Process for preparing 7-aminocephalosporanic acid derivatives

Details Process for preparing 7-aminocephalosporanic acid derivatives Process for preparing 7-aminocephalosporanic acid derivatives

1977-08-22

1978-09-19

Rizzo, Nicholas S.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 30, 544 26, C07D50136

Patent

active

041156463

ABSTRACT:
The use of an iodolactone as an esterifying derivative in the preparation of lactonyl esters of cephalosporins substantially reduces double bond migration during the esterification reaction.

REFERENCES:
patent: 3919196 (1975-11-01), Ferres et al.

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