Published in
Royal Society of Chemistry, Organic and Biomolecular Chemistry, 20(19), p. 4577-4584, 2021
DOI: 10.1039/d1ob00513h
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Acid-catalyzed [2 + 2 + 2] cycloaddition of two cyanamides and one ynamide: highly regioselective synthesis of 2,4,6-triaminopyrimidines
Journal article published in 2021 by
Alexey Y.-U. Dubovtsev 
,
Valeria V. Zvereva ,
Nikolay V. Shcherbakov ,
Dmitry V. Dar'in ,
Alexander S. Novikov ,
Vadim Y.-U. Kukushkin
,
Valeria V. Zvereva ,
Nikolay V. Shcherbakov ,
Dmitry V. Dar'in ,
Alexander S. Novikov ,
Vadim Y.-U. Kukushkin
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Abstract
Triflic acid (10 mol%) catalyzes the highly regioselective [2 + 2 + 2] cycloaddition between two cyanamides and one ynamide to grant the 2,4,6-triaminopyrimidine core.