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Houng et al., 1996 - Google Patents

Kinetic resolution of amino acid esters catalyzed by lipases

Houng et al., 1996

Document ID
2751458763509681087
Author
Houng J
Wu M
Chen S
Publication year
Publication venue
Chirality

External Links

Snippet

Racemic amino acids were resolved by lipase via hydrolysis of their esters. Lipases (Pseudomonas lipase from Amano PS, Rhizopus lipase from Serva, and porcine pancrease lipase from Sigma) could selectively hydrolyze the L‐amino acid esters in aqueous solution …
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    • C12P41/00—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
    • C12P41/006—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by reactions involving C-N bonds, e.g. nitriles, amides, hydantoins, carbamates, lactames, transamination reactions, or keto group formation from racemic mixtures
    • C12P41/007—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by reactions involving C-N bonds, e.g. nitriles, amides, hydantoins, carbamates, lactames, transamination reactions, or keto group formation from racemic mixtures by reactions involving acyl derivatives of racemic amines
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    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
    • C12P13/222—Phenylalanine
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    • C12P41/00—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
    • C12P41/003—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions
    • C12P41/005—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions by esterification of carboxylic acid groups in the enantiomers or the inverse reaction
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    • C12P41/00—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
    • C12P41/003—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions
    • C12P41/004—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions by esterification of alcohol- or thiol groups in the enantiomers or the inverse reaction
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    • C07—ORGANIC CHEMISTRY
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    • C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
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    • C07K5/10—Tetrapeptides
    • C07K5/1002—Tetrapeptides with the first amino acid being neutral
    • C07K5/1005—Tetrapeptides with the first amino acid being neutral and aliphatic
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    • C12P21/02—Preparation of peptides or proteins having a known sequence of two or more amino acids, e.g. glutathione
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    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C12N9/78—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5)
    • C12N9/80—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5) acting on amide bonds in linear amides (3.5.1)
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    • C12P13/00—Preparation of nitrogen-containing organic compounds
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    • C07K1/12—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by hydrolysis, i.e. solvolysis in general

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