139954-43-1Relevant articles and documents
Base-catalyzed one-pot tandem reaction: An effective strategy for the synthesis of pyrazolo[3,4-d]pyrimidinone derivatives
Liu, Ming-Xing,Li, Jia-Rong,Zheng, Kai,Yao, Huan,Zhang, Qi,Shi, Da-Xin
, p. 7658 - 7662 (2015)
An effective one-pot multicomponent synthesis of pyrazolo[3,4-d]pyrimidinone derivatives through the tandem heterocyclization of hydrazine, methylenemalononitrile and aldehyde has been developed. This highly effective method includes nucleophilic addition
Versatile synthesis of 6-alkyl/aryl-1H-pyrazolopyrimidin-4-ones
Reddy, K Hemender,Reddy, A Panduranga,Veeranagaiah, V
, p. 163 - 166 (2007/10/02)
Condensation of 5-amino-1H-pyrazole-4-carboxamide (1a) with various aromatic aldehydes furnishes 6-substituted-1H-pyrazolepyrimidin-4(5H)-ones (4a-f) via the intermediates 5-(N-arylideneamino)pyrazole-4-carboxamides (3a-f).Compounds 4a-f have also