3-Nitrooxycepham compounds and process for preparing desacetoxyc

Details 3-Nitrooxycepham compounds and process for preparing desacetoxyc 3-Nitrooxycepham compounds and process for preparing desacetoxyc

1974-03-27

1976-06-08

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, 424271, 2602391, C07D49904, C07D 501

Patent

active

039622266

ABSTRACT:
A 3.alpha.-methyl-3.beta.-halocepham compound and/or a 2.alpha.-methyl-2.beta.-halomethylpenam compound is converted to a mixture comprising a 3-methyl-3-cephem (desacetoxycephalosporin), a 3.alpha. -methyl-3.beta.-nitrooxycepham, and a 2.alpha.-methyl-2.beta.-nitrooxymethylpenam by reaction of said halocepham compound and/or said halomethylpenam compound with silver nitrate. The novel 3-nitrooxycepham compound upon heating is converted to a desacetoxycephalosporin.

REFERENCES:
patent: 3852282 (1974-12-01), Dolfini

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