydroxyl group or amino group other than the hydroxyl group or amino group modified with the compound represented by the general formula (I) further has a functional group that acts on the optical isomer.
- Physical strength The filler for separating optical isomers according to (7), introduced via a urethane bond, urea bond, ester bond or ether bond.
- R ′ is an aliphatic or aromatic hydrocarbon group which may contain a hetero atom, a hydrocarbon which may be unsubstituted or contain a hetero atom having 1 to 12 carbon atoms, , Halogen, hydroxy, nitro, amino and di (alkyl having 1 to 8 carbon atoms) amino groups may also be substituted by one or more selected groups.
- the compound having a functional group that acts on the optical isomer is 3,5 dimethylfuran isocyanate, 3,5 dichroic phenyl isocyanate, 1-phenylethyl isocyanate, or 4-methylbenzoyl.
- A represents a reactive group that reacts with a hydroxyl group or an amino group
- X may have a branched chain having 1 to 18 carbon atoms, may have an alkylene group or a substituent, and represents an arylene group.
- Y represents a reactive group that reacts with a silanol group to form a siloxane bond
- R represents a carbon number of 1 to 1
- alkyl group which may have 8 branches or an aryl group which may have a substituent, and n represents an integer of 1 to 3.
- the present invention it is possible to provide a filler for separating optical isomers, which is excellent in solvent resistance, performance in mass separation of optical isomers and mechanical strength.
- a filler for separating optical isomers which has a high immobilization rate of a polymer compound such as a polysaccharide derivative on a carrier surface and excellent in optical resolution.
- the present invention can provide a method for efficiently carrying out the production of the filler by reducing the number of steps when chemically bonding a polymer compound such as a polysaccharide derivative to the surface of the carrier.
- FIG. 1 is a diagram showing the structure of a polymer compound derivative (cellulose or amylose derivative) obtained in an example.
- FIG. 2 is a diagram showing the structural formulas of compounds optically resolved in Examples and Comparative Examples. Structural formula The numerical values shown in the lower part correspond to the numerical values indicating the racemates listed in Tables 1-4.
- FIG. 3 shows an alkoxysilyl group obtained in Example 1 at 80 ° C. in DMSO-d.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 1) of cellulose 3,5-dimethylphenol carbamate derivative B.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 1) of cellulose 3,5-dimethylphenol carbamate derivative B.
- FIG. 4 shows an alkoxysilyl group obtained in Example 2 at 80 ° C. in DMSO-d.
- FIG. 1 is a diagram showing a 1 H NMR spectrum (svector 2) of cellulose 3,5-dimethylphenol carbamate derivative D.
- FIG. 1 is a diagram showing a 1 H NMR spectrum (svector 2) of cellulose 3,5-dimethylphenol carbamate derivative D.
- FIG. 5 contains an alkoxysilyl group obtained in Example 3 at 80 ° C. in DMSO-d.
- FIG. 1 is a diagram showing a 1 H NMR spectrum (svector 3) of cellulose 3,5-dimethylphenol carbamate derivative F.
- FIG. 1 is a diagram showing a 1 H NMR spectrum (svector 3) of cellulose 3,5-dimethylphenol carbamate derivative F.
- FIG. 6 shows an alkoxysilyl group obtained in Example 5 at 80 ° C. in DMSO-d.
- FIG. 7 contains an alkoxysilyl group obtained in Example 6 at 80 ° C. in DMSO-d.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 5) of cellulose 3,5-dimethylphenol carbamate derivative H.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 5) of cellulose 3,5-dimethylphenol carbamate derivative H.
- FIG. 8 contains an alkoxysilyl group obtained in Example 7 at 80 ° C. in DMSO-d.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 6) of cellulose 3,5-dimethylphenol carbamate derivative I.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 6) of cellulose 3,5-dimethylphenol carbamate derivative I.
- FIG. 9 contains an alkoxysilyl group obtained in Example 9 at 80 ° C. in DMSO-d.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 7) of cellulose 3,5-dimethylphenol carbamate derivative J.
- FIG. 1 is a diagram showing a 1 H NMR ⁇ vector (svector 7) of cellulose 3,5-dimethylphenol carbamate derivative J.
- FIG. 10 contains an alkoxysilyl group obtained in Example 10 at 80 ° C. in DMSO-d.
- FIG. 2 is a diagram showing a 1 H NMR ⁇ vector (spectrum 8) of cellulose 3,5-dimethylphenol carbamate derivative L.
- FIG. 15 shows the 1 H NMR spectrum of derivative M obtained in Comparative Example 1 at 80 ° C. in DMSO-d.
- FIG. 16 contains an alkoxysilyl group obtained in Example 11 at 80 ° C. in DMSO-d.
- 1 is a diagram showing a 1 H NMR spectrum (spectrum 14) of cellulose 3,5-dichlorophenol carbamate derivative N.
- FIG. 17 contains an alkoxysilyl group obtained in Example 12 at 80 ° C. in DMSO-d.
- FIG. 2 is a diagram showing a 1 H NMR ⁇ vector (spectrum 16) of amylose (S) -1 phenethylcarbamate derivative P.
- FIG. 19 At 80 ° C. obtained in Example 14, containing an alkoxysilyl group in Pyridine-d
- FIG. 2 is a diagram showing a 1 H NMR spectrum (spectrum 17) of amylose (S) -1 phenethylcarbamate derivative Q.
- FIG. 20 shows a cell containing an alkoxysilyl group obtained in Example 15 at 55 ° C. and CDC1.
- FIG. 3 is a diagram showing a 1 H NMR spectrum (spectrum 18) of a roulose 4 methylbenzoate derivative R.
- the filler for separating optical isomers of the present invention is a high molecular weight compound having a hydroxyl group or an amino group, in which a hydroxyl group or a part of the amino group is modified with a compound represented by the following general formula (I).
- the molecular compound derivative is supported by a chemical bond on a carrier.
- A represents a reactive group that reacts with a hydroxyl group or an amino group
- X may have a branched chain having 1 to 18 carbon atoms, an alkylene group or a substituent
- an arylene group Y represents a reactive group that reacts with a silanol group to form a siloxane bond
- R may have an alkyl group or substituent that may have a branch having 1 to 18 carbon atoms.
- n represents an integer of 1 to 3.
- the polymer compound derivative means a polymer compound in which at least a part of the hydroxyl group or amino group of the polymer compound having a hydroxyl group or amino group is modified with a modifying compound.
- the polymer compound used as a raw material for the production of the polymer compound derivative is a polysaccharide
- the polymer compound derivative is a polysaccharide derivative.
- the polymer compound used in the production of the optical isomer separation filler of the present invention is more preferably a polysaccharide, which is preferably an optically active organic polymer compound.
- any of natural polysaccharides, synthetic polysaccharides, and natural product-modified polysaccharides can be preferably used as long as it has chirality.
- those having a regular bonding mode are preferable because the separation ability of optical isomers can be further enhanced.
- the above polysaccharides include j8-1,4-glucan (cellulose), ⁇ -1,4-glucan (amylose, amylopectin), ⁇ -1,6-gnolecan (dextran), ⁇ -1,6.
- Curdlan and the like more preferably cellulose and amylose.
- the number average degree of polymerization of the polysaccharide is preferably 5 or more, more preferably 10 or more, and there is no particular upper limit, but it is handled that it is 1000 or less. In view of ease, it is more preferably 5 to: LOOO, more preferably ⁇ is 10 to 1000, and particularly preferably ⁇ is 10 to 500.
- A is a reactive group that reacts with a hydroxyl group or an amino group, such as a closed carbo group, a carboxyl group, an isocyanate group, a glycidyl group, or a thiocyanate group.
- X is an arylene group which may have a branched chain having 1 to 18 carbon atoms or may have a hetero atom introduced, and may have a branched chain having 1 to 18 carbon atoms.
- an alkylene group that may be used is preferable, and a propylene group, an ethylene group, a butylene group, and the like are preferable.
- Y reacts with silanol groups to form siloxane bonds.
- a reactive group such as an alkoxy group having 1 to 12 carbon atoms, or a halogen is preferable, and a methoxy group, an ethoxy group, a propoxy group, or the like is particularly preferable.
- R has a 1 to 18 carbon branch! / May be !, an alkyl group or a substituent! / May be a aryl group, an ethyl group, a methyl group Etc.
- n represents an integer of 1 to 3.
- the compounds represented by the above general formula (I) include 3-isocyanatopropylpropylethoxysilane, 3-isocyanatopropylpropylmethoxysilane, 3-isocyanatopropylmethoxymethylsilane, 2-isocyanate.
- the compound represented by the general formula (I) is introduced into a hydroxyl group or a part of the amino group of the polymer compound having a hydroxyl group or an amino group.
- the position of introduction of the compound represented by the general formula (I) into the hydroxyl group or amino group of the polymer compound having the hydroxyl group or amino group is not particularly limited.
- the “part” can be expressed as a rate of introduction of the compound represented by the general formula (I) into a hydroxyl group or an amino group of a polymer compound having a hydroxyl group or an amino group. It is.
- the introduction rate is preferably 1.0 to 35%, more preferably 1.5 to 20%, and particularly preferably 2.0 to 10%.
- the reason for this is that if the introduction ratio of the compound represented by the above general formula (I) is smaller than 1.0%, the immobilization ratio decreases when the compound is immobilized on a carrier such as silica gel by chemical bonding. This is because if it exceeds 35%, it is not preferable because the optical resolution is lowered.
- the introduction rate (%) is defined as follows. That is, when the polymer compound used in the production of the polymer compound derivative of the present invention has only hydroxyl groups, it is modified with the compound represented by the above general formula (I) with respect to the total number of hydroxyl groups of the polymer compound. It is a numerical value obtained by multiplying the ratio of the number of hydroxyl groups by 100. When the polymer compound has only an amino group, it was modified with the compound represented by the general formula (I) with respect to the total number of amino groups.
- the polymer compound derivative is a functional group in which at least a part of a hydroxyl group or amino group other than a hydroxyl group or amino group modified with the compound represented by the general formula (I) further acts on an optical isomer It is preferred to be modified with a compound having
- the functional group is a functional group that acts on an optical isomer in a sample containing the optical isomer to be separated.
- the action of the functional group on the optical isomer cannot be generally described because the type of functional group differs depending on the type of optical isomer to be separated, but optical resolution of the optical isomer by the polymer compound derivative is performed.
- the action is not particularly limited as long as the action is sufficient.
- Examples of the functional group include a group containing an aromatic group which may have a substituent, and an aliphatic group having a cyclic structure.
- the aromatic group can include a heterocyclic ring or a condensed ring.
- the substituent that the aromatic group may have include an alkyl group having up to about 8 carbon atoms, a halogen, an amino group, and an alkoxyl group.
- the functional group is selected according to the type of the optical isomer to be separated.
- the compound having a functional group that acts on the optical isomer is a hydroxyl group modified with the compound represented by the general formula (I) or a hydroxyl group other than the amino group or at least a part of the amino group.
- an amino group it is preferably introduced via a urea bond or an amide bond via a urethane bond, an ester bond or an ether bond.
- the compound having a functional group acting on the optical isomer is a compound having a functional group capable of reacting with the hydroxyl group or amino group of the polymer compound in addition to the functional group acting on the optical isomer.
- the compound having a functional group capable of reacting with the hydroxyl group or amino group any compound may be used as long as it is an isocyanic acid derivative, carboxylic acid, acid halide, alcohol or other reactive compound.
- the introduction rate of the compound having the functional group and the introduction position in the polymer compound are special. However, it is appropriately selected according to the type of functional group, the type of polymer compound, and the like.
- the total of the introduction rate of the compound represented by the general formula (I) and the introduction rate of the compound having the functional group is preferably 90 to L00%.
- 100% is more preferred. 100% is particularly preferred.
- R ' is an aliphatic or aromatic hydrocarbon group which may contain a heteroatom, and may be unsubstituted or a carbon atom which may contain a heteroatom having 1 to 12 carbon atoms. Hydrogen, sheared halogen, hydroxy, nitro, amino and di (C 1-8 alkyl) amino groups may also be substituted by one or more selected groups.
- Examples of the monovalent aromatic hydrocarbon group represented by R 'above include phenyl, naphthyl, phenanthryl, anthracyl, indul, indanyl, furyl, thiol, pyryl, benzofuryl, benzthionyl, indyl, And groups such as pyridyl, pyrimidyl, quinolinyl and isoquinolyl.
- Examples of the substituent for the monovalent aromatic hydrocarbon group represented by R ′ include, for example, alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons, alkylthio having 1 to 12 carbons, and halogen-containing halogen.
- Examples include groups having 1 to 8 carbon atoms, acyl groups having 1 to 8 carbon atoms, hydroxy, alkoxycarbons having 1 to 12 carbon atoms, nitro, amino and di (alkyl having 1 to 8 carbon atoms) amino. It is done.
- the aliphatic hydrocarbon group represented by R ′ is preferably an aliphatic cyclic compound larger than a 3-membered ring, more preferably larger than a 5-membered ring, or an aliphatic cyclic compound having a bridge structure. . Among them, preferred are a cyclohexyl group, a cyclopentyl group, a norbornyl group, an adamantyl group, and the like.
- Examples of the aralkyl group represented by R include a 1-phenyl group.
- a hydroxyl group other than the hydroxyl group modified with the compound represented by the above general formula (I) or at least a partial force of an amino group phenyl isocyanate, toluyl isocyanate, naphthyl ethyl isocyanate NART, 3,5-Dimethylphenol isocyanate, 3,5-Dichlorophthalate isocyanate, 4-Dichlorophenol isocyanate, 1-Phenolethyl isocyanate, 4-Methylbenzoyl chloride It is preferable to be modified with one or more selected from the group 3, 5, -dimethylphenol isocyanate, 3,5-dichlorophenol isocyanate, 1-phenylethyl isocyanate, or 4 It is particularly preferred to be modified with methylbenzoyl chloride.
- the filler for separating optical isomers of the present invention is characterized in that the polymer compound derivative is supported on a carrier by a chemical bond.
- “supported by chemical bonds” means that the polymer compound derivative is immobilized on the carrier by chemical bonds.
- the immobilization of the polymer compound derivative by a chemical bond uses at least one of a chemical bond between the polymer compound derivative and the carrier and a chemical bond between the polymer compound derivatives.
- the carrier examples include a porous organic carrier and a porous inorganic carrier, and a porous inorganic carrier is preferable.
- Appropriate porous organic carriers are polymeric substances composed of polystyrene, polyacrylamide, polyatarylate, etc., and suitable porous inorganic carriers are silica, silica gel, anolemina, magnesia, glass, kaolin, oxidized. Examples include titanium, silicate, hydroxyapatite, and zircoure.
- the porous inorganic carrier may be in the form of a network-like inorganic carrier such as an organic-inorganic composite composed only of a particulate carrier, Japanese Patent Laid-Open No. 2005-17268, or Japanese Patent Laid-Open No. 2006-150214. Also included is a columnar integrated inorganic support that can be held in a column tube.
- the carrier is silica gel
- the particle size of the silica gel is 1 ⁇ m to 100 ⁇ m, preferably 3 ⁇ m to 50 ⁇ m, more preferably 3 ⁇ m to 30 ⁇ m.
- the average pore diameter is from 1 nm to 400 nm, preferably from 3 nm to 500 nm.
- the surface should be surface treated to eliminate the effects of residual silanol! /, But it is desirable that it be completely surface treated! /.
- the method for producing a filler for separating optical isomers of the present invention is a method in which a hydroxyl group or a part of an amino group of a polymer compound having a hydroxyl group or an amino group is modified with a compound represented by the above general formula (I).
- the polymer compound derivative can be produced by the following steps.
- the production process of the polymer compound derivative used in the present invention includes at least the hydroxyl group or amino group of the polymer compound having a dissolved hydroxyl group or amino group other than the compound represented by the general formula (I).
- the first modification step which is modified with the above compound, and in the first decoration step, the compound is modified with a compound other than the compound represented by the general formula (I)!
- the compound represented by the general formula (I) can be efficiently used as the polymer compound. Also preferred for a controlled introduction.
- the above production method may further include a step of dissolving the polymer compound in order to obtain a polymer compound having a dissolved hydroxyl group or amino group.
- a known method can be used to dissolve the polymer compound.
- a swelling step of swelling the polymer compound may be included. preferable.
- a polymer compound having a dissolved hydroxyl group or amino group is commercially available, a polymer compound having a dissolved hydroxyl group or amino group may be purchased and used.
- an amide solvent is preferably used as the solvent for dissolving the polymer compound derivative in the dissolution step.
- a mixed solution of 1,3-dimethyl-2-imidazolidinone Z lithium chloride or the like can be exemplified, and N, N-dimethylacetamide Z lithium chloride is particularly preferably used.
- the dissolution step is preferably performed in a nitrogen atmosphere.
- the polymer In the case of a polysaccharide, examples of the dissolution conditions thereof include 20 to: LOO ° C. and 1 to 24 hours, but those skilled in the art can appropriately adjust the conditions depending on the polymer compound used.
- the hydroxyl group or amino group of the polymer compound having a dissolved hydroxyl group or amino group reacts with at least a functional group that acts on the optical isomer with a hydroxyl group or amino group.
- a compound having a group also simply a compound having a functional group!.
- a known method can be used for this modification.
- Modification of the hydroxyl group or amino group of the polymer compound under a nitrogen atmosphere at LOO ° C. for 1 to 24 hours is preferable for controlling the introduction rate of the compound having a functional group.
- the reaction temperature, the reaction time, and the amount of the compound having a functional group added are important in adjusting the introduction rate of the compound having the functional group.
- the introduction position of the compound having at least a functional group acting on an optical isomer and a functional group capable of reacting with a hydroxyl group or an amino group in the polymer compound derivative of the present invention is not particularly limited.
- the hydroxyl group or amino group is modified with a compound having a functional group in the first modification step!,!, Unreacted hydroxyl group or amino group of the polymer compound.
- a known method can be used.
- dimethylacetate is used.
- the amount of the compound represented by the general formula (I) is particularly important from the viewpoint of controlling the introduction rate of the compound represented by the general formula (I).
- the introduction position of the compound represented by the general formula (I) in the polymer compound derivative is not particularly limited. If the polymer compound derivative has an unreacted hydroxyl group or amino group at the end of the second modification step, it is used in the first modification step. It is preferable to make it react with the compound which has the used functional group.
- the method for producing a polymer compound derivative used in the present invention includes at least a protecting group for introducing a protecting group into a hydroxyl group or a part of an amino group of a polymer compound having a dissolved hydroxyl group or amino group.
- An introduction step, a first modification step in which the hydroxyl group or amino group remaining in the polymer compound into which the protecting group is introduced is modified with a compound other than the compound represented by the general formula (I), and the introduced protection It may be a method including a desorption step of desorbing a group to regenerate a hydroxyl group, and a second modification step of modifying the regenerated hydroxyl group with the compound represented by the above general formula (I)! ⁇
- the specific position of the hydroxyl group or amino group of the polymer compound can be modified with the compound represented by the above general formula (I). is there.
- the protecting group introduced in the protecting group introducing step is a modified component that modifies the hydroxyl group or amino group in the modifying step.
- the group is not particularly limited as long as it is a group that can be easily desorbed by a hydroxyl group or an amino group rather than a child.
- the compound for introducing the protecting group can be determined based on the reactivity of the hydroxyl group or amino group to be protected or modified, or the reactivity of the compound with respect to the hydroxyl group or amino group.
- triphenylmethyl Group (trityl group), diphenylmethyl group, tosyl group, mesyl group, trimethylsilyl group, dimethyl (t-butyl) silyl group and the like, and preferably a compound having trityl group or trimethylsilyl group.
- a protecting group into the hydroxyl group or amino group and the modification of the hydroxyl group or amino group with the compound to be modified can be performed by a known appropriate reaction depending on the type of the compound to be reacted with the hydroxyl group or amino group.
- the elimination of the hydroxyl group or amino group force of the protecting group in the elimination step is not particularly limited, and can be performed by a known method such as hydrolysis with an acid or alkali.
- the method for producing a polymer compound derivative used in the present invention is used, it is modified with a functional group in the first modification step, where the hydroxyl group or amino group of the polymer compound derivative is substituted.
- the quantification can be modified with the compound represented by the general formula (I) in the second modification step. Therefore, the introduction rate of the compound represented by the general formula (I) into the polymer compound having a hydroxyl group or an amino group is represented by the general formula (I) in the second modification step.
- Compound Control is possible by adjusting the amount of objects.
- the step of supporting the polymer compound derivative on a carrier such as silica gel by chemical bonding can be performed using a known step, but the step of physically adsorbing the polymer compound derivative on a carrier such as silica gel, It is preferable to include a step of generating at least one of a chemical bond between the polymer compound derivative physically adsorbed on the carrier and the carrier and a chemical bond between the polymer compound derivatives.
- the mass ratio of the polymer compound derivative in which the introduction ratio of the represented compound is 1 to 35% and the carrier such as silica gel is 1: 2 to 1:20, and 20 to 150 ° C in an acidic aqueous solution of ⁇ 1 to 6 It is preferable to perform the immobilization in 1 minute to 24 hours to improve the immobilization rate.
- This house The reaction pH, reaction temperature, and reaction time are particularly important from the viewpoint of improving the immobilization rate.
- the above-mentioned fixed shear rate can be made 99% or more.
- the above-mentioned immobilization ratio refers to a polymer present on a carrier after washing with a solvent in which the polymer compound derivative is soluble with respect to the mass of the polymer compound derivative present on the carrier on which the polymer compound derivative is immobilized. It is a numerical value obtained by multiplying the mass ratio of the compound derivative by 100, and the thermogravimetric analysis power can also be calculated.
- the introduction rate into the hydroxyl group or amino group of the polymer compound having a hydroxyl group or amino group of the compound represented by the general formula (I) is changed. It is preferable to control as described above.
- the silanol group or polymer compound derivative existing on the silica gel at a suitable temperature using a silane coupling agent such as chlorotrimethylsilane or chlorotriethylsilane.
- a silane coupling agent such as chlorotrimethylsilane or chlorotriethylsilane.
- the filler for optical isomer separation of the present invention is used for gas chromatography, electrophoresis, particularly for capillary-elect mouth chromatography (for CEC), CZE (capillary zone electrophoresis) method, MEKC. It can also be used as a filler for the first ram of the micellar electrokinetic chromatography method.
- the cellulose used in the following examples and the like is microcrystalline cellulose
- the silica gel has a pore size of ⁇ and a particle size of 7 ⁇ m
- the silica gel treated with aminopropyl is also prepared by surface-treating the silica gel.
- FIG. 3 shows the 1 H NMR ⁇ vector of the derivative-B. From the 1 H NMR ⁇ petal, a signal derived from the proton of the phenyl group appears in the vicinity of 6.0 to 7.
- silica B-1 337 mg of the obtained derivative B was dissolved in 8 ml of tetrahydrofuran, and supported on 1.35 g of aluminopropyl-treated silica gel to obtain silica B-1. Disperse 0.65 g of dried silica B-1 in ethanol Z water Z chlorotrimethylsilane (6 ml / 1.5 ml I 0.1 ml), react for 10 minutes while boiling in an oil bath at 110 ° C, and onto silica gel The derivative B was fixed simultaneously with the remaining silanol group present on the silica gel and the unreacted ethoxysilyl group present on the derivative with the trimethylsilyl group.
- silica B-2 The obtained fixed material was washed with methanol and vacuum dried to obtain silica gel on which derivative B was immobilized. The resulting silica gel was washed with tetrahydrofuran. The cellulose derivative melted and became strong. The silica gel washed with tetrahydrofuran was designated as silica B-2.
- the obtained silica B-2 was subjected to particle size fractionation, and packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column 11.
- N 1300.
- Table 1 shows the optical resolution results for column-1.
- the values in the table are the volume ratio kl 'and the separation factor ⁇ , and the sign in this is the optical rotation of the enantiomer that was previously eluted.
- ⁇ (volume ratio of the enantiomer held stronger) / (volume ratio of the enantiomer held weaker)
- the obtained derivative D was dissolved in 8 ml of tetrahydrofuran, and supported on 1.40 g of aminopropyl-treated silica gel to obtain silica D-1.
- the derivative D was fixed and the remaining silanol group present on the silica gel and the unreacted ethoxysilyl group present on the derivative were protected with the trimethylsilyl group.
- silica D-2 The silica gel after washing with tetrahydrofuran was designated as silica D-2.
- the obtained silica D-2 was subjected to particle size fractionation and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the resulting column was designated as column 12.
- N 1800.
- silica F-1 350 mg of the obtained derivative F was dissolved in 8 ml of tetrahydrofuran, and supported on 1.40 g of aminopropyl-treated silica gel to obtain silica F-1.
- the obtained fixed material was washed with methanol and vacuum dried to obtain silica gel on which derivative F was immobilized.
- silica gel was washed with tetrahydrofuran, 1% of the supported cellulose derivative was eluted, and it was confirmed that the fixing ratio was 99% (thermogravimetric analysis (SSC-5200, Seiko Electronics Corporation). (Confirmation).
- Silica gel F-2 was used as the silica gel after washing with tetrahydrofuran.
- the obtained silica F-2 was subjected to particle size fractionation and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column 13.
- N 1350.
- silica F-3 350 mg of the above derivative F was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of untreated silica gel to obtain silica F-3.
- the obtained fixed product was washed with methanol and vacuum dried to obtain silica gel on which derivative F was immobilized.
- silica gel was washed with tetrahydrofuran, 2% of the supported cellulose derivative was eluted, and it was confirmed that the immobilization rate was 98% (confirmed by thermogravimetric analysis). After washing with tetrahydrofuran Jamaica gel is Silica F-4.
- the obtained silica F 4 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the resulting column was designated as column one.
- silica G-1 350 mg of the obtained derivative G was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of untreated silica gel to obtain silica G-1.
- the obtained fixed product was washed with methanol and vacuum dried to obtain silica gel on which the derivative G was immobilized.
- silica gel was washed with tetrahydrofuran, it was confirmed that less than 1% of the supported amylose derivative was eluted and the immobilization rate was 99% or more (confirmed by the thermogravimetric analysis).
- the silica gel after washing with tetrahydrofuran was designated as silica G-2.
- the obtained silica G-2 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column 5.
- Table 3 shows the results of optical resolution of column 5.
- the values in the table are the volume ratio kl 'and the separation factor ⁇ , and the sign in this is the optical rotation of the enantiomer that was previously eluted.
- silica H-1 350 mg of the resulting derivative H was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of untreated silica gel to obtain silica H-1. Disperse 0.65 g of dried silica H-1 in ethanol / water / chlorotrimethylsilane (6 ml / 1.5 ml I 0.1 ml), react for 10 minutes while boiling in an oil bath at 110 ° C, and onto silica gel At the same time, the protection of the derivative H of this compound and the protection of the residual silanol group present on the silica gel and the unreacted ethoxysilyl group present on the derivative with the trimethylsilyl group were performed.
- silica H-2 The silica gel after washing was designated as silica H-2.
- the obtained silica H-2 was subjected to particle size fractionation, and packed in a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column six.
- silica 1-1 350 mg of the obtained derivative I was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of untreated silica gel to obtain silica 1-1. Disperse 0.61 g of dried silica 1-1 in ethanol Z water Z chlorotrimethylsilane (6 ml / 1.5 ml / 0.1 ml), react for 10 minutes while boiling in an oil bath at 110 ° C, and onto silica gel Derivatives of I are present on silica gel and silica gel The remaining silanol groups and unreacted ethoxysilyl groups present in the derivatives were simultaneously protected with trimethylsilyl groups.
- silica gel on which derivative I was immobilized was washed with methanol and vacuum dried to obtain silica gel on which derivative I was immobilized.
- silica gel was washed with tetrahydrofuran, it was confirmed that 9% of the supported cellulose derivative was eluted and the immobilization rate was 91% (confirmed by thermogravimetric analysis).
- Silica Genole after washing with tetrahydrofuran was designated as Silica I2.
- the obtained silica 1-2 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column 7.
- silica 1-3 350 mg of the above derivative I was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of aminopropyl-treated silica gel to obtain silica 1-3. Disperse 0.65 g of dried silica 1-3 in ethanol Z water Z chlorotrimethylsilane (6 ml / 1.5 ml I 0.1 ml), react for 10 minutes while boiling in an oil bath at 110 ° C, and onto silica gel Protection of derivative I was simultaneously performed with protection of residual silanol groups present on silica gel and unreacted ethoxysilyl groups present on the derivatives with trimethylsilyl groups.
- the obtained immobilized product was washed with methanol and vacuum dried to obtain silica gel on which derivative I was immobilized.
- silica gel was washed with tetrahydrofuran, it was confirmed that 13% of the supported cellulose derivative was eluted and the fixation ratio was 87% (confirmed by the thermogravimetric analysis).
- the silica gel washed with tetrahydrofuran was designated as silica 1-4.
- Example 7 shows that when derivative I is used, the use of untreated silica gel V or the use of 3-aminopropylated silica gel has little effect on the anchorage. You can see (the fixed rate is 91% and 87% respectively). Further, when the immobilization rates of Example 3 and Example 4 are compared, there is no difference between untreated silica gel and 3-aminopropylated silica gel. This result indicates that the immobilization is hardly affected by the silanol groups on the silica gel surface and occurs in the crosslinking reaction between the polysaccharide derivatives.
- the obtained silica 1-4 was subjected to particle size fractionation, and packed in a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the resulting column was designated as column 8.
- Column — The theoretical plate number (N) of 8 showed N 2500.
- silica J-1 350 mg of the obtained derivative J was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of untreated silica gel to obtain silica J-1. Disperse 0.65 g of dried silica J-1 in ethanol Z water Z chlorotrimethylsilane (6 ml / 1.5 ml / 0.1 ml), react for 10 minutes while boiling in an oil bath at 110 ° C, and onto silica gel In addition to the immobilization of Derivative J, the remaining silanol groups present on the silica gel and the unreacted ethoxysilyl groups present on the derivatives were protected with trimethylsilyl groups.
- the obtained fixed product was washed with methanol and vacuum dried to obtain silica gel on which the derivative J was immobilized.
- the ratio of the organic matter on the silica gel before and after washing with THF was 18.7% and 18.6%, respectively, and 1% of the supported cellulose derivative was eluted.
- the immobilization rate was confirmed to be 99% (confirmed by thermogravimetric analysis).
- the silica gel after washing with tetrahydrofuran was designated as silica J-2.
- the obtained silica J 2 was subjected to particle size fractionation, and packed in a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column nine.
- silica gel-fixed cage filler 350 mg of the obtained derivative L was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of untreated silica gel to obtain silica L-1. Disperse 0.65 g of dried silica L-1 in ethanol / water / trimethylsilane (6 ml / 1.5 ml I 0.1 ml) and react for 10 minutes without boiling in an oil bath at 110 ° C. At the same time, the immobilization of the derivative L in the water and the protection of the residual silanol group present on the silica gel and the unreacted ethoxysilyl group present in the derivative with the trimethylsilyl group were performed.
- the obtained fixed material was washed with methanol and vacuum dried to obtain silica gel on which the derivative L was immobilized.
- silica gel was washed with tetrahydrofuran, 1% of the supported cellulose derivative was eluted, and it was confirmed that the immobilization rate was 9% (confirmed by the thermogravimetric analysis).
- Silica gel L-2 was used as the silica gel after washing with tetrahydrofuran.
- the obtained silica L 2 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the resulting column was designated as column 10.
- Kahum-8 Kafumu 9 Column 1 1 0 Racemic kl, a kl, kl, a
- Silica L 2 (Example 10) in which derivative L having a selective 3-triethoxysilylpropyl group at position 6 is immobilized, and non-specific 3-triethoxysilylpropyl group at positions 2, 3, 6 Silica H-2, on which the derivative H (Example 6) was fixed, was ground in a mortar and pulverized, and washed with THF. The THF-soluble part was recovered from the obtained washing liquid and its 1H NMR was measured.
- Fig. 11 (Spectrum 9) shows the 1H NMR ⁇ vector of the THF soluble part of silica L-2
- Fig. 12 (Spectrum 10) shows the 1 H NMR ⁇ vector of the THF soluble part of silica H-2. ).
- FIG. 13 shows the 1 H NMR ⁇ vector of the pulverized product obtained by pulverizing the silica gel thus obtained with a mortar.
- Example 10 (1) Since no peak is observed in spectrum 11 at 0.1 to 0.6 ppm, it can be seen that the peak observed in Example 10 (1) is a peak derived from 3-triethoxysilylpropyl group introduced into cellulose. Power.
- a derivative for example, J. Polym. Sci, in which a derivative in which a vinyl group (methacryloyl group) is introduced into the side chain of cellulose, is supported on silica gel and then the cellulose derivative is immobilized on silica gel by radical copolymerization with styrene.
- Part A: Polym. Chem., 4 1, 3703 (2003) was ground in a mortar as in (1).
- the finely pulverized product was washed with THF, and the obtained washing solution force THF-soluble part was recovered and its 1 H NMR was measured.
- the 1 H NMR spectrum of the THF soluble part is shown in FIG. 14 (spectrum 12).
- the reaction system was heterogeneous and became a highly viscous solution after 10 hours.
- This reaction solution was dropped into methanol and recovered as an insoluble part, followed by vacuum drying to obtain 6.30 g of derivative M.
- most of the derivative M (about 62%) was a gel insoluble in THF.
- the THF soluble part of the derivative M was analyzed by 1 H NMR, it was confirmed that the introduction ratios of 3,5-dimethylphenol isocyanate and alkoxysilyl groups were 99.3% and 0.7%, respectively. That is, in this method, the alkoxysilyl group could hardly be introduced (svector 13; see FIG. 15). This result is consistent with the result of Non-Patent Document 1.
- it was extremely difficult to completely separate the THF soluble part and the THF insoluble part and it was impossible to isolate a pure derivative.
- the polysaccharide derivative contained 3-triethoxysilylpropyl. It is considered that almost no groups have been introduced.
- the cellulose used as a raw material is dissolved. The fact that the process was not included is also considered to be a factor that almost no 3-triethoxysilylpropyl group was introduced into the cellulose derivative.
- Silica M-1 0.65 g was dispersed in ethanol Z water Z chlorotrimethylsilane (6 ml / 1.5 ml I 0.1 ml) and reacted for 10 minutes while boiling in an oil bath at 110 ° C. And the remaining silanol groups present on the silica gel and the unreacted ethoxysilyl groups present in the derivatives were protected with trimethylsilyl groups. The obtained fixed gel was washed with methanol and vacuum dried to obtain a silica gel on which the derivative M was immobilized.
- the obtained silica M-2 and silica M-3 were each subjected to particle size separation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained columns were designated as column-11 and column-12, respectively.
- Hexane Z2-propanol 90/10 was used as the eluent, the flow rate was 0.1 ml / min, and peaks were detected and identified using a UV detector and an optical rotation detector.
- the number of theoretical plates N is from the peak of benzene, and the time t during which the eluent passes through the column is 1,3,5-tri-tert-
- Table 5 shows the optical resolution results for column 11 and column 12. The values in the table are the volume ratio kl 'and the separation factor ⁇ , and the sign in this is the optical rotation of the enantiomer that was previously eluted. Since the fixation rate of the polysaccharide derivative was small, the racemate was hardly retained.
- silica J-3 500 mg of the above derivative J was dissolved in 12 ml of tetrahydrofuran and supported on 2.00 g of untreated silica gel to obtain silica J3.
- 700 mg of dried silica J 3 was charged with 10 ml of dehydrated toluene and 4 ml of dehydrated pyridine, and the mixture was reacted for 8 hours at 95 ° C. in a nitrogen atmosphere to fix the derivative J.
- the obtained fixed product was washed with methanol and vacuum dried to obtain 565 mg of silica gel on which derivative J was immobilized, and this was washed with tetrahydrofuran to give silica J-4. From the results of thermogravimetric analysis of silica J-3 and silica J-4, it was found that only 6% of the supported derivative could be immobilized.
- Example 9 where the immobilization was performed under acidic conditions, 99% of the derivative J can be immobilized. Therefore, the immobilization method using pyridine was performed under the acidic conditions shown in this application.
- the immobilization rate of the derivative is significantly inferior compared to the method of immobilization below, and it is not suitable for immobilization of the derivative! /,It has been found.
- silica gel-fixed cage filler 400 mg of the resulting derivative N was dissolved in 8 ml of tetrahydrofuran and supported on 1.60 g of untreated silica gel to obtain silica N-1.
- silica N-2 The silica gel after washing with tetrahydrofuran was designated as silica N-2.
- the obtained silica N-2 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column-13.
- Table 6 shows the results of optical resolution of column 13. The values in the table are the volume ratio kl 'and the separation factor ⁇ , and the symbol in parentheses is the optical rotation of the enantiomer that was previously eluted.
- silica 0 400 mg of the resulting derivative was dissolved in 8 ml of tetrahydrofuran and supported on 1.60 g of untreated silica gel to obtain silica 0-1.
- 0.61 g of dried silica 0-1 is dispersed in ethanol / water / trimethylchlorosilane (6 ml / 1.5 ml I 0.1 ml), reacted for 10 minutes while boiling in an oil bath at 110 ° C, and onto silica gel
- the derivative 0 was fixed simultaneously with the remaining silanol group present on the silica gel and the unreacted ethoxysilyl group present on the derivative with the trimethylsilyl group.
- the obtained fixed product was washed with methanol and vacuum dried to obtain silica gel on which derivative 0 was immobilized.
- silica gel was washed with tetrahydrofuran, 5% of the supported cellulose derivative was eluted, and it was confirmed that the immobilization ratio was 95% (confirmed by thermogravimetric analysis).
- the silica gel after washing with tetrahydrofuran was designated as silica 0-2.
- the obtained silica 0-2 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the resulting column was designated as column-14.
- silica P-1 350 mg of the obtained derivative P was dissolved in 8 ml of tetrahydrofuran and supported on 1.40 g of untreated silica gel to obtain silica P-1.
- the obtained fixed product was washed with methanol and vacuum dried to obtain silica gel on which the derivative P was immobilized.
- silica gel was washed with tetrahydrofuran, 1% of the supported amylose derivative was eluted, and it was confirmed that the fixation ratio was 99% (confirmed by thermogravimetric analysis).
- the silica gel after washing with tetrahydrofuran was designated as silica P-2.
- the obtained silica P-2 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column-15.
- Table 7 shows the results of optical resolution of column 15. The values in the table are the volume ratio kl 'and the separation factor ⁇ . It is the optical rotation of Zomer.
- silica Q-2 The silica gel after washing with tetrahydrofuran was designated as silica Q-2.
- the obtained silica Q-2 was subjected to particle size fractionation, and packed in a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the obtained column was designated as column-16.
- silica R-1 300 mg of the resulting derivative R was dissolved in 3 ml of black mouth form and supported on 1.20 g of untreated silica gel to obtain silica R-1.
- silica R-2 The silica gel after washing with black mouth form was designated as silica R-2.
- the obtained silica R-2 was subjected to particle size fractionation, and then packed into a stainless steel column having a length of 25 cm and an inner diameter of 0.2 cm by a slurry method.
- the resulting column was designated as column-17.
- Table 8 shows the results of optical resolution of column 17. The values in the table are the volume ratio kl 'and the separation factor ⁇ , and the sign in parentheses is the optical rotation of the enantiomer that was eluted earlier.
- the present invention it is possible to provide a filler for separating optical isomers, which is excellent in solvent resistance, large-scale preparative performance of optical isomers and mechanical strength.
- a filler for separating optical isomers which has a high immobilization rate of a polymer compound such as a polysaccharide derivative on a carrier surface and excellent in optical resolution.
- the present invention can provide a method for efficiently carrying out the production of the filler by reducing the number of steps when chemically bonding a polymer compound such as a polysaccharide derivative to the surface of the carrier.
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Abstract
Description
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| CN2007800253408A CN101484801B (zh) | 2006-05-09 | 2007-05-02 | 用于旋光异构体分离的填料 |
| EP07742806.8A EP2028487B1 (en) | 2006-05-09 | 2007-05-02 | Filler for optical isomer separation |
| US12/227,150 US8124712B2 (en) | 2006-05-09 | 2007-05-02 | Filler for optical isomer separation |
| JP2008514474A JP5531287B2 (ja) | 2006-05-09 | 2007-05-02 | 光学異性体分離用充填剤 |
| US13/351,462 US20120165516A1 (en) | 2006-05-09 | 2012-01-17 | Filler for optical isomer separation |
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| US13/351,462 Division US20120165516A1 (en) | 2006-05-09 | 2012-01-17 | Filler for optical isomer separation |
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| JP (1) | JP5531287B2 (ja) |
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Cited By (6)
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| WO2012005245A1 (ja) * | 2010-07-09 | 2012-01-12 | 株式会社ダイセル | 多糖誘導体及びその製造方法並びに分離剤 |
| JP5294169B2 (ja) * | 2006-09-04 | 2013-09-18 | 株式会社ダイセル | 多糖誘導体及びそれを含有する光学異性体用分離剤 |
| JP5540368B2 (ja) * | 2006-05-09 | 2014-07-02 | 国立大学法人名古屋大学 | 光学異性体分離用充填剤 |
| JP2018054608A (ja) * | 2016-09-23 | 2018-04-05 | 株式会社ダイセル | 光学異性体用分離剤 |
| JP2020164642A (ja) * | 2019-03-29 | 2020-10-08 | 日本製紙株式会社 | カルボキシル基含有変性セルロース繊維、その乾燥固形物及びその製造方法 |
| CN117659075A (zh) * | 2023-12-18 | 2024-03-08 | 中国科学院兰州化学物理研究所 | 一种咪唑衍生型柱[5]芳烃手性填料的制备及应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2113769A4 (en) * | 2007-02-23 | 2013-06-26 | Daicel Chem | FILLER FOR THE SEPARATION OF OPTICAL ISOMERS |
| EP2682408A1 (en) * | 2012-07-05 | 2014-01-08 | Huntsman International Llc | Derivatized Polysaccharide |
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2007
- 2007-05-02 JP JP2008514474A patent/JP5531287B2/ja active Active
- 2007-05-02 CN CN2007800253408A patent/CN101484801B/zh active Active
- 2007-05-02 EP EP07742806.8A patent/EP2028487B1/en active Active
- 2007-05-02 US US12/227,150 patent/US8124712B2/en active Active
- 2007-05-02 KR KR1020087030063A patent/KR20090029202A/ko not_active Withdrawn
- 2007-05-02 WO PCT/JP2007/059371 patent/WO2007129658A1/ja not_active Ceased
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2012
- 2012-01-17 US US13/351,462 patent/US20120165516A1/en not_active Abandoned
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5540368B2 (ja) * | 2006-05-09 | 2014-07-02 | 国立大学法人名古屋大学 | 光学異性体分離用充填剤 |
| JP5294169B2 (ja) * | 2006-09-04 | 2013-09-18 | 株式会社ダイセル | 多糖誘導体及びそれを含有する光学異性体用分離剤 |
| US9499638B2 (en) | 2006-09-04 | 2016-11-22 | Daicel Corporation | Polysaccharide derivative and separating agent for optical isomer containing the same |
| WO2012005245A1 (ja) * | 2010-07-09 | 2012-01-12 | 株式会社ダイセル | 多糖誘導体及びその製造方法並びに分離剤 |
| JP5896903B2 (ja) * | 2010-07-09 | 2016-03-30 | 株式会社ダイセル | 多糖誘導体及びその製造方法並びに分離剤 |
| US9458186B2 (en) | 2010-07-09 | 2016-10-04 | Daicel Corporation | Polysaccharide derivative, method for producing the same, and separating agent |
| JP2018054608A (ja) * | 2016-09-23 | 2018-04-05 | 株式会社ダイセル | 光学異性体用分離剤 |
| US12403447B2 (en) | 2016-09-23 | 2025-09-02 | Daicel Corporation | Separating agent for optical isomers |
| JP2020164642A (ja) * | 2019-03-29 | 2020-10-08 | 日本製紙株式会社 | カルボキシル基含有変性セルロース繊維、その乾燥固形物及びその製造方法 |
| JP7336783B2 (ja) | 2019-03-29 | 2023-09-01 | 日本製紙株式会社 | カルボキシル基含有変性セルロース繊維、その乾燥固形物及びその製造方法 |
| CN117659075A (zh) * | 2023-12-18 | 2024-03-08 | 中国科学院兰州化学物理研究所 | 一种咪唑衍生型柱[5]芳烃手性填料的制备及应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5531287B2 (ja) | 2014-06-25 |
| EP2028487B1 (en) | 2014-01-01 |
| JPWO2007129658A1 (ja) | 2009-09-17 |
| US20090105440A1 (en) | 2009-04-23 |
| CN101484801B (zh) | 2013-05-29 |
| US20120165516A1 (en) | 2012-06-28 |
| US8124712B2 (en) | 2012-02-28 |
| EP2028487A4 (en) | 2009-12-23 |
| KR20090029202A (ko) | 2009-03-20 |
| CN101484801A (zh) | 2009-07-15 |
| EP2028487A1 (en) | 2009-02-25 |
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