Journal
SYNTHETIC COMMUNICATIONS
Volume 39, Issue 3, Pages 497-505Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00397910802398272
Keywords
Aqueous media; aromatic aldehyde; alpha,alpha-bis(4-hydroxycoumarin-3-yl)toluene; 4-hydroxycoumarin; microwave irradiation
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Funding
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials
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An efficient catalyst-free synthesis of alpha,alpha-bis(4-hydroxycoumarin-3-yl)toluene was performed by the reaction of 4-hydroxycoumarin with aromatic aldehydes in aqueous media under microwave irradiation. The reaction was completed in short reaction time of 8-10 min with high yields of 76-94, was environmental benign, and had easy workup. Their structures were confirmed by IR spectra, H-1 NMR, C-13 NMR, and elemental analysis.
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