WO2001040168A1 - Acetalsulfonate derivative, process for producing the same, and process for producing styrene oxide derivative - Google Patents
Acetalsulfonate derivative, process for producing the same, and process for producing styrene oxide derivative Download PDFInfo
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- WO2001040168A1 WO2001040168A1 PCT/JP2000/008374 JP0008374W WO0140168A1 WO 2001040168 A1 WO2001040168 A1 WO 2001040168A1 JP 0008374 W JP0008374 W JP 0008374W WO 0140168 A1 WO0140168 A1 WO 0140168A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/72—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/73—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/26—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids
- C07C303/28—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids by reaction of hydroxy compounds with sulfonic acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/26—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids
- C07C303/30—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids by reactions not involving the formation of esterified sulfo groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/64—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms
- C07C309/65—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a saturated carbon skeleton
- C07C309/66—Methanesulfonates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/10—Oxygen atoms
- C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
Definitions
- the present invention relates to an acetal sulfonate derivative, a method for producing the same, and a method for producing a styrene oxide derivative from an acetal sulfonate derivative or a mandelic acid derivative as a starting material.
- the starting materials, intermediates, and final products of the present invention may be optically active forms.
- the compound obtained by the present invention is a compound useful as a raw material for pharmaceuticals, agricultural chemicals, and the like, and also provides a styrene oxide derivative and an ethanolanol derivative useful as a raw material for pharmaceuticals, agricultural chemicals, and the like in high yield. .
- the acetal sulfonate derivative of the present invention can be easily converted to the corresponding styrene oxide derivative by epoxidation.
- the obtained styrene oxide derivative can be reacted with various amines to obtain a corresponding ethanolamine derivative.
- a method for producing a styrene oxide derivative a method of epoxidizing a 2-hydroxy-2-phenylethyl sulfonate derivative or a 2-hydroxy-12-phenylethyl halide derivative with a base is generally used. It is well known (J. Org. Chem. 21, 597 (1956)).
- 2-hydroxy-2-phenylethyl sulfonate derivative or 2-hydroxy-2-phenylethyl halide derivative which is the raw material of this method, is It is difficult to obtain it in high purity, and it is a regioisomer, 2-hydroxy-1 1-phenyl-2-olethyl sulfonate derivative or 2-hydroxy-1 1-phenylethyl halide derivative, disulfonate derivative or dihalide.
- the epoxidation reaction was carried out with the derivative mixed in (Synthesis, 1985, 983) (US Patent 4,391,826). According to this method, when a disulfonate derivative or a dihalide derivative is mixed, purification of the product becomes difficult, which may cause a decrease in yield.
- regioisomers are mixed, there is no problem in the case of producing a racemate, but in the case of producing an optically active form, there is a high possibility that the optical purity is reduced.
- Acetal sulfonate derivatives and styrene oxide derivatives are useful as intermediates for pharmaceuticals and agrochemicals, but their production methods have the problems as described above, and are safe, simple, good in yield and economical. Development of an industrial manufacturing method has been desired.
- the present inventors have found that an inexpensive mandelic acid derivative can be used as a starting material to produce an acetal sulfonate derivative with high purity and high yield.
- the present inventors have found that a styrene oxide derivative can be produced with high purity and high yield using a cetal sulfonate derivative or a mandelic acid derivative as a starting material, and arrived at the present invention.
- an acetal sulfonate derivative is represented by the following general formula (1):
- R i and R 2 may be the same or different, and include a hydrogen atom, a halogen atom, a hydroxyl group, a linear or branched alkyl group having 1 to 4 carbon atoms which may be substituted with halogen, halogen substituted even though from a good 1 -C 4 linear or branched alkoxy group, an optionally substituted amino group, a nitro group, a Torifuruoromechi group, or R i, the R 2 gar cord Represents a lower alkylenedioxy group, R 3 represents a 3,4,5,6-tetrahydro 2 H-pyran-12-yl group or 11-methoxy-1-methylethyl group, and R 4 represents a carbon atom. Linear from number 1 to 4 or It represents a branched alkyl group or an optionally substituted furyl group. )
- a second invention of the present invention provides a method for producing an acetal sulfonate derivative represented by the general formula (1),
- R 1 R 2 has the same meaning as described above.
- R 2 has the same meaning as described above, and R 5 represents a linear or branched alkyl group having 14 carbon atoms.
- R 2 R 3 R 5 has the same meaning as described above.
- R 2 R 3 has the same meaning as described above.
- a method for producing a styrene oxide derivative represented by the above general formula (6) comprising an epoxidation step of epoxidizing a sulfonate derivative represented by the following formula with a base catalyst.
- a fourth invention of the present invention is a method for consistently producing a styrene oxide derivative represented by the general formula (6) from a mandelic acid derivative,
- a method for producing a styrene oxide derivative represented by the following general formula (6) comprising an epoxidation step of epoxidizing a sulfonate derivative represented by the following formula with a base catalyst.
- the acetal sulfonate derivative of the present invention is represented by the above general formula (1), wherein R i and R 2 may be the same or different, and are substituted with a hydrogen atom, a halogen atom, a hydroxyl group, or a halogen.
- R i and R 2 may be the same or different, and are substituted with a hydrogen atom, a halogen atom, a hydroxyl group, or a halogen.
- a straight-chain or branched alkyl group having 1 to 4 carbon atoms, a straight-chain or branched alkoxy group having 1 to 4 carbon atoms which may be halogen-substituted, an amino group optionally substituted , A nitro group or a trifluoromethyl group, or R i and R 2 together represent a lower alkylenedioxy group.
- linear or branched alkyl group having 1 to 4 carbon atoms which may be halogen-substituted include methyl group, ethyl group, n-propyl group, isopropyl group, n-butynole group, isobutyl group, sec— Examples thereof include a butyl group, a tert-butyl group, a trifluoromethyl group, and a trichloromethyl group.
- optionally substituted straight-chain or branched alkoxy group having 1 to 4 carbon atoms include methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy and sec-butoxy.
- a tert-butoxy group, a trifluoromethoxy group and the like examples include an amino group, a methylamino group, a dimethylamino group, a methylethylamino group, a morpholino group, a piperidino group, a pyrrolyl group, an imidazolyl group, and a triazolyl group.
- Halogen atoms include fluorine, chlorine, bromine or iodine atoms.
- scale 1 Oyobi! 3 ⁇ 4 2 gar cord Examples of the lower alkylenedioxy group formed by the above include a methylenedioxy group and an ethylenedioxy group.
- R 3 represents a 3,4,5,6-tetrahydro-12H-pyran-12-yl group or a 1-methoxy-11-methylethyl group
- R 4 represents a carbon atom. It represents a linear or branched alkyl group having a prime number of 1 to 4, or a phenyl group which may be substituted. Examples of the linear or branched alkyl group having 1 to 4 carbon atoms include a methyl group and the like, and examples of the optionally substituted fuunyl group include a p-tolyl group.
- acetal sulfonate derivative of the present invention examples include 2-phenyl 2- (3,4,5,6-tetrahydro [2H] -pyran-1-yloxy) ethyl methanesulfonate and 2- (2 —Chlorophenyl) 1 2— (1-Methoxy-1-methylethyloxy) ethyl methanesulfonate, 2- (3-Chlorophenyl) 1-2— (3,4,5,6—Tetrahi Doro [2H] —Pyran-1 2-yloxy) Etinole methanesnolephonate, 2- (4-chlorophene) 1-2— (3, 4, 5, 6-tetrahydro [2H] — Pyran-1 2-yloxy) ethyl methanesulfonate, 2- (2-methylphenyl) 1-2- (1-Methoxy-1-methylethyloxy) ethyl methanesulfonate, 2- (3-methylphenyl)
- the mandelic acid derivative used as a raw material in the present invention is represented by the general formula (2).
- R 2 have the same definitions as those in the general formula (1).
- Specific examples of the mandelic acid derivative as defined above include mandelic acid, 2-chloromandenoleic acid, 3-chloromandenoleic acid, 4-chloromandesoleic acid, 2-methylmandelic acid, 3-methylmandelic acid, 4-methylmandelic acid, 2-hydroxymandelic acid, 3—hydroxymandelic acid, 4—hydroxymandelic acid, 2-methoxymandelic acid, 3-methoxymandelic acid, 4—methoxymandelic acid, 2— Trifluoromethyl mandelic acid, 3-trifluoromethyl mandelic acid, 4-triaminomethyl mandelic acid, 2-aminoaminodelic acid, 3-aminoaminodelic acid, 4-aminomandelic acid, 2-nitromandelic acid, 3- Ditromandelic acid, 4-nitromandelic acid, 2,4
- the mandelic acid derivative defined above can be easily converted to the corresponding mandelic ester derivative represented by the general formula (3) by esterification in the first step.
- it can be easily produced in an alcohol such as methanol, ethanol, propanol, isopropanol, n-butanol, isobutanol, sec-butanol and tert-butanol in the presence of an acid catalyst.
- Mandelic ester derivative represented by general formula (3) obtained in the first step Examples of R 5 in the above include a methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl group and the like.
- an excess of alcohol at the time of esterification can be used as a solvent, but an organic solvent other than alcohol can also be used.
- organic solvents include aromatic hydrocarbons such as toluene and xylene, halogenated hydrocarbons such as methylene chloride and chloroform, dimethyl ether, diisopropyl ether, tetrahydrofuran, 1,4-dioxane, and t-butyl methyl ether.
- examples thereof include ethers, ester solvents such as ethyl acetate and methyl acetate, and nitrile solvents such as acetonitrile. These organic solvents can be used alone or as a mixture.
- the acid catalyst that can be used in the first step, sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, p-toluenesulfonic acid, methanesulfonic acid and the like can be used.
- the reaction temperature of the first step can be performed in the range of 0 to 100 ° C, preferably 20 to 80 ° C.
- the reaction time varies depending on the acid used and the reaction temperature, but is usually applied within 12 hours, in the range of 0.5 to 6 hours.
- the mandelic acid ester derivative of the general formula (3) obtained in the first step is easily reacted with, for example, an acetalizing agent under acidic conditions using an acid catalyst.
- An acetal derivative represented by the general formula (4): R 3 and R 5 in the general formula (4) have the same meaning as described above.
- acetalizing agent for example, 1-methoxy 1-methylethyl, 3,4-dihydro 2 H-pyran can be used.
- Acetic acid, trifluoroacetic acid, p-toluenesulfonic acid, methanesulfonic acid, and the like can be used as the acid catalyst that can be used in the second step.
- an organic solvent inert to the reaction can be used alone or in a mixture.
- aromatic hydrocarbons such as toluene and xylene, methylene chloride, and chloroform Halogenated hydrocarbons such as, ethers such as ethyl ether, diisopropyl ether, tetrahydrofuran, 1,4-dioxane, and t-butyl methyl ether; ester solvents such as ethyl acetate and methyl acetate; nitrile solvents such as acetonitrile And so on.
- the reaction temperature in the second step can be carried out within a range of from ⁇ to 100 ° C., preferably from 10 to 40 ° C.
- the reaction time varies depending on the acid used and the reaction temperature, but is usually applied within 12 hours, in the range of 0.5 to 6 hours.
- sodium borohydride, lithium aluminum hydride, sodium dihydrobis (2-methoxyethoxy) aluminum can be used, and preferably dihydrobis (2-medium). Toxiethoxy) It is sodium aluminum.
- an organic solvent inert to the reaction can be used alone or as a mixture.
- aromatic hydrocarbons such as toluene and xylene, methylene chloride, and chloroform Halogenated hydrocarbons, such as ethylenoleether, diisopropylether, tetrahydrofuran, 1,4-dioxane, ethers such as t-butynolemethinoleate ethere, ester solvents such as ethyl acetate and methinolacetate, and diesters such as acetonitrile Tolyl solvents and the like.
- the reaction temperature in the third step can be carried out in the range of 120 to 100 ° C, preferably 0 to 40 ° C.
- the reaction time is usually applied within 12 hours, in the range of 0.5 to 6 hours.
- an acetal represented by the corresponding general formula (1) can be easily obtained. It can be a sulfonate derivative.
- sulfonic acid chloride derivative used in the fourth step p-toluenesulfonyl chloride, methanesulfonyl chloride and the like can be used.
- a base can be used.
- the base include trialkylamines such as trimethylamine and triethylamine; cyclic tertiary amines such as N-methylmorpholine and N-methylpiperidine; Examples include dimethylaniline, pyridine, sodium hydroxide, and hydroxylated water.
- reaction solvent that can be used in the fourth step
- an organic solvent inert to the reaction is used. It can be used alone or as a mixture.
- aromatic hydrocarbons such as toluene and xylene, halogenated hydrocarbons such as methylene chloride and chloroform, methyl ether, diisopropyl ether, tetrahydrofuran, 1,4-dioxa And ether solvents such as t-butyl methyl ether, ester solvents such as ethyl acetate and methyl acetate, nitrile solvents such as acetonitrile, and water.
- the reaction temperature in the fourth step can be carried out in the range of 120 to 100 ° C, preferably 0 to 40 ° C.
- the reaction time is usually applied within 12 hours, in the range of 0.5 to 6 hours.
- the desired acetal sulfonate derivative can be easily purified after completion of the reaction using a column or the like, if necessary.
- the obtained acetal sulfonate derivatives had the corresponding steric configurations and were found to be sterically retained.
- the optical purity of the obtained optically active acetal sulfonate derivative was measured by high performance liquid chromatography using an optical resolution column.
- acetal sulfonate derivative used as a starting material in the method for producing a styrene oxide derivative according to the third invention of the present invention include the acetal sulfonate derivative of the first invention and the method of the second invention.
- the obtained acetal sulfonate derivative can be used.
- step (e) in the third invention of the present invention the acetal sulfonate derivative represented by the general formula (1) as a starting material is deacetalized, and the sulfonate derivative represented by the general formula (7) is obtained.
- the acetate sulfonate derivative can be easily deprotected, for example, by treating it with an acid.
- the acid examples include inorganic acids such as hydrochloric acid, sulfuric acid, and phosphoric acid, and organic acids such as formic acid, acetic acid, methanesulfonic acid, and p-toluenesulfonic acid.
- inorganic acids such as hydrochloric acid, sulfuric acid, and phosphoric acid
- organic acids such as formic acid, acetic acid, methanesulfonic acid, and p-toluenesulfonic acid.
- Reaction solvents that can be used in step (e) include water, methanol, and ethanol.
- Protonic solvents such as alcohol and isopropanol can be used alone or as a mixture with an aprotic solvent.
- aprotic solvents include aromatic hydrocarbons such as toluene and xylene, aliphatic hydrocarbons such as hexane, heptane, and cyclohexane; halogenated hydrocarbons such as dimethylene chloride and chloroform; methyl acetate; and vinegar.
- Esters such as ethyl ether; dioxane, tetrahydrofuran, diisopropyl ether, ethers such as t-butyl methyl ether, and acetonitrile.
- the reaction temperature in step (e) can be from 0 to 100 ° C, preferably from 20 to 80 ° C.
- the reaction time varies depending on the acid, solvent and reaction temperature used, but is usually within 12 hours, and is applied in the range of 0.5 to 6 hours.
- the epoxidation step (f) in the third invention of the present invention is a step of epoxidizing the sulfonate derivative represented by the general formula (7) obtained in the step (e) in the presence of a base catalyst.
- the base catalyst examples include alkali metal alcohols such as sodium methoxide and sodium methoxide, alkali metal salts such as sodium hydroxide and hydroxylated lime, and alkali carbonates such as sodium carbonate and potassium carbonate. And the like.
- a reaction solvent that can be used in step (f) a protic solvent such as water, methanol, ethanol, or isopropanol can be used alone or as a mixture, or can be used as a mixture with a non-protonic solvent. When a mixture of water and an organic solvent immiscible with water is used, the reaction can be performed in a two-layer system.
- organic solvents that are immiscible with water include aromatic hydrocarbons such as toluene and xylene, halogenated hydrocarbons such as dimethylene chloride and chloroform, ethers such as diisopropyl ether and t-butyl methyl ether, ethyl acetate, and methyl acetate.
- organic solvents that are miscible with water such as alcohols such as methanol, ethanol, and isopropanol; ethers such as dioxane, tetrahydrofuran, and dimethoxetane; and N, N-dimethyl honoleamide.
- amides such as N, N-dimethylacetoamide, and acetonitrile.
- the reaction temperature in the step (f) can be carried out within a range of 0 to 1 ° C., preferably 10 to 40 ° C.
- the reaction time varies depending on the base used and the reaction temperature. Apply within 12 hours, 0.5-6 hours.
- styrene oxide derivative represented by the general formula (6) obtained from the acetal sulfonate derivative represented by the general formula (1) in the two steps (e) and (f) above Examples include styrene oxide, 3-chlorostyrene oxide, 4-chlorostyrene oxide, 3,4-dichlorostyrene oxide, 4-methylstyrene oxide, and 3,4-methylenedioxystyrene oxide. And 4-trifluoromethylstyrene oxide, 2-chlorostyrene oxide and the like.
- the above-mentioned styrene oxide derivatives may be optically active substances.
- a method for producing a styrene oxide derivative wherein the styrene oxide derivative represented by the general formula (6) is consistently produced from the mandelic acid derivative represented by the general formula (2).
- the mandelic acid derivative used is the same as that represented by the general formula (2) in the second invention, and the first step of esterifying the mandelic acid derivative is the first step in the second invention.
- the mandelic acid ester derivative obtained in the first step is the same as that represented by the general formula (3) in the second invention, and the mandelic acid ester derivative is protected by acetal.
- the second step is the same as the second step in the second invention, and the acetal derivative obtained in the second step is the same as that represented by the general formula (4) in the second invention.
- the third step of reducing the tar derivative is the same as the third step in the second invention, and the ethanediol derivative obtained in the third step is represented by the general formula (5) in the second invention.
- the fourth step of reacting the ethanediol derivative with the sulfonic acid derivative is the same as that of the second invention.
- the acetal sulfonate derivative obtained in the fourth step is the same as that in the fourth step in the acetal sulfonate derivative represented by the general formula (1) of the first invention and the acetal sulfonate derivative obtained by the method of the second invention. It is the same as the obtained acetal sulfonate derivative, and the deprotection step (step (e)) for deprotecting the acetal sulfonate derivative is the same as the step (e) in the third invention, and the step (e)
- the sulfonate derivative obtained by the above is the same as that represented by the general formula (7) in the third invention, and an epoxidation step of epoxidizing the sulfonate derivative with a base catalyst.
- Step (f)) is the same as step (f) in the third invention.
- the obtained organic layer was washed with water, further washed with a saturated saline solution, and dried with anhydrous magnesium sulfate. After filtering off the desiccant, the solvent was distilled off to obtain the title compound as a colorless oil (6.2 g, 98.1%).
- Example 2 Same as Example 1 except that (R, S) -1-chloromandelic acid was used as a raw material. An experiment was carried out in the same manner to obtain the title compound in a yield of 97.5%.
- the overall yield from 1) to 4) was 87.4%.
- Example 10 The same procedure as in Example 10 was carried out except that the reaction solvent was changed to ethyl acetate, to obtain the title compound as a colorless oil (1.24 g, 89.5%).
- the optical purity of this product determined by HPLC was 99.9% e.e.
- the reaction solvent was t-butyl methyl ether, and the starting material was (R, S) 1-2- (3-chlorophenyl) 1-2- (3,4,5,6-tetrahydro [2H] -pyran-12-yloxy )
- the same procedure as in Example 9 was carried out, except that ethyl methanesulfonate was used, to give the title compound (1.25 g, 90.2%) as a colorless oil.
- the present invention relates to an acetal sulfonate derivative useful as a raw material for pharmaceuticals, agricultural chemicals, and the like.
- an acetal sulfonate derivative can be obtained with high yield and high purity.
- a target styrene oxide derivative can be obtained in high yield and high purity using an acetal sulfonate derivative or a mandelic acid derivative as a starting material, and an acetal sulfonate derivative as a starting material can be obtained.
- the mandelic acid derivative is an optically active substance, the corresponding styrene oxide derivative can be obtained while maintaining its steric structure.
- the method of the present invention is suitable as a safe, simple and economical industrial production method.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
- Pyrane Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00977983A EP1236714B1 (en) | 1999-11-29 | 2000-11-28 | Acetalsulfonate derivative, process for producing the same, and process for producing styrene oxide derivative |
| US10/130,284 US6642395B1 (en) | 1999-11-29 | 2000-11-28 | Acetalsulfonate derivative, process for producing the same, and process for producing styrene oxide derivative |
| JP2001541855A JP3960801B2 (ja) | 1999-11-29 | 2000-11-28 | アセタールスルホネート誘導体およびその製造方法ならびにスチレンオキサイド誘導体の製造方法 |
| DE60033050T DE60033050T2 (de) | 1999-11-29 | 2000-11-28 | Acetalsulfonat-derivate, verfahren zu ihrer herstellung und verfahren zur herstellung eines styroloxid-derivats |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11/338048 | 1999-11-29 | ||
| JP33804899 | 1999-11-29 | ||
| JP33804799 | 1999-11-29 | ||
| JP11/338047 | 1999-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001040168A1 true WO2001040168A1 (en) | 2001-06-07 |
Family
ID=26575994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2000/008374 Ceased WO2001040168A1 (en) | 1999-11-29 | 2000-11-28 | Acetalsulfonate derivative, process for producing the same, and process for producing styrene oxide derivative |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6642395B1 (ja) |
| EP (1) | EP1236714B1 (ja) |
| JP (1) | JP3960801B2 (ja) |
| DE (1) | DE60033050T2 (ja) |
| WO (1) | WO2001040168A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003053916A1 (en) * | 2001-12-21 | 2003-07-03 | Ortho-Mcneil Pharmaceutical, Inc. | Process for preparing 2-(substituted phenyl) - 2 - hydroxy-ethyl carbamates |
| EA007741B1 (ru) * | 2001-12-21 | 2006-12-29 | Орто-Макнейл Фармасьютикал, Инк. | Способ получения 2-(замещенный фенил)-2-гидроксиэтилкарбаматов |
| JP2015506934A (ja) * | 2011-12-27 | 2015-03-05 | バイオ−ファーム ソリューションズ カンパニー リミテッド | フェニルアルキルカルバメート誘導体化合物およびこれを含む薬学組成物 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005037811A1 (de) * | 2003-10-08 | 2005-04-28 | Dsm Fine Chemicals Austria Nfg Gmbh & Co. Kg | Verfahren zur herstellung chiraler substituierter epoxide |
| SE0303220D0 (sv) | 2003-11-28 | 2003-11-28 | Astrazeneca Ab | New process |
| WO2021143617A1 (zh) * | 2020-01-16 | 2021-07-22 | 郑州手性药物研究院有限公司 | 环己二烯肟醚类化合物及其合成方法和应用 |
| CN111285765A (zh) * | 2020-03-12 | 2020-06-16 | 南京绿道生命科学有限公司 | N-(s)-(1-苯乙基)-(s)-扁桃酰胺及合成方法、中间物、药物 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391826A (en) | 1978-07-03 | 1983-07-05 | Eli Lilly And Company | Phenethanolamines, compositions containing the same, and method for effecting weight control |
| WO1997005091A1 (en) * | 1995-07-26 | 1997-02-13 | Ono Pharmaceutical Co., Ltd. | Naphthyloxyacetic acid derivatives and drugs comprising the same as active ingredients |
-
2000
- 2000-11-28 WO PCT/JP2000/008374 patent/WO2001040168A1/ja not_active Ceased
- 2000-11-28 DE DE60033050T patent/DE60033050T2/de not_active Expired - Lifetime
- 2000-11-28 JP JP2001541855A patent/JP3960801B2/ja not_active Expired - Fee Related
- 2000-11-28 US US10/130,284 patent/US6642395B1/en not_active Expired - Fee Related
- 2000-11-28 EP EP00977983A patent/EP1236714B1/en not_active Expired - Lifetime
Non-Patent Citations (5)
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003053916A1 (en) * | 2001-12-21 | 2003-07-03 | Ortho-Mcneil Pharmaceutical, Inc. | Process for preparing 2-(substituted phenyl) - 2 - hydroxy-ethyl carbamates |
| JP2005513126A (ja) * | 2001-12-21 | 2005-05-12 | オーソ−マクニール・フアーマシユーチカル・インコーポレーテツド | カルバミン酸2−(置換フェニル)−2−ヒドロキシ−エチルの製造方法 |
| EA007741B1 (ru) * | 2001-12-21 | 2006-12-29 | Орто-Макнейл Фармасьютикал, Инк. | Способ получения 2-(замещенный фенил)-2-гидроксиэтилкарбаматов |
| CN100457723C (zh) * | 2001-12-21 | 2009-02-04 | 奥索-麦克尼尔药品公司 | 制备氨基甲酸2-(取代苯基)-2-羟基-乙酯的方法 |
| AU2002358806B2 (en) * | 2001-12-21 | 2009-09-10 | Sk Biopharmaceuticals Co., Ltd. | Process for preparing 2-(substituted phenyl)-2-hydroxy-ethyl carbamates |
| KR100945720B1 (ko) * | 2001-12-21 | 2010-03-05 | 오르토-맥네일 파마슈티칼, 인코퍼레이티드 | 2-(치환된 페닐)-2-하이드록시-에틸 카바메이트의 제조방법 |
| EP2248799A1 (en) * | 2001-12-21 | 2010-11-10 | Ortho-McNeil Pharmaceutical, Inc. | Process for preparing 2-(substituted phenyl)-2-hydroxy-ethyl carbamates |
| JP2015506934A (ja) * | 2011-12-27 | 2015-03-05 | バイオ−ファーム ソリューションズ カンパニー リミテッド | フェニルアルキルカルバメート誘導体化合物およびこれを含む薬学組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60033050D1 (de) | 2007-03-08 |
| JP3960801B2 (ja) | 2007-08-15 |
| EP1236714B1 (en) | 2007-01-17 |
| US6642395B1 (en) | 2003-11-04 |
| EP1236714A1 (en) | 2002-09-04 |
| DE60033050T2 (de) | 2007-11-15 |
| EP1236714A4 (en) | 2004-08-11 |
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