WO2014133291A1 - (2rs)-아미노-(3s)-히드록시-부티르산 또는 이의 유도체의 제조방법 - Google Patents
(2rs)-아미노-(3s)-히드록시-부티르산 또는 이의 유도체의 제조방법 Download PDFInfo
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- WO2014133291A1 WO2014133291A1 PCT/KR2014/001478 KR2014001478W WO2014133291A1 WO 2014133291 A1 WO2014133291 A1 WO 2014133291A1 KR 2014001478 W KR2014001478 W KR 2014001478W WO 2014133291 A1 WO2014133291 A1 WO 2014133291A1
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- butyric acid
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- 0 C*[C@@](C(C(O*)=O)NC(*)=O)O Chemical compound C*[C@@](C(C(O*)=O)NC(*)=O)O 0.000 description 2
- CXFDMCGOFSDJFK-UHFFFAOYSA-N CC(C(C(CO)=O)N)O Chemical compound CC(C(C(CO)=O)N)O CXFDMCGOFSDJFK-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/30—Preparation of optical isomers
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- 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
- C12P13/04—Alpha- or beta- amino acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/12—Formation of amino and carboxyl groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
- C07C227/20—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C229/22—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated the carbon skeleton being further substituted by oxygen atoms
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- 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
Definitions
- the present invention relates to a process for the preparation of (2RS) -amino- (3S) -hydroxy-butyric acid or derivatives thereof and to intermediates for the preparation thereof. More specifically, the present invention provides a mixture of non-natural amino acids D- (2R, 3S) -threonine and L-allo- (2S, 3S) -threonine, ie, (2RS) -amino, using chemical and enzymatic synthesis. A method for preparing-(3S) -hydroxy-butyric acid or a derivative thereof in high yield and high purity, and an intermediate for preparing the same.
- L-threonine one of natural amino acids, is not only widely used as a feed and food additive, but also used as a synthesis and production source of sap or other medicines.
- Unnatural amino acids D-threonine and D- or L-allo-threonine are also highly demanded as useful chiral blocks.
- threonine which has the common name 2-amino-3-hydroxy-butyric acid, has two stereocenters at positions 2 and 3 in the molecule, there are four stereoisomers, specifically, L- ( 2S, 3R) -Threonine (Formula 1), D- (2R, 3S) -Threonine (Formula 2), D-allo- (2R, 3R) -Threonine (Formula 3) and L-Allo- (2S, 3S) -Has a structure of threonine (Formula 4).
- Korean Patent Publication No. 2003-0036199 discloses a method of fermentatively preparing a natural amino acid L-threonine using enterobacteria.
- methods for producing L-threonine by fermentation through genetic recombination have been disclosed in numerous patents and literature.
- U.S. Patent No. 4,211,840 discloses a method for producing D-threonine using microorganisms or enzymes, wherein the microorganism is cultured using a hydantoin derivative as a nitrogen source, and the cultured microorganism is contacted with various types of hydantoin derivatives.
- the production of several types of D-amino acids, including D-threonine, is disclosed.
- the embodiment of the patent shows a problem that most of the yield does not exceed 50%.
- WO 01 / 40450A1 discloses a method for producing a chiral alcohol compound, which is a raw material for treating hyperlipidemia, by reducing a ketone compound using a reductase.
- a reductase gene is isolated from a new microorganism isolated from nature or a microorganism known in the paper or patent, the isolated gene is transplanted into plasmid, transformed in E. coli, the resulting E. coli is cultured, and then The cells obtained by crushing and centrifugation may be used for the reaction as it is, or the supernatant recovered by crushing and centrifuging the E. coli may be used for the reaction.
- Patent Document 1 Korean Patent Publication No. 2003-0036199
- Patent Document 2 U.S. Patent 4,211,840
- Patent Document 3 International Patent Publication WO01 / 40450A1
- Non-Patent Document 1 Organic Syntheses, Coll. Vol. 3, p.813 (1955)
- Non-Patent Document 2 Organic Syntheses, Coll. Vol. 20, p. 101 (1940)
- Non-Patent Document 3 Tetrahedron: Asymmetry Vol. 2, No. 1, pp. 555-56 l. 1991
- Non-Patent Document 4 Helv. Chim. Acta vol 70; 232-236, 1987
- the inventors have used (2RS) -amino- (3S) -hydroxy-butyric acid or derivatives thereof in which the alcohol group at position 3 of threonine is regulated to have an S-stereotropic orientation, using chemical and enzymatic reduction methods from an achiral starting material.
- (2RS) -amino- (3S) -hydroxy-butyric acid or derivatives thereof in which the alcohol group at position 3 of threonine is regulated to have an S-stereotropic orientation, using chemical and enzymatic reduction methods from an achiral starting material.
- D-threonine and L-alloline in which the alcohol group at position 3 of threonine is fixed to S-form using chemical and enzymatic reduction methods
- An effective method for producing threonine in high yield and high purity has been developed.
- the present inventors have mixed the D-threonine (2R, 3S) of formula (2) and L- allo-threonine (2S, 3S) of formula (3) by the enzymatic reduction reaction, that is represented by the formula (2RS Amino- (3S) -hydroxy-butyric acid or derivatives thereof have been produced with high yield and high purity.
- (2RS) -amino- (3S) -hydroxy-butyric acid or a derivative thereof, which is a diastereomeric mixture of threonine can be prepared in high yield and high purity.
- the first object of the present invention is (2RS) -alkylcarbonylamino- (3S) -hydroxy-butyric acid alkylester by enzymatic reduction from (2RS) -alkanamido-3-oxo-butyric acid alkylester or derivatives thereof It provides a method for preparing (2RS) -amino- (3S) -hydroxy-butyric acid or a derivative thereof of Formula 5, comprising the step of obtaining a derivative thereof.
- the first object as shown as an example in Scheme 1 below, by the enzymatic reduction reaction, the third position (beta position) of the threonine is fixed to S and the second position (alpha position) is R-form and S It can be achieved by obtaining threonine with -form, and can be conceptualized by the following scheme.
- R 1 represents a hydrogen atom, a straight or branched alkyl group, preferably a C 1 ⁇ C 4 alkyl group, alkylcarbonyl, alkoxycarbonyl, phenyl group, benzyl group or phenethyl group
- R 2 is a straight chain Or a branched alkyl group, preferably a C 1 to C 4 alkyl group, a phenyl group, a benzyl group or a phenethyl group, wherein the above alkyl is preferably a C 1 to C 4 alkyl group, which is further substituted or unsubstituted with hydroxy or halogen.
- R 2 is a straight chain Or a branched alkyl group, preferably a C 1 to C 4 alkyl group, a phenyl group, a benzyl group or a phenethyl group, wherein the above alkyl is preferably a C 1 to C 4 alkyl group, which
- the process for preparing (2RS) -amino- (3S) -hydroxy-butyric acid or derivatives thereof may comprise the following steps (i), (ii), (iii) and (iv) Can:
- R 1 and R 2 are as defined above.
- a second object of the present invention is to provide compounds of formula (7) and compounds of formula (8), respectively, as intermediates that can be used in the preparation of (2RS) -amino- (3S) -hydroxy-butyric acid or derivatives thereof.
- the compound of formula 7 may be obtained by a process comprising the step (i), and the compound of formula 8 may be obtained by a process comprising the step (ii). Can be.
- the hydrogenation of step (iii) can be carried out by hydrogenating palladium / carbon with hydrogen gas, wherein the reagents used are organic acid anhydrides, such as acetic anhydride or di-tert, -Butyl-dicarbonate can be used, and a chloroformate compound of formula 11, for example benzyl chloroformate, can be used.
- the reagents used are organic acid anhydrides, such as acetic anhydride or di-tert, -Butyl-dicarbonate can be used, and a chloroformate compound of formula 11, for example benzyl chloroformate, can be used.
- Enzymatic reduction of step (iv) consists of Saccharomyces, Lactobacillus, Candida, Rhodococcus, Pseudomonas or Pichia It may be carried out using a reductase derived from one or more microorganisms selected from the group or a fraction containing the same.
- the enzymatic reduction described above consists of Candida magnolia , Candida parapsilosis , Rhodococcus erythropolis or Devosia riboflavina .
- a reductase derived from one or more microorganisms selected from the group or fractions containing the same, more specifically Candida magnolia reductase, Candida parapsilosis reductase, Rhodococcus erythropolis reductase and Devosia riboflavina reductase Can be carried out using a reductase.
- microorganism-bearing reductase is microbiologically cultured, isolated and / or purified by a method commonly used in the art or a method described in the literature described herein. And / or those which have been genetically transformed, cultured, isolated and / or purified, and commercially available ones may be used.
- the deprotection of step (v) can be carried out using most of the methods and reagents conventionally used for the deprotection of ester protecting groups or alkanamido protecting groups, for example ethanol. It can be carried out using an acid catalyst such as hydrochloric acid in an alcohol solvent such as.
- Step (i) is a hydroxyimidation reaction, in which a 3-oxo-butyric acid alkylester of formula 6 is reacted with sodium nitrite (NaNO 2 ) to obtain an oxime compound of formula 7.
- the reaction temperature may be selected from 20 ⁇ 0 °C, the reaction solvent may be used acetic acid, water or a mixed solvent thereof, sodium nitrite may be preferably used 1 to 2 equivalents.
- Step (ii) of Scheme 2 is a reduction or hydrogenation reaction of a hydroxyimino group, wherein the 2- (hydroxyimino) -3-oxo-butyric acid alkylester of the formula (7) is reduced or hydrogenated to give (2RS)- Alkylcarbonylamino-3-oxo-butyric acid alkylester.
- Step (ii) is for example 0.2-0.5 equivalents of 10% palladium / carbon and 2-3 equivalents of an organic acid anhydride of formula 8 (e.g. acetic acid) in an alcoholic solvent such as ethanol under 1-5 atmospheres of hydrogen gas.
- Anhydride) or di-tert-butyl-dicarbonate and may be achieved by hydrogenation in the presence of a chloroformate compound of formula 9 (eg benzyl chloroformate).
- Step (iii) of Scheme 3 is an enzymatic reduction of the beta-keto group, wherein the 2RS-alkylcarbonylamino-3-oxo-butyric acid alkylester of formula 8 is enzymatically or microbially reduced to reduce the 2RS) -alkanamido- (3S) -hydroxybutyric acid ester.
- the enzymatic reduction reaction is usually carried out in water, the reaction temperature can be chosen at a temperature, specifically at a temperature of 10-40 ° C., especially near room temperature, and the pH of the reaction solution can be maintained at approximately 6.5. have.
- Reductases that can be used in the present invention are, as mentioned above, Saccharomyces, Lactobacillus, Candida, Rhodococcus, Pseudomonas or Peach. It may be derived from one or more microorganisms selected from the group consisting of the subfamily (Pichia), specifically from the group consisting of Candida magnolia reductase, Candida parapsilosis reductase, Rhodococcus erythropolis reductase and Devosia riboflavina reductase One or more reductases may be used.
- Step (iv) is a deprotection reaction, by deprotecting the (2RS) -alkylcarbonylamino- (3S) -hydroxybutyric acid alkyl ester of formula (9) to (2RS) -amino- (3S) -hydride of formula (5).
- This is a step of obtaining oxy-butyric acid.
- Step (iv) is, for example, adding 3N hydrochloric acid to the reaction and refluxing for 3 hours to acetyl group, tert-butoxycarbonyl (Boc) or benzyloxycarbonyl (Cbz) and carboxylic acid group attached to the amine group. This can be achieved by simultaneously removing the ester groups attached to it.
- ethanol Water, ethanol, methanol, isopropanol, ethyl acetate and the like can be used as the reaction solvent, and ethanol may be particularly preferable.
- the method for deprotection of acetamido group, tert-butoxycarbonyl (Boc) or benzyloxycarbonyl (Cbz) and / or ester group is not particularly limited, and if necessary, only one of them may be selectively removed. You can also protect it.
- the derivative of (2RS) -amino- (3S) -hydroxy-butyric acid or the derivative of other compounds of the formula (5) is an amino group, a hydroxyl group and / or a carboxylic acid group which is a reactive group included in the compound as a substituent or protecting group. It means a compound that is substituted or protected.
- the kind of protecting group of the amino group, hydroxy group and / or carboxylic acid group is not particularly limited, and a protecting group generally used may be used for the compounds of the present invention.
- the amino group may be protected in the form of mono- or dialkylamino, alkylamido, alkylimido, alkylcarbonylamino, alkoxycarbonylamino, and the protecting group of the hydroxy group is alkylether or alkylcarbonyloxy
- carboxylic acid groups may be protected in the form of alkyl esters, alkylamides and the like.
- the enzymatic reduction reaction refers to a reaction of forming a hydroxyl group by reducing a ketone group or an aldehyde group of an organic compound using a microorganism itself or a reductase derived from a microorganism.
- Reductase derived from a microorganism means a reductase extracted from a naturally or genetically modified microorganism or a mixture or fraction containing the same.
- Reductases used in the enzymatic reduction reaction according to the present invention are oxidoreductases (EC 1.1 series, alcohol oxidoreductases) that act as donors of the CH-OH group or oxidoreductases that act as donors of the aldehyde or oxo group ( EC 1.2), but is not limited to these.
- Reductases derived from microorganisms referred to in the present invention or fractions containing them are described, for example, in Manatis, T. (1989) Molecular cloning: a laboratory manual, 2nd ed., Cold Spring Harbor Laboratory Press, New York Prepared by those skilled in the art. Specifically, the reductase gene is cloned from the target microorganism by PCR, followed by cleavage of a specific position using a restriction enzyme, binding to a specific region of the plasmid using a ligase, and then a recombinant DNA plasmid. To prepare.
- the recombinant DNA plasmid thus prepared was transformed in Escherichia coli, cultured Escherichia coli, centrifuged to recover the culture, crushed culture obtained by ultrasound, centrifuged to remove the mycelium to obtain a reductase fraction. can do.
- the type of microorganism from which the reductase which can be used in the present invention can be derived is not particularly limited, but specifically, Saccharomyces, Lactobacillus, Candida, and Rhodococcus (Saccharomyces) Microorganisms belonging to the genus Rhodococcus, Pseudomonas or Pichia may be mentioned.
- Candida magnolia reductase, Candida parapsilosis reductase, Rhodococcus erythropolis reductase and Devosia riboflavina reductase which can be preferably used according to the present invention, are described in Maniatis, T. (1989) Molecular cloning: a laboratory manual. , 2nd ed., Cold Spring Harbor Laboratory Press, New York, can be easily prepared by those skilled in the art, but is not limited to those prepared by the method described in the document.
- One of the advantages of the present invention is that starting materials are readily available compounds from which expensive (2RS) -amino- (3S) -hydroxy-butyric acid (Formula 5) can be prepared in high yield and high purity. .
- chromosomes were extracted and purified, and then a reductase was amplified using a designed PCR primer.
- the band of the desired size was confirmed by electrophoresis, extracted, purified, and then digested with restriction enzymes, which were then cleaved with the same restriction enzyme and combined with the purified expression vector, and then linked using ligase.
- the prepared recombinant DNA was transformed into Escherichia coli, and the active strains were selected and cultured in the medium. After the cells were recovered by centrifugation, the cells were crushed by ultrasound and centrifuged to prepare a reductase-containing supernatant.
- Enzyme selection experiments were carried out using ethyl 2-acetamido-3-oxobutanoate prepared in Example 2 as a reductase and a substrate shown in Table 1 below as enzymes.
- the stereospecificity of the reductase is different depending on the type of microorganism, so that various microorganisms were tested in order to select excellent reductase.
- Candida magnolia reductase, Candida parapsilosis reductase, Rhodococcus erythropolis reductase and Devosia riboflavina with reductase were determined to be excellent in the desired stereospecificity in the present invention.
- Ethyl 2-acetamido-3-oxobutanoate prepared in Example 2 was used as the Rhodococcus erythropolis retaining reductase and substrate prepared in Preparation Example.
- Example 5 The compound obtained in Example 5 is a mixture of two isomers among the four optical isomers of threonine, whereas the compound obtained in Comparative Example 6 is a mixture containing all four optical isomers of threonine, and it has the same structural formula. Made for comparison.
- NMR shows that the compound obtained in Comparative Example 6 and the compound obtained in Example 4 have the same structural formula.
- the present invention is useful for the preparation of the non-natural isomers of threonine or mixtures thereof, and can be used in the field of synthesis of pharmaceuticals using them as chiral building blocks.
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Abstract
Description
Claims (9)
- 화학식 8의 화합물로부터 효소 환원법에 의해 화학식 9의 화합물을 수득하는 것을 포함하는, 화학식 5의 (2RS)-아미노-(3S)-히드록시-부티르산 또는 이의 유도체의 제조방법.[화학식 5][화학식 8][화학식 9](상기식에서, R1은 수소원자, 직쇄 또는 분지쇄 C1~C4 알킬기, 알킬카르보닐, 알콕시카르보닐, 페닐기, 벤질기 또는 펜에틸기를 나타내며, 및 R2는 직쇄 또는 분지쇄 C1~C4 알킬기, 알킬카르보닐, 알콕시카르보닐, 페닐기, 벤질기 또는 펜에틸기를 나타내며, 전술한 알킬은 히드록시 또는 할로겐으로 더욱 치환 또는 비치환될 수 있다.)
- 제 1 항에 있어서, 하기 단계 (i), (ii), (iii) 및 (iv)을 포함하는 것을 특징으로 하는, (2RS)-아미노-(3S)-히드록시-부티르산 또는 이의 유도체의 제조방법:(i) 화학식 6의 3-옥소-부티르산 알킬에스테르를 아질산나트륨과 반응시켜 화학식 7의 2-히드록시이미노-3-옥소-부티르산 알킬에스테르를 수득하는 단계;(ii) 화학식 7의 화합물을 환원 또는 수소화시켜 화학식 8의 (2RS)-알킬카르보닐아미노-3-옥소-부티르산 알킬에스테르를 수득하는 단계;(iii) 화학식 8의 화합물로부터 효소 환원법에 의해 화학식 9의 (2RS)-알킬카르보닐아미노-(3S)-히드록시-부티르산 알킬에스테르을 수득하는 단계;(iv) 화학식 9의 화합물을 탈보호시켜 화학식 5의 (2RS)-아미노-(3S)-히드록시-부티르산을 제조하는 단계;[화학식 6][화학식 7][화학식 8][화학식 9][화학식 5](상기식에서, R1 및 R2는 상기 정의된 바와 같다.)
- 제 1 또는 2 항에 있어서, 전술한 효소적 환원법은 사카로마이세스속(Saccharomyces), 락토바실러스속(Lactobacillus), 칸디다속(Candida), 로도코커스(Rhodococcus), 슈도모나스속(Pseudomonas) 또는 피치아속(Pichia)으로 구성된 군에서 선택되는 하나 이상의 미생물에서 유래하는 환원효소 또는 이를 함유하는 분획을 사용하는 것을 특징으로 하는, (2RS)-아미노-(3S)-히드록시-부티르산 또는 이의 유도체의 제조방법.
- 제 3 항에 있어서, 전술한 효소적 환원법은 칸디다 마그놀리아 (Candida magnolia), 칸디다 파라프실로시스 (Candida parapsilosis), 로도코커스 에리트로폴리스 (Rhodococcus erythropolis) 또는 데보시아 리보플라비나 (Devosia riboflavina)로 구성된 군에서 선택되는 하나 이상의 미생물에서 유래하는 환원효소 또는 이를 함유하는 분획을 사용하는 것을 특징으로 하는, (2RS)-아미노-(3S)-히드록시-부티르산 또는 이의 유도체의 제조방법.
- 제 4 항에 있어서, 전술한 효소적 환원법은 Candida magnolia 보유 환원효소, Candida parapsilosis 보유 환원효소, Rhodococcus erythropolis 보유 환원효소 또는 Devosia riboflavina 보유 환원효소로 구성된 군에서 선택되는 하나 이상의 환원효소를 사용하는 것을 특징으로 하는, (2RS)-아미노-(3S)-히드록시-부티르산 또는 이의 유도체의 제조방법.
- 제 2 항에 있어서, 전술한 단계 (ii)의 수소화는 아세트산 무수물, 디-tert-부틸-디카보네이트 또는 벤질 클로로포메트로 구성된 군에서 선택되는 하나 이상을 사용하여 팔라듐/카본의 존재 하에 수소 기체로써 환원시킴으로써 수행되는 것을 특징으로 하는, (2RS)-아미노-(3S)-히드록시-부티르산의 제조방법.
- 제 2 항에 있어서, 전술한 단계 (iv)의 탈보호는 에탄올과 같은 알콜 용매에서 염산을 사용하여 수행되는 것을 특징으로 하는, (2RS)-아미노-(3S)-히드록시-부티르산의 제조방법.
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US14/770,445 US9862978B2 (en) | 2013-02-26 | 2014-02-24 | Method for preparing (2RS)-amino-(3S)-hydroxy-butyric acid and its derivatives |
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KR1020130020365A KR101446551B1 (ko) | 2013-02-26 | 2013-02-26 | (2rs)-아미노-(3s)-히드록시-부티르산 또는 이의 유도체의 제조방법 |
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KR101742477B1 (ko) | 2015-02-06 | 2017-06-01 | 연세대학교 산학협력단 | 라세믹 트레오닌으로부터 d-트레오닌 및 호모알라닌을 순차적으로 생산하는 방법 |
CN113354554B (zh) * | 2021-07-07 | 2022-10-11 | 浙江工业大学 | 一种(2R,3S)-β′-羟基-β-氨基酸酯类衍生物及其制备方法 |
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KR20040014655A (ko) * | 2001-07-02 | 2004-02-14 | 가네가후치 가가쿠 고교 가부시키가이샤 | 효소 개변 방법 및 산화 환원 효소 변이체 |
WO2011005052A2 (en) * | 2009-07-10 | 2011-01-13 | Green Gross Corporation | Novel arylpiperazine-containing imidazole 4-carboxamide derivatives and pharmaceutical composition comprising same |
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US4211840A (en) | 1977-06-08 | 1980-07-08 | Ajinomoto Company, Incorporated | Method for producing D-α-amino acid |
DE3122450A1 (de) * | 1981-06-05 | 1982-12-30 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Verfahren zur herstellung von polyfunktionalen organischen verbindungen mit wenigstens einer tert. butylaether- oder -estergruppe |
CA2360376C (en) | 1999-12-03 | 2005-04-26 | Noriyuki Kizaki | Novel carbonyl reductase, gene thereof and method of using the same |
DE10102823A1 (de) | 2000-05-27 | 2001-11-29 | Degussa | Verfahren zur fermentativen Herstellung von L-Threonin |
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KR20040014655A (ko) * | 2001-07-02 | 2004-02-14 | 가네가후치 가가쿠 고교 가부시키가이샤 | 효소 개변 방법 및 산화 환원 효소 변이체 |
WO2011005052A2 (en) * | 2009-07-10 | 2011-01-13 | Green Gross Corporation | Novel arylpiperazine-containing imidazole 4-carboxamide derivatives and pharmaceutical composition comprising same |
Non-Patent Citations (1)
Title |
---|
"Online posting about (2S,3R)2-acetamido-3-hydroxybutanoate. [online]Pubchem. 29 July 2006", Retrieved from the Internet <URL:http://pubchem.ncbi.nlm.nih.gov/search/#collection=compounds> [retrieved on 20060729] * |
Also Published As
Publication number | Publication date |
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KR101446551B1 (ko) | 2014-10-06 |
WO2014133291A9 (ko) | 2016-04-14 |
KR20140106168A (ko) | 2014-09-03 |
US9862978B2 (en) | 2018-01-09 |
US20160017389A1 (en) | 2016-01-21 |
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