Palladium(0) catalyzed substitution reactions of cyclopropyl group containing allylic esters
作者:Andreas Stolle、Jacques Salaün、Armin de Meijere
DOI:10.1016/s0040-4039(00)97684-6
日期:1990.1
Complete regioselectivity is observed in palladium(0) catalyzed allylic substitution reactions of 1-vinylcyclopropyl 3 and cyclopropylldeneethyl esters 6 with a series of soft carbon nucleophiles to give γ-cyclopropylidene-1,3-dicarbonyl and 1-carbonyl-2-sulfonyl compounds. Highly functionalized mathylenecyclopropanes are thus obtained in good to excellent yields from easily accessible 1-vinylcyclopropyl
在1-乙烯基环丙基3和环丙基亚乙基乙基酯6与一系列软碳亲核试剂的钯(0)催化的烯丙基取代反应中观察到完全的区域选择性,从而得到γ-环亚丙基-1,3-二羰基和1-羰基-2-磺酰基化合物。因此,从易于获得的1-乙烯基环丙基甲苯磺酸酯3d以良好至优异的产率获得了高度官能化的亚甲基环丙烷。