PPh3-catalyzed α-addition reactions of 1-(o-hydroxyaryl)-1,3-diketones to terminal alkynoates involving carbonâcarbon bond cleavage to give multifunctional vinylesters are described.
介绍了在 PPh3 催化下,1-(邻羟基芳基)-1,3-二酮与末端炔酸盐发生的δ-加成反应,其中涉及碳碳键裂解,从而得到多功能
乙烯基酯。