Photoadditions d'halogenures d'alkyle a 多种烯烃 enparticulier Br(CH 2 ) 3 Br avec CH 2 =CHCN en 存在 de CuX(X=Cl, Br), n-AmBr en 存在 de CuCl/P(n-Bu) 3,CH 2 Cl 2 存在于CuCl/P(Oet) 3 中。机制。Synthese de composes a liaison CC
When 1,5-dibromopentane derivatives, which were prepared by CuBr-catalyzed photochemical reaction of 1,3-dibromopropane or its derivatives with electron-deficient olefins, were subjected to electrochemical reduction in THF or DMSO solution, cyclopentanederivatives were obtained.