Propenyl cephalosporin derivatives and process for the manufacture thereof
AssigneeBasilea Pharmaceutica AG
InventorsPeter Angehrn, Erwin Götschi, Ingrid Heinze-Krauss, Hans G. F. Richter
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AssigneeBasilea Pharmaceutica AG
InventorsPeter Angehrn, Erwin Götschi, Ingrid Heinze-Krauss, Hans G. F. Richter
Estimating the term…
Disclosed are cephalosporin derivatives of the general formula wherein R is an organic residue with a molecular weight not exceeding 400 bonded to the adjacent sulphur atom via carbon and consisting of carbon, hydrogen, and optional oxygen, sulfur, nitrogen and/or halogen atoms; R1 is hydrogen, lower alkyl or phenyl; and A is a secondary, tertiary or quaternary nitrogen atom bound directly to the propenyl group and being substituted by an organic residue with a molecular weight not exceeding 400 and consisting of carbon, hydrogen, and optional oxygen, sulfur, nitrogen and/or halogen atoms, as well as readily hydrolyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts.
A compound having the formula
A compound of the formula
A compound of the formula
A compound which is (E)-(6R,7R)-7-[2-(benzothiazol-2-ylsulfanyl)-acetylamino]-8oxo-3-[3-(1-carboxylatomethyl)-1,4-diazonia-bicyclo[2.2.2]octan-4-yl)-propenyl]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylate.
A compound of the formula
Dependencies are inferred from the claim text.