1-Pyrrolidine acetamides

Details 1-Pyrrolidine acetamides 1-Pyrrolidine acetamides

1983-06-20

1984-10-09

Bond, Robert T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

42424854, 424250, 424267, 424274, 544141, 544372, 548406, 548318, 548544, C07D40112

Patent

active

044763085

ABSTRACT:
Pyrrolidine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen or lower alkanoyl, R.sup.2 is hydrogen or lower alkyl and R.sup.3 is hydrogen, lower alkyl or a group of the formula --(CH.sub.2).sub.n --NR.sup.4 R.sup.5, wherein n is a whole number of 2 to 4 and R.sup.4 and R.sup.5 each, independently, are hydrogen or lower alkyl, or R.sup.4 and R.sup.5 taken together with the nitrogen atom are a pyrrolidinyl, piperidinyl, piperazinyl or morpholinyl group which is optionally substituted by one or two lower alkyl groups, enantiomers thereof, and acid addition salts of compounds of formula I and their enantiomers which are basic, are useful in the control or prevention of cerebral insufficiency or in the improvement of intellectual capacity. The compounds of formula I of the invention can be prepared starting from starting materials hereinafter described, and are useful as medicaments, for example, in the form of pharmaceutical preparations.

REFERENCES:
patent: 4118396 (1978-10-01), Pifferi et al.
patent: 4145347 (1979-03-01), L'Italien et al.
patent: 4173569 (1979-11-01), Banfi et al.
patent: 4372960 (1983-02-01), L'Italien et al.

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