CEPHEM AND PYRROLO[2,1-b][13]THIAZINE-4,6-DIONE RING SYSTEMS CONSTRUCTION FROM 6 BENZOYL-2,3-DIHYDRO-4H-1,3-THIAZINE-4-ONES PREPARED VIA REARRANGEMENT OF 5-BENZOYL-3(2H)-ISOTHIAZOL-3-ONES
CEPHEM AND PYRROLO[2,1-b][13]THIAZINE-4,6-DIONE RING SYSTEMS CONSTRUCTION FROM 6 BENZOYL-2,3-DIHYDRO-4H-1,3-THIAZINE-4-ONES PREPARED VIA REARRANGEMENT OF 5-BENZOYL-3(2H)-ISOTHIAZOL-3-ONES
CEPHEM AND PYRROLO[2,1-b][13]THIAZINE-4,6-DIONE RING SYSTEMS CONSTRUCTION FROM 6 BENZOYL-2,3-DIHYDRO-4H-1,3-THIAZINE-4-ONES PREPARED VIA REARRANGEMENT OF 5-BENZOYL-3(2H)-ISOTHIAZOL-3-ONES