Diastereoselective synthesis of 2,5-dialkyl tetrahydrofuran-3-ones by a copper-catalysed tandem carbenoid insertion and ylide rearrangement reaction
作者:J.Stephen Clark
DOI:10.1016/s0040-4039(00)60041-2
日期:1992.10
Cu(acac)2-Catalysed cyclisations of the alpha-diazo ketones 3, result in the diastereoselective formation (>97:3) of the trans-2,5-dialkyl tetrahydrofuran-3-ones 4. The yields and levels of diastereoselection are catalyst, solvent, and temperature dependent.