Benzothiazinopyrazoles having pharmacological activity

摘要

1,2 Benzothiazino[3,4-d]pyrazoles of the following general formula I wherein R stands for a linear or branched (C2-4) alkyl chain bearing a substituent of formula in which the R'' radicals may be the same or different and represent hydrogen, (C2-4)alkyl, (C4-7) cycloalkyl or, taken together with the adjacent nitrogen atom, may also represent a saturated, 5 to 7 membered heterocyclic ring containing from one to three heteroatoms independently selected from O,N and S, or R may represent the 1-ethyl-pyrrolidine-2-yl-methyl radical, and R' is hydrogen, a halogen atom or a (C1-4) alkyl radical; methods for their preparation; pharmaceutical compositions containing them. The compounds possess antiinflammatory, antipyretic and analgesic activity.