Synthesis of tetrasubstituted furans by sequential SmI2-promoted reduction and Pd-catalyzed cyclization
作者:José M Aurrecoechea、Elena Pérez
DOI:10.1016/s0040-4039(01)00574-3
日期:2001.6
Tetrasubstituted furans are obtained in a one-pot, two-step sequence comprising Sml(2)-promoted reduction of a readily available 4,5-epoxyalk-2-ynyl ester followed by Pd(0)-promoted cyclization of the resulting 2,3,3-trien-1-ol in the presence of an aryl halide or triflate. (C) 2001 Elsevier Science Ltd. All rights reserved.