Process for the preparation of derivative of 7-[(2-hydroxyimino)

Details Process for the preparation of derivative of 7-[(2-hydroxyimino) Process for the preparation of derivative of 7-[(2-hydroxyimino)

1990-10-10

1992-10-27

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540225, 540227, 540230, C07D50120, A61K 31545

Patent

active

051590700

ABSTRACT:
A novel process for the preparation of syn isomers of cephalosporanic acid derivatives of the formula ##STR1## comprising reacting first in a solvent and optionally in the presence of a base, a compound of the formula ##STR2## with a compound of the formula

REFERENCES:
patent: 4287193 (1981-09-01), Heymes et al.
patent: 4507293 (1985-03-01), Takaya et al.

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