Tetrahedron Letters

One-pot synthesis of indene derivatives by CF 3 SO 3 H-promoted reactions of benzylic alcohols and 1, 3-dicarbonyl compounds

W Zhang, Y Dai, H Zhu, W Zhang

Index: Zhang, Wei; Zhang, Wenxue; Dai, Yisi; Zhu, Haizhen Tetrahedron Letters, 2013 , vol. 54, # 13 p. 1747 - 1750

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Abstract

An efficient and convenient one-pot synthesis of indene derivatives was achieved in moderate to high yields by the CF3SO3H promoted coupling/cyclization reaction of benzylic alcohols and 1, 3-dicarbonyls for the first time. For the reactions of methoxy-or methyl- substituted diarylmethanols with 1, 3-dicarbonyls, 2equiv of CF3SO3H was needed to reach the best results; but for the reactions of methoxy-substituted arylethanols with 1, 3- ...

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