Formation of Four- to Six-Membered Carbocycles by Tandem Brook Rearrangement-Intramolecular Michael Reaction
作者:Kei Takeda、Tadashi Tanaka
DOI:10.1055/s-1999-2737
日期:1999.6
A tandem Brook rearrangement-intramolecular Michael reaction has been developed as a synthetic route to functionalized carbocycles. Acylsilanes, tethered by a two-, three-, or four-carbon chain to an acrylate Michael acceptor, have been prepared and used as the cyclization substrates. Treatment of these compounds with PhLi or LiP(O)(OMe)2 at temperatures below 0 °C results in the formation of four- to six-membered carbocycles in good yields.