摘要:
New thiazine derivatives of the formula: wherein R¹ is hydrogen or acyl, R² is hydrogen or lower alkyl, R³ is hydrogen, hydroxy, halogen, lower alkyl or lower alkoxy, Z is taken together with the adjacent carbon atoms to form an unsaturated heterocyclic ring which may be substituted with phenyl, halogen, acyl or lower alkyl, and the heavy solid line means single or double bond, and pharmaceutically accept able salts thereof, and processes for preparation thereof and pharmaceutical composition comprising the same. These derivatives and salts thereof are useful as antiin flammatory, analgesic and antirheumatic agents.