1600519-98-9Relevant academic research and scientific papers
Domino synthesis of fused pyrazolo[5,1-b]quinazolin-9(1H)-ones catalyzed by CuI via subsequent Michael addition and elimination
Zhang, Yan,Xu, Jing,Li, Chao,Wang, Xiang-Shan
, p. 8732 - 8737 (2015)
A Domino reaction of 2-aminobenzohydrazides and 2-bromocinnamaldehydes is treated in the presence of CuI and Cs2CO3, and gives unexpected pyrazolo[5,1-b]quinazolin-9(1H)-one derivatives in good yields. A possible mechanism containing
Copper(I)-catalyzed synthesis of 1-arylpyrazolo[5,1-b]quinazolin-9(1H)-one via intramolecular alkyne hydroamination
Chen, Dong-Sheng,Zhang, Mei-Mei,Li, Yu-Ling,Liu, Yun,Wang, Xiang-Shan
, p. 2889 - 2893 (2014/04/17)
The 1-arylpyrazolo[5,1-b]quinazolin-9(1H)-one derivatives were obtained via intramolecular alkyne hydroamination reaction of 2-amino-N-arylbenzohydrazide and alkynal diethyl acetal in the presence of CuBr and Cs2CO 3. This new proced
