Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1986-10-08
1988-05-17
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
548301, 562443, 562445, 562449, C07C10104
Patent
active
047452188
ABSTRACT:
.alpha.-Vinyl-.alpha.-aminocarboxylic acids of the general formula: ##STR1## where * indicates a center of asymmetry and R is hydrogen, deuterium, lower alkyl, allyl, benzyl, or benzyl substituted 1 to 3 times by alkyl, alkoxy, fluorine or chlorine and produced enantioselectively from L-methionine by a multistep process.
REFERENCES:
patent: 3960927 (1976-06-01), Metcalf
patent: 4585892 (1986-04-01), Seebach
Seebach Dieter
Weber Theodor
Degussa - AG
Shippen Michael L.
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