Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-02-27
1990-09-25
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
540225, C07D50146
Patent
active
049594699
ABSTRACT:
The present invention relates to stable cyrstalline (6R,7R)-7-[(Z)-2-(2-aminothiazol-4-yl)-2-(1-carboxy-1-methylethoxyimino)ac etamido]-3-(5,6-dihydroxy-2-methyl-2-isoindolinium)-3-cephem-4-carboxylate sulfate or its hydrate, a process for production of the compound and (6R,7R)-7-[(Z)-2-(2-aminothiazol-4-yl)-2-(1-carboxyl-1-methylethoxyimino)a cetamido]-3-(5,6-dihydroxy-2-methyl-2-isoindolinium)methyl-3-cephem-4-carbo xylate hydrochloride or its hydrate which is a starting material useful for the production of the desired compound of the present invention.
REFERENCES:
patent: 4677100 (1987-06-01), Nakagawa et al.
The Merch Body, pp. 268, 269 and 270, Tenth Edition, (1983).
Mano Eiichi
Nakagawa Susumu
Nakano Fumio
Ushijima Ryosuke
Yamada Koji
Banyu Pharmaceutical Company, Ltd.
Rizzo Nicholas S.
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