.beta.-lactam compounds, their production and their...

Details .beta.-lactam compounds, their production and their... .beta.-lactam compounds, their production and their...

C - Chemistry, Metallurgy

07

D

260/102, 260/111

C07D 499/70 (2006.01) C07D 231/12 (2006.01) C07D 277/20 (2006.01) C07D 277/48 (2006.01) C07D 307/54 (2006.01) C07D 499/00 (2006.01) C07D 501/20 (2006.01)

Patent

CA 1122593

ABSTRACT OF THE DISCLOSURE 2-Hetero-acetamido-penicillanates and cephalosporinates of the formula Image in which R is hydrogen or lower alkoxy, Z is Image Image or R1 and R2 independently or together are various radicals, A is -CH2-CH2-,-CH2-CH2-CH2- or Image n is 1 or 2, X is S,O,SO,SO2 or -CH2-, Y is the balance of a penicillin or cephalosporin moiety, and B is a heterocyclic radical, in the form of the acid, a hydrate thereof, a salt thereof or a salt of the hydrate, exhibit marked anti-bacterial properties rendering them suited for use as antibiotics and animal feed supplements.

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