Citation: YingXiao Zong, Yan Zhao, WenCai Luo, Xing Hai Yu, Jun Ke Wang, Yi Pan. Highly efficient synthesis of 2,3-dihydroquinazolin-4 (1H)-ones catalyzed by heteropoly acids in water[J]. Chinese Chemical Letters, ;2010, 21(7): 778-781. doi: 10.1016/j.cclet.2010.03.022 shu

Highly efficient synthesis of 2,3-dihydroquinazolin-4 (1H)-ones catalyzed by heteropoly acids in water

YingXiao Zong ^a, ,
Yan Zhao ^a ,
WenCai Luo ^a ,
Xing Hai Yu ^a ,
Jun Ke Wang ^a,b ,
Yi Pan ^b

a Key Laboratory of Resources and Environment, Chemistry of West China, Hexi University, Zhangye 734000, China;
b School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China

Received Date: 20 October 2009

Fund Project: We gratefully acknowledge the financial support of Key Laboratory of Resources and Environment Chemistry of West China (No. XZ0704).

Heteropoly acids efficiently catalyzed the cyclocondensation reaction of anthranilamide with aldehydes in water at ambient temperature and afforded the corresponding 2,3-dihydro-4 (1H)-quinazolinones compounds in good to excellent yields. This method provides mild reaction conditions and clean reaction profiles, using a small quantity of catalyst and a simple workup procedure.
- Heteropoly acid,
- 2,3-Dihydroquinazolin-4 (1H)-ones,
- Water
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