Ⅴ的治疗(NAR)(CH 2森达3)3(1中,Ar = 2,6-ME 2 ç 6 ħ 3)与1.0当量各种醇的ñ -己烷在25℃下,得到干净的相应的二烷基配合物类型V(NAr)(CH 2 SMe 3)2(OR)[R = 2,6-Me 2 C 6 H 3(2a),2,6- i Pr 2 C 6 H 3(2b),C 6 F 5(2c),t Bu( 2d),CMe(CF 3) 2( 2e),产率90-93%]。相反,即使在C 2 D 2 Cl 4中进行了尝试,也没有发生与R'N(H)Me(R'= Ph,环己基)或2,6-Me 2 C 6 H 3 SH的反应在50°C下。配合物2a和2b在PMe 3存在下对降冰片烯的开环易位聚合(ROMP)表现出高催化活性,并且在高温(80°C)下该活性增加。钒(V)-亚烷基络合物V(CHSiMe 3)(NAr)(O-2,6- iPr 2 C 6 H 3)(PMe
Ethylene Polymerization and Ring-Opening Metathesis Polymerization of Norbornene Catalyzed by (Arylimido)(aryloxy)vanadium(V) Complexes of the Type, V(Nar)(Oar′)X2(X = Cl, CH2Ph)