Phenylsulfonamide-phenylethylamines useful as dopamine...

C - Chemistry – Metallurgy – 07 – C

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C07C 311/21 (2006.01) A61K 31/18 (2006.01) C07C 311/29 (2006.01) C07C 311/44 (2006.01) C07C 311/46 (2006.01)

Patent

CA 2327345

Compounds of formula (I) and their pharmaceutically acceptable slats having selective dopamine D3 receptor activity suitable for treating central nervous system disorders. In formula (I) R1 is independently H or a C1-C8 alkyl including isomeric forms thereof; R2 is H, C1-C3 alkyl, a halogen, OCH3, OCF3, CF3, CN, SCH3 or NHCOCH3; and R3 is H, C1-C3 alkyl, a halogen, OCH3, OCF3, CF3, CN, SCH3 or NHCOCH3.

Cette invention a trait à des composés correspondant à la formule (I) ainsi qu'à leurs sels, acceptables du point de vue pharmaceutique, qui, ayant une activité sélective de récepteur de la dopamine D3, conviennent du mieux au traitement de troubles du système nerveux central. Dans la formule (I) R¿1? représente de manière indépendante H ou un alkyle portant de 1 à 8 atomes de carbone, y compris ses isomères, R¿2? représente H, un alkyle portant de 1 à 3 atomes de carbone, un halogène, OCH¿3?, OCF¿3?, CF¿3?, CN, SCH¿3? ou NHCOCH¿3? et R¿3? représente H, un alkyle portant de 1 à 3 atomes de carbone, un halogène, OCH¿3?, OCF¿3?, CF¿3?, CN, SCH¿3? ou NHCOCH¿3?.

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