Racemization of an optically active lysine alkyl ester

Details Racemization of an optically active lysine alkyl ester Racemization of an optically active lysine alkyl ester

1978-06-19

1979-09-25

Thomas, Jr., James O.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

562562, C07C 9900, C07C10124

Patent

active

041692071

ABSTRACT:
An optically active lysine alkyl ester.dihydrochloride is racemized by heating at 100.degree. C. to 250.degree. C. under an atmosphere of hydrogen. By combining this process with asymmetric hydrolysis of racemic lysine alkyl ester with enzymes, racemic lysine alkyl ester can be converted all to L-lysine.

REFERENCES:
patent: 2536360 (1951-01-01), Emmick
patent: 2586154 (1952-02-01), Emmick
patent: 3297637 (1967-01-01), Akabori
patent: 3970700 (1976-07-01), Nagase
patent: 3976680 (1976-08-01), Clark

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