Substituted N-arylmethylamino derivatives of cyclobutene-3,4-dio

Details Substituted N-arylmethylamino derivatives of cyclobutene-3,4-dio Substituted N-arylmethylamino derivatives of cyclobutene-3,4-dio

1997-07-07

1998-12-08

Richter, Johann

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

558405, 558408, 558410, 558411, A01N 3734, C07C25558

Patent

active

058469990

ABSTRACT:
The compounds of the formula: ##STR1## wherein R.sub.1 is straight chain alkyl, branched chain alkyl, cycloalkyl, hydroxyalkyl, fluoroalkyl or polyfluoroalkyl; R.sub.2 and R.sub.3 are, independently, hydrogen or an acyl substituent selected from the group consisting of formyl, alkanoyl, alkenoyl, alkoxycarbonyl, alkylsulfonyl, aroyl, arylalkenoyl, arylsulfonyl, arylalkanoyl or arylalkylsulfonyl; or a pharmaceutically acceptable salt thereof, relaxes smooth muscles.

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