摘要:
(C(5)H(4)R')(2)TiCl(2)和2当量的LiEC&tbd1; CR之间的反应生成了一系列钛茂(IV)炔硫醇和炔硒醇络合物,(C(5)H(4 )R')(2)Ti(EC&tbd1; CR)(2)高收率(1,R = Ph,R'= H,E = S; 2,R = pC(6)H(4)CH(3 ),R'= H,E = S; 3,R =(t)Bu,R'= H,E = S; 4,R = Ph,R'= Me,E = S; 5,R = Ph, R′= H,E = Se)。配合物1与(1)/(2)当量的Ni(cod)(2)反应生成线性Ti(2)Ni三金属配合物[Cp(2)Ti(&mgr; -SC&tbd1; CPh)(2)] (2)Ni(6),其中Ni原子通过与硫醇盐硫桥的相互作用连接两个Cp(2)Ti(SC&tbd1; CPh)(2)单元。用2当量的LiSC&tbd1; CPh和TMEDA处理Cp