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Synthesis and spectral determination of new derivatives of 1‐[(p‐substituted)phenyl]‐3a‐[(o‐ and p‐substituted)phenyl]‐5‐chloro‐9‐methylthio‐10,3a‐dihydro‐[1,2,4]‐oxadiazolo[2,3‐b][1,4]benzodiazepines
Authors:Eduardo Cortés  Erik Peréz Ramírez  Olivia García‐Mellado de Cortés
Affiliation:1. Instituto de Química , Universidad Nacional Autónoma de México. Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, México, D.F.;2. F.E.S., Cuautitlán‐UNAM, Av. 1° de Mayo s/n, Campo 1, Cuautitlán Izcalli, Edo. de México 5470;3. México
Abstract:
chemical structure image A new synthesis to obtain eight novel derivatives of 1‐[(p‐substituted)phenyl]‐3a‐[(o‐ and p‐substituted)‐phenyl]‐5‐chloro‐9‐methylthio‐10,3a‐dihydro‐[1,2,4]‐oxadiazolo[2,3‐b][1,4]benzodiazepines with possible biological and pharmacological activity as anxiolytics, hypnotics, anticonvulsants in the central nervous system. The final products were obtained by condensation between 2‐methylthio‐5‐[(o‐; p‐substituted)‐phenyl]‐3H‐7‐chloro‐[1,4]benzodiazepine with benzonitrile oxide generated in situ from benzohydroxamoyl chloride in triethylamine. The structure of all products was corroborated by ir, 1H‐nmr, 13C‐nmr, with experiments bidimensional and ms in low and high resolution.
Keywords:
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