PRODUCTION DE L'ACIDE D(-)-B-HYDROXYISOBUTYRIQUE PAR FERMENTATION DE L'ACIDE ISOBUTYRIQUE ET/OU METHACRYLIQUE
L'invention a pour objet la production par fermentation de l'acide D(-)- beta -hydroxyisobutyrique à partir de l'acide isobutyrique et/ou methacrylique, par une action stéréosélective des microorganismes. Les microorganismes capables de convertir l'acide isobutyrique et/ou l'...
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Format | Patent |
Language | French |
Published |
03.02.1984
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Abstract | L'invention a pour objet la production par fermentation de l'acide D(-)- beta -hydroxyisobutyrique à partir de l'acide isobutyrique et/ou methacrylique, par une action stéréosélective des microorganismes. Les microorganismes capables de convertir l'acide isobutyrique et/ou l'acide méthacrylique en acide D(-)- beta -hydroxyisobutyrique, sont ceux du genre Candida, Torulopsis, Trygonopsis, Saccharomyces, Pichia, Debaryomyces, Wingea, Rhodosporidium, Aspergillus, Choanephora et Zygorhynchus. Utilisation de cet acide comme produit intermédiaire pour la synthèse de certaines substances physiologiquement actives portant des atomes asymétriques de carbone, notamment de certains médicaments.
A process is disclosed wherein D(-)- beta -hydroxyisobutyric acid is produced fermentatively from isobutyric acid or methacrylic acid by the stereoselective action of microorganisms having the ability to convert isobutyric acid or methacrylic acid into D(-)- beta -hydroxyisobutyric acid in an aqueous medium, and D(-)- beta -hydroxyisobutyric acid is recovered from the aqueous medium. |
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AbstractList | L'invention a pour objet la production par fermentation de l'acide D(-)- beta -hydroxyisobutyrique à partir de l'acide isobutyrique et/ou methacrylique, par une action stéréosélective des microorganismes. Les microorganismes capables de convertir l'acide isobutyrique et/ou l'acide méthacrylique en acide D(-)- beta -hydroxyisobutyrique, sont ceux du genre Candida, Torulopsis, Trygonopsis, Saccharomyces, Pichia, Debaryomyces, Wingea, Rhodosporidium, Aspergillus, Choanephora et Zygorhynchus. Utilisation de cet acide comme produit intermédiaire pour la synthèse de certaines substances physiologiquement actives portant des atomes asymétriques de carbone, notamment de certains médicaments.
A process is disclosed wherein D(-)- beta -hydroxyisobutyric acid is produced fermentatively from isobutyric acid or methacrylic acid by the stereoselective action of microorganisms having the ability to convert isobutyric acid or methacrylic acid into D(-)- beta -hydroxyisobutyric acid in an aqueous medium, and D(-)- beta -hydroxyisobutyric acid is recovered from the aqueous medium. |
Author | WATANABE KIYOSHI JUNZO HASEGAWA, MASAHIRO OGURA, SHIGEKI HAMAGUCHI, MASAMI SHIMAZAKI, HAJIME KAWAHARADA ET KIYOSHI WATANABE OGURA MASAHIRO KAWAHARADA HAJIME HASEGAWA JUNZO SHIMAZAKI MASAMI HAMAGUCHI SHIGEKI |
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Snippet | L'invention a pour objet la production par fermentation de l'acide D(-)- beta -hydroxyisobutyrique à partir de l'acide isobutyrique et/ou methacrylique, par... |
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SubjectTerms | BEER BIOCHEMISTRY CHEMISTRY ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING SPIRITS VINEGAR WINE |
Title | PRODUCTION DE L'ACIDE D(-)-B-HYDROXYISOBUTYRIQUE PAR FERMENTATION DE L'ACIDE ISOBUTYRIQUE ET/OU METHACRYLIQUE |
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