期刊
TETRAHEDRON LETTERS
卷 52, 期 47, 页码 6271-6274出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.09.082
关键词
Chromones; Active methylene compounds; 2-Pyridones; 6H-Benzo[c]chromen-6-one; Trifluoromethylated heterocycles
资金
- Russian Foundation for Basic Research [11-03-00126]
While 2-(trifluoromethyl)chromones react with cyanoacetamides in the presence of sodium ethoxide to produce 6-(2-hydroxyary1)-4-(trifluoromethyl)-2-oxo-1,2-dihydropyridine-3-carbonitriles, their reactions with ethyl cyanoacetate and diethyl malonate under the same conditions took an entirely different course and gave novel functionalized derivatives of 6H-benzo[c]chromen-6-one. (C) 2011 Elsevier Ltd. All rights reserved.
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