Ph, R' = C6F5; 6: R = -CH=CPh2, R' = C6F5; 7: R = -CH=CPh2, R'=CCl3) in good yields. With R' = CF3, C2F5 or CCl3 these complexes are active catalysts for metathesis of acyclic alkenes, including unsaturated fatty acid esters, as well as for ring closing metathesis. The reactivity of these complexes with bases and weak donor solvents has been studied and their half-life times in several media were determined
[Ru-(= CHR)Cl2(PCy3)2](1:R = Ph; 1a:R = -CH = CPh2)与
羧酸银盐的反应提供了通式为[Ru2(= CHR)2-(R'
CO2)2(mu-R' )2(PCy3)2(mu-
H2O)](2:R = Ph,R'=
CF3; 3:R = Ph,R'=
C2F5 ; 4:R = -CH = CPh2,R'= ; 5:R = Ph,R'=
C6F5; 6:R = -CH = CPh2,R'= ; 7:R = -CH = CPh2,R '=
CCl3),收率高。当R'= CF 3,C 2 F 5或CCl 3时,这些络合物是用于无环烯烃包括不饱和
脂肪酸酯的易位以及闭环易位的活性催化剂。已经研究了这些配合物与碱和弱供体溶剂的反应性,并确定了它们在几种介质中的半衰期。