期刊
SYNTHETIC COMMUNICATIONS
卷 43, 期 2, 页码 169-181出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2011.594544
关键词
Arylboronic acids; Chan-Lam protocol; coumarin; cross-coupling reactions; Cu(OAc)(2)
资金
- University Grants Commission
- University of Calcutta
- Council of Scientific and Industrial Research, New Delhi, India [09/028(792)/2010 EMR-I]
A convenient protocol for the efficient synthesis of aryloxycoumarins and (aryloxyimino) ethylcoumarins is described. The synthetic route developed involves the Cu-promoted C-O and N-O coupling reactions from readily available hydroxycoumarin and (hydroxyimino)ethylcoumarin derivatives in the presence of the catalytic system Cu(OAc)(2)/Et3N. By applying this condition, a series of arylboronic acids have been successfully reacted to afford the coupled products in fair to good yields.
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