One-pot three-component synthesis of novel spiroindenoquinoxalines
作者:Feiran Chen、Jia Zheng、Mingming Huang、Yiqun Li
DOI:10.1007/s11164-014-1680-z
日期:2015.8
Numerous new spiroindenoquinoxalines containing pyrano groups were synthesized via a one-pot, three-component reaction of indenoquinoxaline, malononitrile with various α-methylenecarbonyl compounds (β-diketones, pyrazolones) catalyzed by triethylamine.