Process for manufacturing L-(-)-carnitine from a waste product h

Details Process for manufacturing L-(-)-carnitine from a waste product h Process for manufacturing L-(-)-carnitine from a waste product h

1995-01-03

1997-02-04

Trinh, Ba K.

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

Organic compounds

Carboxylic acids and salts thereof

C07C22910, C07C22922

Patent

active

055999786

ABSTRACT:
The present invention relates to a proces for manufacturing L-(-)-carnitine from D-(+)-carnitine or a derivative thereof. D-(+)-carnitine is esterified in order to protect the carboxyl group and subsequently converted to an acyl derivative. The acyl derivative is then converted to a lactone of L-(-)-carnitine. Finally, the lactone is reopened to obtain L-(-)-carnitine.

REFERENCES:
patent: 4413142 (1983-11-01), Fiorini et al.

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