Title:
DD22HYDROXYY44METHYLMERCAPTOBUTYRIC ACID DERIVATIVE*ITS MANUFACTURE AND FEED*FOOD OR MEDICAL COMPOSITION CONTAINING SAID DERIVATIVE
Document Type and Number:
Japanese Patent JPS55127359
Kind Code:
A
Abstract:
Derivatives of D-2-hydroxy-4- methylmercaptobutyric acid of the formula wherein A represents sodium, potassium or one equivalent of magnesium or calcium or a methyl group and R represents hydrogen or an acetyl group; are useful in fodder, as a food or as a medicine where they may act as methionine supplements. They may be prepared by treating D- methionine with nitrous acid and reacting the D-2-hydroxy-4- methylbutyric acid formed with an oxide, hydroxide, carbonate or bicarbonate of the appropriate metal to form the salt or with methanol to form the ester and/or an acetylating compound to form the acetylated product. The calcium salt of D-2- hydroxy-4-methylmercaptobutyric acid is particularly useful in pharmaceutical preparations for patients having renal insufficiencies.
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Inventors:
DEIBUIDO EICHI BEIKAA
RUUDORUFU FUAANENSHIYUTEIHI
AKUSERU KUREEMAN
BERUNTO REEMAN
YURUGEN MARUTENSU
HERUBERUTO TANAA
RUUDORUFU FUAANENSHIYUTEIHI
AKUSERU KUREEMAN
BERUNTO REEMAN
YURUGEN MARUTENSU
HERUBERUTO TANAA
Application Number:
JP2745880A
Publication Date:
October 02, 1980
Filing Date:
March 06, 1980
Export Citation:
Assignee:
DEGUSSA
International Classes:
A61K31/19; A23K1/00; A23K1/16; A23K1/18; A23K50/15; A23L1/30; A23L1/305; A61K31/10; A61K31/22; A61P43/00; C07C67/00; C07C313/00; C07C319/20; C07C323/52; A23K; A61K; C07C; (IPC1-7): A23K1/16; A23L1/30; A61K31/19; A61K31/22; C07C149/20
Domestic Patent References:
| JP39019150A |