Preparation of desacetoxy-cephalosporin sulfoxides from penicill

Details Preparation of desacetoxy-cephalosporin sulfoxides from penicill Preparation of desacetoxy-cephalosporin sulfoxides from penicill

1974-07-11

1976-06-01

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50110

Patent

active

039608514

ABSTRACT:
A penicillin sulfoxide ester is reacted with sulfuryl chloride at a temperature of from about 75.degree.C. to about 120.degree.C. to produce a novel 2-chlorosulfinyl-azetidin-4-one intermediate, which intermediate is treated with an alkaline reagent to produce a desaceetoxycephalosporin sulfoxide.

REFERENCES:
patent: 3819622 (1974-06-01), Cowley et al.
patent: 3843637 (1974-10-01), Rubinfeld et al.

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