A cationic rhodium(I)-H8-BINAP complex catalyzes a [2+2+2] cycloaddition of 1,6- and 1,7-diynes with acyl phosphonates in high yields with high regioselectivity. Interestingly, the reactivity of α,Ï-diynes toward acyl phosphonates is highly dependent on their own structures.
一种阳离子
铑(I)-H8-BINAP络合物催化1,6-和1,7-二炔与酰基
磷酸酯的[2+2+2]环加成反应,产率高且区域选择性强。有趣的是,α,ω-二炔对酰基
磷酸酯的反应性高度依赖于其自身的结构。