Synthesis of dehydrothiazines related to deacetylcephalosporin lactones. An alternate total synthesis of deacetylcephalosporin lactones.
D002511:Cephalosporins / Q000138:chemical synthesis; D007783:Lactones / Q000138:chemical synthesis*; D013843:Thiazines / Q000138:chemical synthesis*
D002511:Cephalosporins; D007783:Lactones; D013843:Thiazines