The compounds of this invention are cephalosporins having various acyl substituents at the 7-position and a 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.
这项发明的化合物是
头孢菌素,其在7位具有不同的酰基取代基和在头孢环上的3位有取代的
四唑硫甲基基团,同时也提供了其制备的中间体。7-酰化的化合物具有抗菌活性。