Synthesis of cephalosporins with substituted thiadiazoles directly attached to the C3-position. I. Synthesis of 3-(5-substituted-1,3,4-thiadiazol-2-yl)ceph-3-em derivatives.
Synthesis of cephalosporins with substituted thiadiazoles directly attached to the C3-position. I. Synthesis of 3-(5-substituted-1,3,4-thiadiazol-2-yl)ceph-3-em derivatives.