Journal
ORGANIC LETTERS
Volume 13, Issue 21, Pages 5858-5861Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol202478u
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Funding
- National Natural Science Foundation of China [21032007, 21172038]
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science & Technology Normal University
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A novel and efficient pathway for the generation of 3-(benzofuran-3-ylmethylene)benzofuran-2(3H)-ones via a palladium-catalyzed carbonylative reaction of 2-alkynylphenol with carbon monoxide is described. The reaction proceeds through a double insertion of triple bonds during the reaction process. The products are obtained in good yields with high selectivity. A one-pot synthesis starting from 2-iodophenol and Opine Is presented as well.
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