71053-51-5Relevant academic research and scientific papers
Antibacterial agents, and 4-thio azetidinone intermediates
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, (2008/06/13)
This invention relates to 2-substituted and 2,6-disubstituted penem compounds of the formula STR1 wherein Y is hydrogen, halo or certain organic substituents and X represents certain organic substituents. Also included in the invention are pharmaceutically acceptable salts of the above compounds and derivatives of the above compounds in which the carboxyl group at the 3-position is protected as by an easily removable ester protecting group. The compounds of the present invention are potent antibacterial agents or are of use as intermediates in the preparation of such agents.
2-Methylpenem-3-carboxylic acid antibiotics
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, (2008/06/13)
There is described the preparation of novel 2-penem-3-carboxylic acid compounds having the formula STR1 and easily cleavable esters and carboxylic acid salts thereof. The compounds of formula I, particularly the dextrorotatory isomers thereof, are potent
