Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1986-01-23
1987-05-26
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
540228, C07D50120, A61K 31545
Patent
active
046687831
ABSTRACT:
Novel cephem compounds of the formula: ##STR1## wherein R.sup.4 is a residue of a nucleophilic compound selected from hydroxyl, mercapto, cyano, azido, amino, carbamoyloxy, carbamoylthio and thiocarbamoyloxy, said group being unsubstituted or substituted by alkyl of up to three carbons, and R.sup.5 is hydroxyl or lower alkoxy, or a pharmaceutically acceptable ester thereof, have strong antibiotic properties against a wide variety of microorganisms.
REFERENCES:
patent: 4380541 (1981-04-01), Ochiai et al.
patent: 4520194 (1985-05-01), Ochiai et al.
Aki Osami
Kawakita Kenji
Matsushita Yoshihiro
Morimoto Akira
Ochiai Michihiko
Rizzo Nicholas S.
Takeda Chemical Industries Ltd.
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