7-(D,L-alpha-fluoro-2-thienylacetamido)cephalosporanic acid (L 14655), a new semisynthetic cephalosporin. Synthesis and preliminary biological evaluation.

Abstract

We describe the synthesis and some preliminary antimicrobial and enzymatic properties of 7-(D,L-alpha-fluoro-2-thienylacetamido)cephalosporanic acid (L 14655), a fluorinated derivative of cephalothin. L 14655 had antimicrobial activity similar to that of cephalothin. Cell-free studies demonstrated that L 14655 was very stable to hydrolysis by type Ia beta… (More)

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