Bismuth triflate catalyzed [1, 3] rearrangement of aryl 3-methylbut-2-enyl ethers
T Ollevier, TM Mwene-Mbeja
Index: Ollevier, Thierry; Mwene-Mbeja, Topwe M. Synthesis, 2006 , # 23 p. 3963 - 3966
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Citation Number: 16
Abstract
Abstract An efficient bismuth triflate catalyzed [1, 3] rearrangement of aryl 3-methylbut-2-enyl ethers has been developed. The reaction proceeds rapidly and affords the corresponding para-and ortho-prenylated phenols and naphthols in moderate to good yields (up to 86%). ortho-Prenylphenols are immediately cyclized under the reaction conditions to the corresponding chroman derivatives.
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