期刊
MOLECULAR DIVERSITY
卷 14, 期 4, 页码 833-839出版社
SPRINGER
DOI: 10.1007/s11030-009-9207-z
关键词
Electrocatalysis; Multicomponent reactions; Pyranoquinoline; Spirooxindole; Isatin; C-H acids
类别
资金
- Russian Foundation for Basic Research [09-03-00003a]
- Leading Science Schools of Russian Federation [5022.2006.3]
Electrochemically induced catalytic multicomponent transformation of isatins, 4-hydroxyquinolin-2(1H)-one and malononitrile in ethanol in an undivided cell in the presence of sodium bromide as an electrolyte results in the formation of spirooxindoles with fused functionalized indole-3,4'-pyrano[3,2-c]quinoline] scaffold in 75-91% substance yields and 500-600% current yield. The developed efficient electrocatalytic approach to medicinally relevant [indole-3,4'-pyrano[3,2-c]quinoline] scaffold is beneficial from the viewpoint of diversity-oriented large-scale processes and represents a novel example of facile environmentally benign synthetic concept for electrocatalytic multicomponent reactions.
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