2-(1-(1,3-Thiazolin-2-yl)azetidin-3-yl)thio-carbapenem derivatives

摘要

Novel 3-Mercapto-1-(1,3-thiazolin-2-yl)azetidine derivatives represented by formula (IX) below or acid addition salts thereof wherein R is hydrogen, C1-C7 alkyl group which is unsubstituted or substituted by hydroxy, C1-C7 alkoxy or C1-C7 alkoxy-C1-C7 alkoxy group; group -COOR<1> (R<1> is hydrogen or C1-C7 alkyl group); or group -CONR<2>R<3> (R<2> and R<3> are, independently each other, hydrogen or C1-C7 alkyl and a process for producing these compounds.