N-ethylidene azetidinones

Details N-ethylidene azetidinones N-ethylidene azetidinones

1982-12-27

1985-08-06

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602454, 2603303, 2603309, 544 60, 544111, 544359, 546208, C07D20508, C07D40106, C07D40312, C07D40306

Patent

active

045334978

ABSTRACT:
N-ethylidene azetidinones are new antibiotic compounds. They are produced from the reaction of a Grignard reagent with a cephalosporin substituted at the 3 position with a chloro, oxy, amino or sulfide moieties.

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patent: 4342685 (1982-08-01), Nagata
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