Heterocyclic thiomethylation of the 3-position of 7-aminocephalo

Details Heterocyclic thiomethylation of the 3-position of 7-aminocephalo Heterocyclic thiomethylation of the 3-position of 7-aminocephalo

1980-04-07

1983-03-08

Rizzo, Nicholas S.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 21, 544 27, C07D50118

Patent

active

043762000

ABSTRACT:
An improved process for the displacement of the acetoxy group of a 7-aminocephalosporanic acid by a heterocyclic thiol in the presence of sulfuric acid.

REFERENCES:
patent: 3641021 (1972-02-01), Ryan
patent: 4014874 (1977-03-01), Peter et al.
patent: 4144391 (1979-03-01), Hatfield
patent: 4312986 (1982-01-01), Saikawa et al.

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