Intermediates for cephem compounds

Details Intermediates for cephem compounds Intermediates for cephem compounds

1993-02-23

1994-04-12

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

514202, C07D50118

Patent

active

053027124

ABSTRACT:
The invention relates to compounds, useful as intermediates in the preparation of products of antimicrobial activity, of the formula: ##STR1## wherein R.sup.3 is hydrogen, lower alkyl, hydroxy(lower)alkyl, protected hydroxy(lower)alkyl, amino(lower)alkyl, protected amino (lower) alkyl, carbamoyl)lower)alkyl, N,N-di(lower) alkylcarbamoyl(lower)alkyl or an amino protective group, and

REFERENCES:
patent: 4962100 (1990-10-01), Miyake et al.
patent: 5215982 (1993-06-01), Sakane et al.
patent: 5219848 (1993-06-01), Denneguin et al.

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