Preparation of 3-bromomethyl-3-cephem sulfoxides

Details Preparation of 3-bromomethyl-3-cephem sulfoxides Preparation of 3-bromomethyl-3-cephem sulfoxides

1978-08-30

1980-01-08

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

424246, C07D50104

Patent

active

041828704

ABSTRACT:
An improved process for the preparation of 3-bromomethyl-3-cephem sulfoxide derivatives of the formula ##STR1## wherein R.sub.1 is an acylamido group and R.sub.2 is a group protecting the carboxy radical which are valuable intermediates for the preparation of various therapeutically useful cephalosporanic acid derivatives.

REFERENCES:
patent: 4042585 (1977-08-01), Koppel

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