This invention is related to novel aminoalkyl- and amidoalkyl-benzopyran derivatives of the following general formula (I) ##STR00001## wherein: the group ##STR00002## is a substituent in position 6 or 7 wherein: R is an aromatic mono- or bi-cyclic carbocyclic ring or a mono- or bi-cyclic heterocyclic ring radical, said rings being optionally substituted by one or two substituents selected from (C.sub.1-C.sub.5) straight or branched alkyl, (C.sub.1-C.sub.5) straight or branched alkoxy, hydroxy, halogen and trifluoromethyl; m is zero or an integer from 1 to 3; n, p, R.sub.1 and R.sub.2 are as herein indicated and R.sub.3 and R.sub.4 are both hydrogen or taken together represent an oxygen atom, and the pharmaceutically acceptable salts thereof. The compounds that are active as selective and reversible MAO-B inhibitors in vitro and in vivo, are useful as medicaments for the prevention and the treatment of CNS degenerative disorders.

 
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