1-phenylalkanone 5-HT.sub.4 receptor ligands
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United States of America Patent
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Jun 9, 1998
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May 31, 1995
filing date -
May 26, 1993
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Abstract
The present invention relates to novel 5-HT.sub.4 receptor ligands which are 1-(5-halo-4-aminophenyl) (C.sub.2-6)alkan-1-one derivatives in which the 5-halo-4-aminophenyl group is substituted at its 2-position with (C.sub.1-4)alkyloxy or phenyl(C.sub.1-4)alkyloxy and optionally substituted at its 3-position with (C.sub.1-4)alkyloxy or substituted at its 2- and 3-positions together with methylenedioxy or ethylenedioxy and the highest numbered carbon of the (C.sub.2-6)alkan-1-one is substituted with di(C.sub.1-4)alkylamino, morpholin-1-yl or pyrrolidin-1-yl or optionally substituted piperidin-1-yl, piperidin-4-yl, azacyclohept-1-yl, azabicyclo?2.2.1!hept-3-yl, azabicylo?2.2.2!oct-3-yl or azabicylo?3.2.2!non-3-yl; and the pharmaceutically acceptable salts, individual isomers and mixtures of isomers and methods of using and making such derivatives.
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