Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1976-03-08
1978-05-09
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
424246, C07D50136
Patent
active
040888150
ABSTRACT:
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, cycloalkyl, cycloalkenyl, cycloalkadienyl, phenyl, phenyl-lower alkyl and substituted phenyl and phenyl-lower alkyl; R.sub.2 is hydrogen or lower alkyl; R.sub.3 is hydrogen, lower alkyl, phenyl-lower alkyl, substituted phenyl-lower alkyl, diphenyl-lower alkyl, tri(lower alkyl)stannyl, tri(lower alkyl)silyl, a salt forming ion, or the group ##STR2## wherein R is lower alkyl, phenyl, phenyl-lower alkyl, or substituted phenyl and phenyl-lower alkyl; and R.sub.4 represents certain heterocyclic groups are disclosed. These compounds are useful as antibacterial agents.
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Breuer Hermann
Treuner Uwe D.
Daus Donald G.
Davis Stephen B.
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
Smith Merle J.
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