Title of article
Efficient synthesis of 2-(pyrazol-3-yl)benzimidazoles from 3-arylacylidene-3,4-dihydroquinoxalin-2(1H)-ones and hydrazine hydrate via a novel rearrangement
Author/Authors
Mamedov، نويسنده , , Vakhid A. and Murtazina، نويسنده , , Anna M. and Gubaidullin، نويسنده , , Aidar T. and Hafizova، نويسنده , , Elena A. and Rizvanov، نويسنده , , Il’dar Kh.، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2009
Pages
4
From page
5186
To page
5189
Abstract
A highly efficient method for the synthesis of 2-(pyrazol-3-yl)benzimidazoles has been developed on the basis of the novel ring contraction of 3-arylacylidene-3,4-dihydroquinoxalin-2(1H)-ones with hydrazine hydrate.
Keywords
Dihydroquinoxalin-2(1H)-one , Benzimidazole , Ring contraction , Novel rearrangement , Pyrazolylbenzimidazoles , Hydrazine hydrate
Journal title
Tetrahedron Letters
Serial Year
2009
Journal title
Tetrahedron Letters
Record number
1865704
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