摘要:
5族五卤化物MX 5(M = Nb,Ta; X = Cl,Br)1与多种环氧化物(1,2-环氧丁烷,氧化苯乙烯,2,3-二甲基-2,3-环氧丁烷,摩尔比为1:3的环氧基环己烷,环氧乙烷)生成二核二卤化物三(2-卤代醇基)配合物[MX 2(OR)2(μ-OR)] 2 [M = Nb,X = Cl,R = –CH(Et)CH 2 Cl,2a;M = Nb,X = Cl,R = -CH 2 CH(Ph)Cl,2b;M = Nb,X = Cl,R = -CH 2 CH(Ph)Cl,2b。M = Nb,X = Cl,R = –C(Me)2 C(Me)2 Cl,2c;M = Nb,X = Br,R = –CH 2 CH(Ph)Br,2d; M = Nb,X = Br,R = –C(Me)2 C(Me)2 Br,2e;M = Ta,X = Cl,R = –CH(Et)CH 2 Cl,2f;M = Ta,X