WO1999063104A1 - Verfahren zur stereoselektiven herstellung von substituierten cyclohexylcyanhydrinen - Google Patents
Verfahren zur stereoselektiven herstellung von substituierten cyclohexylcyanhydrinen Download PDFInfo
- Publication number
- WO1999063104A1 WO1999063104A1 PCT/EP1999/003464 EP9903464W WO9963104A1 WO 1999063104 A1 WO1999063104 A1 WO 1999063104A1 EP 9903464 W EP9903464 W EP 9903464W WO 9963104 A1 WO9963104 A1 WO 9963104A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oxynitrilase
- formula
- substituted
- enzyme
- cyclohexylcyanhydrins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/002—Nitriles (-CN)
- C12P13/004—Cyanohydrins
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/45—Carboxylic acid nitriles having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C255/46—Carboxylic acid nitriles having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings to carbon atoms of non-condensed rings
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P41/00—Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture
- C12P41/002—Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by oxidation/reduction reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Definitions
- the present invention relates to a new process for the stereoselective production of substituted cyclohexylcyanhydrins.
- cyanohydrins can be prepared by reacting ketones with hydrocyanic acid (see e.g. Beyer, Walter, Textbook of Organic Chemistry, 21st edition, S. Hirzel Verlag Stuttgart 1988, page 213). On substituted cyclic
- the object of the present invention was to provide a process for more stereoselective
- the present invention relates to a process for the stereoselective preparation of cyclohexylcyanhydrins of the formula (I)
- R represents in each case optionally substituted alkyl, cycloalkyl (in which a methylene group is optionally replaced by oxygen), alkoxy, alkenyloxy, cycloalkyloxy, arylalkyloxy, aryloxy or aryl,
- the serpentine line in formula (I) means that the compounds of the
- Formula (I) is a mixture of ice and trans isomers of the following structure:
- the process of the invention also surprisingly provides an excess of the desired isomers (ice or trans), depending on the oxynitrilase used.
- R for Cj-Cg-alkyl optionally substituted by halogen for C 3 -C8-cycloalkyl optionally substituted by C r C 6 -alkyl or C j -C 6 -alkoxy (in which a methylene group may be replaced by oxygen) , for C j -Cg-alkoxy optionally substituted by halogen, for C 3 -C6-alkenyloxy optionally substituted by halogen, for C 2 -C 8 -cyclo optionally substituted by C j -Cg-alkyl or -CC 6 -alkoxy alkyloxy or for each optionally by halogen, Ci-Cg-alkyl,
- Halogen in the above definitions represents fluorine, chlorine, bromine and iodine, especially fluorine, chlorine and bromine, in particular fluorine and chlorine.
- R for methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, tert-butyl, cyclopentyl, cyclohexyl, allyloxy, 2-butenyloxy, methoxy, ethoxy, n-propoxy, iso-propoxy , n-butoxy, iso-butoxy, tert-butoxy, phenyl or benzyloxy.
- the process according to the invention is preferably carried out in the presence of a diluent which is inert to the reactants.
- Aliphatic or aromatic hydrocarbons such as gasoline, toluene, xylene and tetralin
- Solvents such as dimethyl sulfoxide and sulfolane, or alcohols such as methanol, ethanol, isopropanol and tert-butanol.
- Preferred diluents are ethers (especially diisopropyl ether) and carboxylic acid esters (especially ethyl acetate).
- the reaction according to the invention can also be carried out in a two-phase system which consists of water and an organic solvent which is not completely miscible with water.
- organic solvents for example methyl tert-butyl ether, diisopropyl ether and ethyl acetate in question.
- Diisopropyl ether is preferably used.
- the process according to the invention can also be carried out in an aqueous system in the absence of an organic solvent at a preferred pH ⁇ 5, in particular at a pH between 3 and 4.
- the pH is adjusted using a buffer.
- Suitable buffers are, for example, sodium acetate or sodium citrate.
- a 20 to 500 mM sodium citrate buffer is preferably used.
- Oxynitrilases are enzymes that catalyze the cleavage and formation of cyanohydrins. Oxynitrilases have long been known (see, for example, EP-A-0 799 894; Chem. Commun. 1997, 1933; Angew. Chem. 1994, 106, 1609-1619; Angew. Chem. Int. Ed. Engl. 1996, 35, 438 ; Enantiomer, Vol. 1, pp. 359-363).
- the following oxynitrilases are preferably used for the process according to the invention: (R) -oxynitrilase from bitter almond (Prunus amygdalus), (S) -oxynitrilase from cassava (Manihot esculenta) and (S) -oxynitrilase from the rubber tree (Hevea brasiliensis) .
- the (R) -oxynitrilase from the bitter almond (Prunus amygdalus) (S) -oxynitrilase from cassava (Manihot esculenta) and (S) -oxynitrilase from the rubber tree (Hevea brasiliensis) .
- Bitter almond (Prunus amygdalus) and the (S) -oxynitrilase from cassava (Manihot exculenta) are used.
- the (R) -oxynitrilase from bitter almond (Prunus amygdalus) is very particularly preferably used.
- the inventive method leads depending on the type of used
- Oxynitrilase to an excess of trans or cis isomers In some cases, a dependence of the course of the reaction on the type of the substituent R can also be observed.
- the oxynitrilases can be used in various preparation forms in the process according to the invention.
- crude enzyme can also be used, ie the enzyme is not isolated, but a cell-free extract is used, which can be obtained by disrupting the cells with ultrasound, centrifuging the crude extract thus obtained from the cell walls / membranes and concentrating .
- Literature e.g. (R) -Oxy-nitrilase: tetrah. Lett. 1988, 29, 4485-88, Tetrah. Ass. 1996, 7, 1 105-1116, Synthetic Communications 1991, 21, 1387-91.
- defatted almond flour is also suitable, which can be obtained by Grind almonds and extract them with e.g. hexane or petroleum ether (commercially available from Sigma) or Lit .: Lett, 1988, 29, 4485-4488.
- Purified enzyme is preferably used.
- the enzymes can be bound to a suitable carrier material for carrying out the reaction according to the invention.
- a suitable carrier material for carrying out the reaction according to the invention.
- Cellulose for example, nitrocellulose and cellulose P 100 PSC: Elcema®; Degussa, particle size 50-150 ⁇ m, coated on the surface with 2% amorphous silica (Aerosil). This procedure enables after the
- the enzyme is usually applied to the support by dropping the enzyme solution onto the support, see e.g. also Angew. Chem. Int. Ed. Engl. 1996, 35, 439.
- the process according to the invention is carried out in the presence of a cyanide source.
- cyanide source examples include hydrocyanic acid, cyanohydrins such as acetone-cyanohydrin and metal cyanides such as KCN. Hydrogen cyanide or KCN is preferably used, particularly preferably hydrocyanic acid.
- the temperature can be varied within a wide range in the process according to the invention. In general, temperatures between -20 ° C and 80 ° C, preferably between 0 ° C and 40 ° C.
- the process according to the invention is generally carried out under normal pressure.
- the molar ratio of compound of formula (II) to cyanide ions is generally between 1: 1 and 1:50, preferably between 1: 1 and 1: 4.
- the process according to the invention is carried out by introducing the compound of the formula (II) and the cyanide source in a suitable diluent, adding the immobilized enzyme and stirring the reaction mixture at room temperature until the reaction has ended.
- the catalyst is then filtered off and the filtrate is worked up using customary methods.
- reaction it is also possible to carry out the reaction continuously, for example by sending the starting materials dissolved in the diluent over a column which is loaded with the enzyme fixed to the support or can be reacted in a membrane reactor, the products of the starting materials and the catalyst being evaporation be separated.
- the compounds of formula (I) prepared by the process according to the invention are valuable intermediates for the preparation of herbicides and pesticides according to the following reaction scheme: (see, for example, EP 0 647 637).
- Example 1 (substrate concentration 0.2 mol / 1)
- the enzyme immobilized on cellulose (Prunus amygdalus) or nitro-cellulose was added to a solution of 1 mmol ketone and 3.9 mmol hydrocyanic acid in 5 ml diisopropyl ether and the specified time was stirred at room temperature.
- the enzymes were obtained according to the following regulations or applied to the carrier:
- Example 3 (substrate concentration 0.2 mol / 1)
- the main focus was on lowering the water content on the carrier.
- the nitrocellulose loaded with the enzyme solution By centrifuging the nitrocellulose loaded with the enzyme solution, the water content can be reduced considerably.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Analytical Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU42647/99A AU4264799A (en) | 1998-06-02 | 1999-05-20 | Method for stereoselective production of substituted cyclohexylcyanhydrins |
| DK99955299T DK1082449T3 (da) | 1998-06-02 | 1999-05-20 | Fremgangsmåder til stereoselektiv fremstilling af substituerede cyclohexylcyanhydriner |
| US09/701,314 US6465222B1 (en) | 1998-06-02 | 1999-05-20 | Method for stereoselective production of substituted cyclohexylanhydrins |
| JP2000552296A JP2002517203A (ja) | 1998-06-02 | 1999-05-20 | 置換シクロヘキシルシアノヒドリンの立体選択的製造法 |
| AT99955299T ATE233822T1 (de) | 1998-06-02 | 1999-05-20 | Verfahren zur stereoselektiven herstellung von substituierten cyclohexylcyanhydrinen |
| DE59904461T DE59904461D1 (de) | 1998-06-02 | 1999-05-20 | Verfahren zur stereoselektiven herstellung von substituierten cyclohexylcyanhydrinen |
| EP99955299A EP1082449B1 (de) | 1998-06-02 | 1999-05-20 | Verfahren zur stereoselektiven herstellung von substituierten cyclohexylcyanhydrinen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19824491A DE19824491A1 (de) | 1998-06-02 | 1998-06-02 | Verfahren zur stereoselektiven Herstellung von substituierten Cyclohexylcyanhydrinen |
| DE19824491.6 | 1998-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999063104A1 true WO1999063104A1 (de) | 1999-12-09 |
Family
ID=7869591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1999/003464 Ceased WO1999063104A1 (de) | 1998-06-02 | 1999-05-20 | Verfahren zur stereoselektiven herstellung von substituierten cyclohexylcyanhydrinen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6465222B1 (de) |
| EP (1) | EP1082449B1 (de) |
| JP (1) | JP2002517203A (de) |
| AT (1) | ATE233822T1 (de) |
| AU (1) | AU4264799A (de) |
| DE (2) | DE19824491A1 (de) |
| DK (1) | DK1082449T3 (de) |
| ES (1) | ES2189512T3 (de) |
| WO (1) | WO1999063104A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001044487A1 (de) * | 1999-12-15 | 2001-06-21 | Dsm Fine Chemicals Austria Nfg Gmbh & Cokg | Verfahren zur herstellung von optisch aktiven cyanhydrinen unter verwendung von r-oxynitrilase |
| EP1323830A3 (de) * | 2001-12-27 | 2003-12-03 | DSM Fine Chemicals Austria Nfg GmbH & Co KG | Verfahren zur Herstellung von heterocyclischen (R)-und (S)-Cyanhydrinen |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT411064B (de) * | 2001-12-27 | 2003-09-25 | Dsm Fine Chem Austria Gmbh | Verfahren zur herstellung von enantiomerenangereicherten cyanhydrinen unter verwendung von acetalen oder ketalen als substrate |
| US20090029179A1 (en) * | 2007-05-14 | 2009-01-29 | Fujifilm Corporation | Two-liquid composition, hydrophilic composition and hydrophilic member |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4102327C1 (en) * | 1991-01-26 | 1992-06-04 | Degussa Ag, 6000 Frankfurt, De | (R)-keto:cyanohydrin prepn. - by reacting ketone with prussic acid in organic solvent in presence of (R)-oxy:nitrilase; used in prepn. of alpha-hydroxy-alpha-(m)ethyl carboxylic acid |
| WO1993011255A1 (de) * | 1991-12-04 | 1993-06-10 | Uwe Niedermeyer | Verfahren zur herstellung von optisch aktiven cyanhydrinen durch racemattrennung in gegenwart von oxynitrilasen |
| EP0799894A2 (de) * | 1996-02-09 | 1997-10-08 | Degussa Aktiengesellschaft | Verfahren zur Herstellung von (S)-Cyanhydrinen |
-
1998
- 1998-06-02 DE DE19824491A patent/DE19824491A1/de not_active Withdrawn
-
1999
- 1999-05-20 AU AU42647/99A patent/AU4264799A/en not_active Abandoned
- 1999-05-20 DE DE59904461T patent/DE59904461D1/de not_active Expired - Fee Related
- 1999-05-20 WO PCT/EP1999/003464 patent/WO1999063104A1/de not_active Ceased
- 1999-05-20 US US09/701,314 patent/US6465222B1/en not_active Expired - Fee Related
- 1999-05-20 DK DK99955299T patent/DK1082449T3/da active
- 1999-05-20 JP JP2000552296A patent/JP2002517203A/ja active Pending
- 1999-05-20 ES ES99955299T patent/ES2189512T3/es not_active Expired - Lifetime
- 1999-05-20 EP EP99955299A patent/EP1082449B1/de not_active Expired - Lifetime
- 1999-05-20 AT AT99955299T patent/ATE233822T1/de not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4102327C1 (en) * | 1991-01-26 | 1992-06-04 | Degussa Ag, 6000 Frankfurt, De | (R)-keto:cyanohydrin prepn. - by reacting ketone with prussic acid in organic solvent in presence of (R)-oxy:nitrilase; used in prepn. of alpha-hydroxy-alpha-(m)ethyl carboxylic acid |
| WO1993011255A1 (de) * | 1991-12-04 | 1993-06-10 | Uwe Niedermeyer | Verfahren zur herstellung von optisch aktiven cyanhydrinen durch racemattrennung in gegenwart von oxynitrilasen |
| EP0799894A2 (de) * | 1996-02-09 | 1997-10-08 | Degussa Aktiengesellschaft | Verfahren zur Herstellung von (S)-Cyanhydrinen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001044487A1 (de) * | 1999-12-15 | 2001-06-21 | Dsm Fine Chemicals Austria Nfg Gmbh & Cokg | Verfahren zur herstellung von optisch aktiven cyanhydrinen unter verwendung von r-oxynitrilase |
| US6717006B1 (en) | 1999-12-15 | 2004-04-06 | Dsm Fine Chemicals Austria Nfg Gmbh & Co Kg | Method for the production of optically active cyanohydrins using r-oxynitrilase |
| EP1323830A3 (de) * | 2001-12-27 | 2003-12-03 | DSM Fine Chemicals Austria Nfg GmbH & Co KG | Verfahren zur Herstellung von heterocyclischen (R)-und (S)-Cyanhydrinen |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1082449A1 (de) | 2001-03-14 |
| DE59904461D1 (de) | 2003-04-10 |
| JP2002517203A (ja) | 2002-06-18 |
| ES2189512T3 (es) | 2003-07-01 |
| AU4264799A (en) | 1999-12-20 |
| EP1082449B1 (de) | 2003-03-05 |
| ATE233822T1 (de) | 2003-03-15 |
| DE19824491A1 (de) | 1999-12-09 |
| US6465222B1 (en) | 2002-10-15 |
| DK1082449T3 (da) | 2003-06-30 |
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