Heteroarenobenzodiazepines. Part 7. Synthesis and pharmacological evaluation of a series of 4-piperazinylpyrazolo [3, 4-b] and [4, 3-b][1, 5] benzodiazepines as …

JK Chakrabarti, TM Hotten, IA Pullar…

Index: Chakrabarti, Jiban K.; Hotten, Terrence M.; Pullar, Ian A.; Tye, Nicholas C. Journal of Medicinal Chemistry, 1989 , vol. 32, # 12 p. 2573 - 2582

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Abstract

The synthesis and pharmacological evaluation of a series of pyrazolo [b][1, 5] benzodiazepines are described. Some of the 4-piperazinyl-2, 10-dihydropyrazolo [3, 4b][1, 5] bediazepine derivatives demonstrated potent anxiolytic activity in the three-part operant anticonflict test in rats. Compounds 21 and 30 were more active than the clinically effective anxiolytic chlordiazepoxide in releasing conflict-suppressed behavior. This study shows a ...