A Novel Approach Towards Dibenzylbutyrolactone Lignans Involving Heck and Radical Reactions: Application to (±)-Matairesinol Synthesis
作者:Rekha Singh、Gobind C. Singh、Sunil K. Ghosh
DOI:10.1002/ejoc.200700440
日期:2007.11
regio- and stereoselective Heckreaction of iodoarenes with vinylated malonates, generated in situ by fluoride-induced protiodesilylation of alkenylsilanols/disiloxanes to give functionalized styrenes and 1,4-diaryl-1-butenes has been developed. The dibenzylbutyrolactonelignan skeletons have been achieved from 1,4-diaryl-1-butenes by two routes involving diastereoselective radical cyclization as the key