Cephalosporins, processes for their preparation and their...

Details Cephalosporins, processes for their preparation and their... Cephalosporins, processes for their preparation and their...

C - Chemistry, Metallurgy

07

D

260/104.3

C07D 501/36 (2006.01) A23K 1/17 (2006.01) A61K 31/545 (2006.01) C07D 501/04 (2006.01) C07D 501/06 (2006.01) C07D 501/60 (2006.01)

Patent

CA 1084906

Cephalosporins, processes for their preparation and their use as medicaments. Abstract 7- {D-.alpha.- [(2-Oxo-3-methyl- or mesyl-imidazolidan- l-yl)-carbonylamino]-phenylacetamido} -3-[(1-methyl-1,2,3,4- tetrazol-5-yl)- or (2-methyl-1,3,4-thiadazol-5-yl)-thiomethyl]- ceph-3-em-4-carboxylic acids of the formula I Image wherein R1 is methyl or methylsulfonyl, and R2 is 2-methyl-1,3,4-thisdiazol-5-yl or 1-methyl- 1,2,3,4-tetrazol-5-yl, or a salt thereof which possess pharmaceutical, especially anti-bacterial, properties as well as animal growth promoting properties.

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