Abstract
The non-characterized bromo derivative Ia, obtained by bromination of 4-cyclopentylacetophenone, afforded by substitution reactions with diethylamine, benzylmethylamine, benzylisopropylamine, piperidine, morpholine, 1-methylpiperazine and 1-(2-hydroxyethyl)piperazine the amino ketones IIa-VIIIa which were reduced with lithium aluminium hydride to the aminoalcohols IIb-VIIIb. Compounds IIIb and IVb were debenzylated by catalytic hydrogenation on palladium to the secondary amines IXb and Xb. The compounds prepared have central stimulant effects in higher doses which appears also in the rotarod test and in the evaluation of spontaneous motility. They have mostly a mild spasmolytic effect of the anticholinergic type, some of them bring about local anesthetic and diuretic effects. The adrenolytic and hypotensive effects were found only with single compounds.
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