Lewis Acid-Catalyzed Cascade Reactions of Arylmethylenecyclopropanes with 1,1,3-Triarylprop-2-yn-1-ols or Their Methyl Ethers
作者:Liang-Feng Yao、Min Shi
DOI:10.1021/ol7022592
日期:2007.12.1
3-methoxy-1,3,3-triarylprop-1-yne 2 or 1,1,3-triarylprop-2-yn-1-ol 2-OH to give the corresponding functionalized methylenecyclobutene, cyclobutane, and cyclopropane derivatives in the presence of Lewisacid BF3.OEt2 under mild conditions. A plausible Meyer-Schuster rearrangement mechanism has been proposed.