Cephalosporins having a sulfur-containing functional group of the formula ##STR1## present at the carbon atom directly bonded to the thienyl or furyl group in the side chain of the 7-position of cephem derivatives. These compounds are useful as anti-bacterial agents against Gram-positive and Gram-negative bacteria.
头孢菌素衍
生物7-位置侧链中与
噻吩基团或
呋喃基团直接相连的碳原子处具有含
硫官能团(式子如上)。这些化合物可用作抗革兰氏阳性和阴性细菌的抗菌剂。