Imidazo[1,2-b]pyridazines. XVII. Synthesis and Central Nervous System Activity of Some 6-(Alkylthio and chloro)-3-(methoxy, unsubstituted and benzamidomethyl)-2-arylimidazo[1,2-b]pyridazines Containing Methoxy, Methylenedioxy and Methyl Substituents
- 1 January 1994
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 47 (11) , 2001-2012
- https://doi.org/10.1071/ch9942001
Abstract
Syntheses are reported for 6-( methylthio, ethylthio, propylthio, substituted benzylthio and chloro )-3-( methoxy, unsubstituted and benzamidomethyl )-2-arylimidazo[1,2-b] pyridazines containing methoxy, methylenedioxy and methyl groups attached to phenyl substituents . In tests of the ability of these compounds to displace [3H]diazepam from rat brain membranes, 3-methoxy-6-(3′,4′-methylenedioxybenzylthio)-2- (3′,4′-methylenedioxyphenyl) imidazo [1,2-b] pyridazine (IC50 1 nM) bound most strongly; methylenedioxy groups were beneficial to activity whereas polymethoxy or dimethyl substituents were generally detrimental.Keywords
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