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Benzodiazepine receptor ligands. 8: synthesis and pharmacological evaluation of new pyrazolo[5,1-c] [1,2,4]benzotriazine 5-oxide 3- and 8-disubstituted: high affinity ligands endowed with inverse-agonist pharmacological efficacy.

Abstract：

:The synthesis and the binding study of new 3-arylesters and 3-heteroarylpyrazolo[5,1-c][1,2,4]benzotriazine 5-oxide 8-substituted are reported. The nature of these substituents (in terms of lipophilic and electronic features) seems to influence the binding affinity. High-affinity ligands were studied in mice in vivo for their pharmacological effects, considering six potential benzodiazepine actions: anxiolytic-like effects, muscle relaxant effects, motor coordination, anticonvulsant action, spontaneous motor activity, and ethanol-potentiating action. Compounds 4d and 6d showed an inverse-agonist profile. These compounds were evaluated also for their binding at benzodiazepine site on GABAA receptor complex (GABAA/BzR complex) subtype to evaluate their subtype selectivity.

journal_name

Bioorg Med Chem

journal_title

Bioorganic & medicinal chemistry

authors

Guerrini G,Costanzo A,Ciciani G,Bruni F,Selleri S,Costagli C,Besnard F,Costa B,Martini C,De Siena G,Malmberg-Aiello P

doi

10.1016/j.bmc.2005.08.058

subject

Has Abstract

pub_date

2006-02-01 00:00:00

pages

758-75

issue

3

eissn

0968-0896

issn

1464-3391

pii

S0968-0896(05)00836-9

journal_volume

14

pub_type

杂志文章

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