Crystalline cephem carboxylic acid addition salt

Details Crystalline cephem carboxylic acid addition salt Crystalline cephem carboxylic acid addition salt

1987-09-23

1988-12-13

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540222, C07D50146, A61K 31545

Patent

active

047911964

ABSTRACT:
A storage stable form of the crystalline sulfate of 7-[2-(2-aminothiazol-4-yl)-(Z)-2-methoxyiminoacetamido]-3-[5-(2-hydroxyeth yl)-4-methylthiazoliomethyl]-3-cephem-4-carboxylate has a specified X-ray diffraction pattern and is prepared by adding aqueous sulfuric acid to an aqueous solution of the compound under controlled conditions.

REFERENCES:
patent: 4665066 (1987-05-01), Morin

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