UN PROCEDIMIENTO PARA PREPARAR NUEVOS DERIVADOS DE CARBAPENEM.

摘要

Compounds of formula (I): (I) (wherein R1 is carboxy, -CONR4R5, cyano or hydroxymethyl, and R2 and R3 are hydrogen, alkyl or substituted alkyl, R4 and R5 being hydrogen or a variety of groups) have good antibiotic activity and reduced renal toxicity.