Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 26, Issue 8, Pages 1461-1464Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.200890265
Keywords
benzo[b]furan; gold-catalysis; alkyne hydroxylation; coupling
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Funding
- National Natural Science Foundation of China [20672050, 20021001]
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A strategy concerning the synthesis of 2-substituted benzo[b]furan compounds from o-alkynyl phenols via a gold-catalyzed alkyne hydroxylation is described, which allows the rapid synthesis of various 2-substituted benzo[b]furan derivatives in excellent yields under mild conditions. The o-alkynyl phenol precursors were readily prepared with a Sonogashira coupling reaction.
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