90181-37-6Relevant articles and documents
N-TETRAZOLYL BETA-LACTAMS
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, (2008/06/13)
N-tetrazolyl beta-lactams of the Formula: and the pharmaceutically acceptable salts thereof wherein R2 is hydrogen, alkyl having 1 to 6 carbon atoms or carboalkoxy having 2 to 7 carbon atoms; and Z is and W is thus forming a zwitterion, or Z is wherein R1 is benzyl, phenyloxymethyl or wherein Y is alkoxy or substituted alkoxy having 1 to 6 carbon atoms wherein the substituent on the alkoxy group is --COOH; and W is wherein R3 is H, M or --CH2COOM, wherein M is a pharmaceutically acceptable cation are disclosed. The compounds are useful as antibiotics