期刊
ELECTROCHIMICA ACTA
卷 53, 期 28, 页码 8346-8350出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2008.06.044
关键词
electrolysis; electrocatalysis; spiroheterocycles; multicomponent reactions; cyclization; spiro[indole-3,5'-pyrano[2,3-d]pyrimidines]
资金
- Russian Foundation [06-03-32181a]
- Presidential Scholarship Program [5022.2006.3]
Electrochemically induced catalytic multicomponent transformation of isatins, barbituric acid or N-alkyl barbiturates and malononitrile in alcohols in an undivided cell results in the formation of substituted 7'-amino-2,2'.4'-trioxo-1,1',2,2',3'.4'-hexahydrospirolindole-3.5'-pyrano[2.3-d]pyrimidine]-6'-carbonitriles in 80-95% yields. The developed efficient electrocaralytic approach to corresponding spiro[indole-3,5'-pyratio[2,3-d]pyrimidine] system is beneficial from the viewpoint of diversity-oriented large-scale processes and represents a new example of the ecologically pure synthetic concept for electrocatalytic multicomponent reactions strategy. (c) 2008 Elsevier Ltd. All rights reserved.
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