1,3-dithietane-2-carboxylic acid penicillin and cephalosporin de

Details 1,3-dithietane-2-carboxylic acid penicillin and cephalosporin de 1,3-dithietane-2-carboxylic acid penicillin and cephalosporin de

1989-12-08

1991-12-24

Dees, Jose G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540221, 540227, 540228, 540314, 540316, 540327, 546284, 548142, 548187, 548213, 548229, 548251, 548255, 549 59, 549 89, C07D50136, C07D49976

Patent

active

RE0337781

ABSTRACT:
Substituted 1,3-dithietane-2-carboxylic acid derivatives useful as intermediates for the preparation of highly effective penicillin and cephalosporin derivatives and the preparation thereof.

REFERENCES:
patent: 3775299 (1973-08-01), Weisbach
patent: 4001218 (1977-01-01), Schmidt et al.
patent: 4263432 (1981-04-01), Iwanami et al.

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