A new series of 2- and/or 3-substituted pyrazolo [5,1-c][benzotriazine 5-oxides and their 8-chloro derivatives were synthesized, and their benzodiazepine receptor (BZR) affinities were evaluated in vitro in comparison to lead compound 3-ethoxycarbonyl-8-chloropyrazolo[5,1-c][1,2,4]benzotriazine 5-oxide (29) [1,2]. None of the new compounds showed significant affinity for BZR. On the basis of a pharmacophore/receptor model suggested for lead compound 29, some hypotheses to explain the inactivity of new derivatives are discussed.

Benzodiazepine receptor ligands III. Synthesis and biological evaluation of 2- and/or 3-substituted pyrazolo[5,1-c][1,2,4]benzotriazine 5-oxides / Guerrini G.; Costanzo A.; Bruni F.; Ciciani G.; Selleri S.; Gratteri P.; Costa B.; Martini C.; Lucacchini A.. - In: IL FARMACO. - ISSN 0014-827X. - ELETTRONICO. - 54:(1999), pp. 375-389. [10.1016/S0014-827X(99)00044-0]

Benzodiazepine receptor ligands III. Synthesis and biological evaluation of 2- and/or 3-substituted pyrazolo[5,1-c][1,2,4]benzotriazine 5-oxides

Costanzo A.;Bruni F.;Ciciani G.;Selleri S.;Gratteri P.;
1999

Abstract

A new series of 2- and/or 3-substituted pyrazolo [5,1-c][benzotriazine 5-oxides and their 8-chloro derivatives were synthesized, and their benzodiazepine receptor (BZR) affinities were evaluated in vitro in comparison to lead compound 3-ethoxycarbonyl-8-chloropyrazolo[5,1-c][1,2,4]benzotriazine 5-oxide (29) [1,2]. None of the new compounds showed significant affinity for BZR. On the basis of a pharmacophore/receptor model suggested for lead compound 29, some hypotheses to explain the inactivity of new derivatives are discussed.
1999
54
375
389
Guerrini G.; Costanzo A.; Bruni F.; Ciciani G.; Selleri S.; Gratteri P.; Costa B.; Martini C.; Lucacchini A.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/1175690
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