Alcohol mediated synthesis of 4-oxo-2-aryl-4H-chromene-3-carboxylate derivatives from 4-hydroxycoumarins

Manoj R. Zanwar, Mustafa J. Raihan, Sachin D. Gawande, Veerababurao Kavala, Donala Janreddy, Chun Wei Kuo, Ram Ambre, Ching-Fa Yao

研究成果: 雜誌貢獻文章同行評審

20 引文 斯高帕斯(Scopus)

摘要

The unusual alcohol mediated formation of 4-oxo-2-aryl-4H-chromene-3- carboxylate (flavone-3-carboxylate) derivatives from 4-hydroxycoumarins and β-nitroalkenes in an alcoholic medium is described. The transformation occurs via the in situ formation of a Michael adduct, followed by the alkoxide ion mediated rearrangement of the intermediate. The effect of the different alcohol and nonalcohol media on the reaction was investigated.

原文英語
頁(從 - 到)6495-6504
頁數10
期刊Journal of Organic Chemistry
77
發行號15
DOIs
出版狀態已發佈 - 2012 八月 3

ASJC Scopus subject areas

  • Organic Chemistry

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