Literature DB >> 21900031

High regioselective ultrasonic-assisted synthesis of 2,7-diaryl-4,7-dihydropyrazolo[1,5-a]pyrimidine-5-carboxylic acids.

Valentin A Chebanov1, Yana I Sakhno, Sergey M Desenko.   

Abstract

New and high regioselective method of the synthesis of 2,7-diaryl-4,7-dihydropyrazolo[1,5-a]pyrimidine-5-carboxylic acids by reaction of 3-aryl-5-aminopyrazoles with arylidenpyruvic acid at room temperature under ultrasonication was developed and discussed.
Copyright © 2011 Elsevier B.V. All rights reserved.

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Year:  2011        PMID： 21900031     DOI： 10.1016/j.ultsonch.2011.08.003

Source DB:  PubMed          Journal:  Ultrason Sonochem        ISSN： 1350-4177            Impact factor:   7.491


  2 in total

1.  The unexpected influence of aryl substituents in N-aryl-3-oxobutanamides on the behavior of their multicomponent reactions with 5-amino-3-methylisoxazole and salicylaldehyde.

Authors:  Volodymyr V Tkachenko; Elena A Muravyova; Sergey M Desenko; Oleg V Shishkin; Svetlana V Shishkina; Dmytro O Sysoiev; Thomas J J Müller; Valentin A Chebanov
Journal:  Beilstein J Org Chem       Date:  2014-12-17       Impact factor: 2.883

2.  Ultrasonic-assisted unusual four-component synthesis of 7-azolylamino-4,5,6,7-tetrahydroazolo[1,5-a]pyrimidines.

Authors:  Yana I Sakhno; Maryna V Murlykina; Oleksandr I Zbruyev; Anton V Kozyryev; Svetlana V Shishkina; Dmytro Sysoiev; Vladimir I Musatov; Sergey M Desenko; Valentyn A Chebanov
Journal:  Beilstein J Org Chem       Date:  2020-02-27       Impact factor: 2.883
  2 in total

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