Title of article
A new strategy for the synthesis of pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidines and pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidines
Author/Authors
Ahmad Sami Shawali، نويسنده , , Hamdi M. Hassaneen، نويسنده , , Nabil Kh. Shurrab، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2008
Pages
5
From page
10339
To page
10343
Abstract
A series of pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidines were prepared via oxidative cyclization of aldehyde N-(1,3-diphenylpyrazolo[3,4-d]pyrimidin-4-yl)hydrazones. Dimroth rearrangement of such a series yielded pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidines.
Keywords
3-e]pyrimidine , Heterocycles , nitrilimines , hydrazones , Dimroth rearrangement
Journal title
Tetrahedron
Serial Year
2008
Journal title
Tetrahedron
Record number
1094738
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