Document Type and Number:
Japanese Patent JPS5443598
Kind Code:
B2
Abstract:
3-Acyloxymethylceph-3-em-4-carboxylic acids, for example cephalosporin C, are enzymically deacylated to their 3-hydroxymethyl analogues by means of esterases produced by culturing a yeast microorganism or a mutant thereof of the genus Rhodotorula, for example a microorganism of the species Rhodotorula rubra.
Application Number:
JP5432274A
Publication Date:
December 20, 1979
Filing Date:
May 14, 1974
Export Citation:
International Classes:
C07D501/04; C07D501/16; C07D501/20; C07D501/26; C07D501/60; C12N9/18; C12P35/00