2-(2-aminothiazol-4-yl)-2-oxoacetic acid derivatives

Details 2-(2-aminothiazol-4-yl)-2-oxoacetic acid derivatives 2-(2-aminothiazol-4-yl)-2-oxoacetic acid derivatives

1993-04-30

1996-01-16

Rizzo, Nicholas

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548152, 548165, C07D27740

Patent

active

054849284

ABSTRACT:
Compound of formula IVe ##STR1## where Het is 2-pyridyl or 2-benzothiazolyl, are useful as acylating agents in preparing 7-[2-(2-amino-4-thiazol)-2-oxoacetyl]-cephalosporin intermediates.

REFERENCES:
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patent: 4563534 (1986-01-01), Sadaki et al.
patent: 4667040 (1987-05-01), Sadaki et al.
patent: 4704457 (1987-11-01), Moniot et al.
patent: 4727154 (1988-02-01), Papenfuhs
patent: 5138049 (1992-08-01), Asher et al.

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