Thiazine derivatives. 3. The synthesis of some 2-substituted 5,6-dihydro-1,3(4H)-thiazines and tetrahydro-1,3-thiazines related to cephams.
D002511:Cephalosporins; D055598:Chemical Phenomena; D002621:Chemistry; D013843:Thiazines
D002511:Cephalosporins; D013843:Thiazines