Novel .beta.-lactam antibiotics

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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514196, 514201, 514202, 514203, 514205, 514206, 540221, 540222, 540227, 540228, 540328, A61K 3143, A61K 31545, C07D50122, C07D49970

Patent

active

047481633

ABSTRACT:
Antibacterially active and animal growth-promoting novel .beta.-lactam compounds of the formula ##STR1## in which R.sup.1 represents the radical ##STR2## Y representing N or CR.sup.9, or Y--R.sup.7 representing >C.dbd.O or >C.dbd.N--R.sup.7,

REFERENCES:
patent: 3080356 (1963-03-01), Catlin et al.
patent: 4317775 (1982-03-01), Burri et al.
patent: 4395412 (1983-07-01), Saikawa et al.
patent: 4461767 (1984-07-01), Breuer et al.
patent: 4496560 (1985-01-01), Farge et al.
patent: 4537886 (1985-08-01), Taylor et al.

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