Process for preparing cephalosporin derivatives

Details Process for preparing cephalosporin derivatives Process for preparing cephalosporin derivatives

Filed on

1974-08-28

Date issued

1977-04-05

Examiner

Rizzo, Nicholas S.

Patent Class

Chemistry of carbon compounds

SubClass

Miscellaneous organic carbon compounds

SubSubClass

C-metal

Other Related Categories

260243C, 2602311, 2603067C, C07D50102

Type

Patent

Status

active

Patent number

040161552

Description

ABSTRACT:
Process for preparing .beta.-lactam antibiotic substances useful as intermediate for various cephalosporin or penicillin derivatives, which comprises oxidation of 7-benzylideneaminocephem or 6-benzylideneaminopenam compounds capable of being converted to their quinoid forms by oxidation followed by reaction with lower alkanols.

REFERENCES:
patent: 3775410 (1973-11-01), Christensen et al.
patent: 3780037 (1973-12-01), Hazen
patent: 3897424 (1975-07-01), Koppel et al.
patent: 3910902 (1975-10-01), Dolfini et al.

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