Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1978-02-24
1979-12-25
Wheeler, David
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544 19, 548251, 2603473, C07D50136
Patent
active
041806581
ABSTRACT:
Cephalosporins in a series having the formula ##STR1## wherein R.sup.1 is alkyl containing 1-4 carbon atoms or a nontoxic pharmaceutically acceptable salt thereof, were synthesized and found to be potent antibacterial agents especially when in the form of the syn isomers essentially free of the corresponding anti isomer.
REFERENCES:
patent: 4025626 (1977-05-01), Berges
patent: 4033950 (1977-07-01), Cook et al.
patent: 4079134 (1978-03-01), Berges
patent: 4098888 (1978-07-01), Ochiai et al.
patent: 4146710 (1979-03-01), Naito et al.
Granatek Alphonse P.
Kaplan Murray A.
Nachfolger Solomon J.
Bristol-Myers Company
Taylor, Jr. Herbert W.
Wheeler David
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