Journal
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
Volume 30, Issue 12, Pages 2883-2886Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.5012/bkcs.2009.30.12.2883
Keywords
3-Styrylchromone; 3-Formylchromone; [Bmim]OH; Microwave irradiation
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A simple, highly efficient and environmentally benign method for the synthesis of 3-styrylchromones from 3-formylchromones and 4-nitrophenylacetic acid/4-nitrotolune in the presence of catalytic amount of basic ionic liquid 1-butyl-3-methylimidazolium hydroxide [(bmim)OH] carried out under the influence of microwave irradiation. This method gives remarkable advantages such as, short reaction times, simple work-up procedure and moderate to good yields. The ionic liquid was successfully reused for four cycles without significant loss of activity.
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