The dehydrogenation-triggered multiple C(sp3)–H functionalizations at remote positions γ, δ or ε, ζ to carbonyl groups of aliphatic ketones with aryl/alkenyl carboxylic acids as coupling partners have been achieved using a bimetallic Cu–Pd catalyst system. This reaction allows access to alkenylated isocoumarins and their derivatives in generally good yields with high functional group tolerance. The
使用双
金属 Cu-Pd 催化剂体系,以芳基/烯基
羧酸为偶联伙伴,在远程位置 γ、δ 或 ε、ze 上脱氢触发多个 C(sp 3 )–H 官能化为脂肪酮的羰基。该反应可以以通常良好的收率和高官能团耐受性获得烯基化异
香豆素及其衍
生物。双
金属Cu-Pd协同催化对脂肪酮的高效连续脱氢的鉴定,克服了脂肪酮中末端未取代烷基链连续脱氢去饱和所带来的长期挑战,对于实现这种双
金属Cu-Pd催化脱氢至关重要偶联反应。