Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1980-04-14
1981-08-25
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
544 27, C07D50136
Patent
active
042859417
ABSTRACT:
Novel cephalosporin compounds of the general formula: ##STR1## wherein R.sub.1 represents a substituted or unsubstituted nitrogen-containing heterocyclic-thio group, R.sub.2 represents hydrogen or hydroxy, and R.sub.3, R.sub.4 and R.sub.5 each represents hydrogen, hydroxy or acyloxy, and their salts, and processes for the preparation thereof. The novel compounds and their salts have antibacterial activity.
REFERENCES:
patent: 4015000 (1977-03-01), Kocsis et al.
patent: 4101661 (1978-07-01), Kaltenbronn et al.
Kanai Takeo
Katsu Kanemasa
Kitoh Kyosuke
Machida Yoshimasa
Nagasu Takeshi
Eisai Co. Ltd.
Rizzo Nicholas S.
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