The compounds of this invention are cephalosporins having various acyl substituents at the 7-position and a sulfonic acid or sulfamoyl substituted tetrazolyl thiomethyl group at the 3-position of the cephem nucleus and intermediates for the preparation thereof. The 7-acylated compounds have antibacterial activity.
本发明的化合物是
头孢菌素,其在7位具有各种酰基取代基,并且在
头孢菌素核的3位有
磺酸或
磺胺基取代的
四唑基
硫甲基基团,并提供其制备的中间体。7-酰化化合物具有抗菌活性。