7-amino-3-methoxymethyl-3-cephem-4-carboxylic ester hydrolase, p

Details 7-amino-3-methoxymethyl-3-cephem-4-carboxylic ester hydrolase, p 7-amino-3-methoxymethyl-3-cephem-4-carboxylic ester hydrolase, p

1994-07-12

1996-06-18

Wityshyn, Michael G.

Chemistry: molecular biology and microbiology

Enzyme , proenzyme; compositions thereof; process for...

Hydrolase

435 47, 435280, 435872, 435886, C12N 918, C12P 3500, C12P 4100

Patent

active

055276970

ABSTRACT:
An esterase with a molecular weight of 55,200 .+-.300 Da is suitable for the chemoselective conversion of a compound of the formula II into a compound of the formula I. ##STR1##

REFERENCES:
patent: 4316955 (1982-02-01), Abbott et al.
Shim Y K et al, Bull Korean Chem Soc. 10:33-34 (1989).
Jones J B, Tetrahedron 42:3351-3403 (1986).
"Deprotection of Carboxylic Esters of .beta.-Lactam Homologues, Cleavage of p-Methoxybenzyl, Diphenylmethyl, and tert-Butyl Esters Effected by a Phenolic Matrix", Sigeru Torii et al., J. Org. Chem., 56:3633-3637 (1991).

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