Patent ID: 8829009

Claim:
A method for treating obesity or a psychotic disorder, pathogenesis of which is associated with 5-HT 6 receptors, in human or warm blooded animal, comprising administering an effective dose of a compound of formula 1, or a pharmaceutically acceptable salt thereof, to a subject in need thereof, wherein: R 1 and R 3 independently of each other are C 1 -C 3 alkyl or phenyl; R 2 is hydrogen or C 1 -C 3 alkyl; R 4 1 , R 4 2 independently of each other are hydrogen, optionally substituted C 1 -C 3 alkyl or optionally substituted phenyl; or R 4 1 and R 4 2 together with the nitrogen atom they are attached to form optionally substituted heterocyclyl; Ar is aryl selected from phenyl, optionally substituted with R i 5 that is one or two optionally identical substituents selected from hydrogen, lower alkyl, trifluoromethyl or halogen; or an optionally substituted 5-6-membered heteroaryl, containing as the heteroatom nitrogen or sulfur atom.