Pyrazoles as Building Blocks in Heterocyclic Synthesis: Synthesis of Some New Substituted 1-Triazinylpyrazolo[3,4-d]pyrimidine and 1-Triazinylpyrazolo[3,4-b]pyridine Derivatives

Harb, A.-F. A., Abbas, H. H. and Mostafa, F. H. Pyrazoles as Building Blocks in Heterocyclic Synthesis: Synthesis of Some New Substituted 1-Triazinylpyrazolo[3,4-d]pyrimidine and 1-Triazinylpyrazolo[3,4-b]pyridine Derivatives Chemical Papers, Vol.59, No. 3, 2005, 187-195

Document type: Článok z časopisu / Journal Article
Collection: Chemical papers  
 
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Author(s) Harb, A.-F. A.
Abbas, H. H.
Mostafa, F. H.
Title Pyrazoles as Building Blocks in Heterocyclic Synthesis: Synthesis of Some New Substituted 1-Triazinylpyrazolo[3,4-d]pyrimidine and 1-Triazinylpyrazolo[3,4-b]pyridine Derivatives
Journal name Chemical Papers
Publication date 2005
Year available 2005
Volume number 59
Issue number 3
ISSN 0366-6352
Start page 187
End page 195
Place of publication Poland
Publisher Versita
Collection year 2005
Language english
Subject 250000 Chemical Sciences
250300 Organic Chemistry
Abstract/Summary Several new pyrazolo[3,4-d]pyrimidines and pyrazolo[3,4-b]pyridine derivatives were prepared by condensation of 5-amino-1-(5,6-diphenyl-1,2,4-triazin-3-yl)-1H-pyrazole-4-carbonitrile with succinic anhydride, acetic anhydride, γ-chlorobutyl chloride, succinyl chloride, formic acid—formamide mixture, formamide, and active methylene reagents such as malononitrile, ethyl cyanoacetate, and ethyl acetoacetate under different reaction conditions.
 
 
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