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位具有不同的酰基取代基和在头孢烯核的3位具有
磺酸或磺酰基取代的
四唑硫甲基基团,并且还包括其制备的中间体。这些7-酰化化合物具有抗菌活性。