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1-Aza-2-alkyl-6-aryl-cycloalkanes usefull as memory enhancers

Abstract : 1-Aza-2-alkyl-6-aryl cycloalkanes (I) are new. 1-Aza-2-alkyl-6-aryl cycloalkanes of formula (I), their isomers and acid addition salts, are new. n = 0 or 1; R1 = H, aryl-1-6C alkyl, 1-6C alkyl or acyl, 1-6C alkoxycarbonylaryl-1-6C alkoxy carbonyl, or CF3; R2 = 1-6C alkyl; X = O, Cl, OR3, SR4, or NOR5; R3 = H, 1-6C alkyl or acyl, 1-6C alkoxycarbonyl, or aryl 1-6C alkoxycarbonyl; R4 = H, 1-6C alkyl, or aryl; R5 = H, 1-6C alkyl(optionally substituted by one or more groups selected from OH, amino that may be substituted by one or two alkyl groups, or 1-6C alkoxy; the dotted line = an optional bond; and Ar = aryl or heteroaryl; with the proviso that (I) is not any of the following: 6-methyl-2-phenyl-2,3-dihydro-4-pyridinone; 2-methyl-6-phenyl-4-piperidinone; N-benzyl-2-(R'2)-6-phenyl-4-piperidinones where R'2 is methyl, ethyl, propyl, or isopropyl; or 2-(R2)-6-phenyl-4-piperidinols where R2 is isopropyl or butyl.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02042940
Contributor : Université Normandie <>
Submitted on : Wednesday, February 20, 2019 - 4:31:48 PM
Last modification on : Saturday, February 29, 2020 - 4:00:06 PM

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  • HAL Id : hal-02042940, version 1

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Sylvain Rault, Olivier Renault, Jean Guillon, Patrick Dallemagne, Pierre Renard, et al.. 1-Aza-2-alkyl-6-aryl-cycloalkanes usefull as memory enhancers. France, Patent n° : EP1050530 (A1). 2000. ⟨hal-02042940⟩

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