A general and efficient synthesis of substituted furans and dihydrofurans via gold-catalyzed cyclization of (Z)-2-en-4-yn-1-ols
X Du, F Song, Y Lu, H Chen, Y Liu
Index: Du, Xiangwei; Song, Feijie; Lu, Yuhua; Chen, Haoyi; Liu, Yuanhong Tetrahedron, 2009 , vol. 65, # 9 p. 1839 - 1845
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Citation Number: 58
Abstract
A highly efficient Au-catalyzed cyclization of (Z)-enynols that proceeds under mild reaction conditions has been developed. This methodology provides rapid access to substituted furans and stereodefined (Z)-5-ylidene-2, 5-dihydrofurans in a regioselective manner from suitably substituted (Z)-2-en-4-yn-1-ols.
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