Process for the preparation of cephalosporin compounds

Details Process for the preparation of cephalosporin compounds Process for the preparation of cephalosporin compounds

1979-09-20

1981-03-24

Coughlan, Jr., Paul M.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 21, C07D50102

Patent

active

042581834

ABSTRACT:
A process for the preparation of a 3-carbamoyloxymethyl cephalosporin compound which comprises hydrolyzing a 3-phosphonocarbamoyloxymethyl cephalosporin compound. The hydrolysis is preferably effected at a pH in the range of pH3 to 4, for example using aqueous sodium hydrogen carbonate.

REFERENCES:
patent: 3355452 (1967-11-01), Urech et al.
patent: 3875152 (1975-04-01), Sellstedt
patent: 3905967 (1975-09-01), Webber
patent: 4043991 (1977-08-01), Hamma et al.
Shokol et al., Chemical Abstracts, vol. 73, 14927b (1970).
Cotton et al., Advanced Inorganic Chemistry, (1967) pp. 506-508.

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