Reactions of titanium(III) complexes (η5-C5R5)2TiOtBu (R = H (1), Me (4)) with Co2(CO)8 are found to be efficient methods to synthesize Ti−Co heterobimetallic complexes. A Ti−Co3 complex, (η5-C5H5)2Ti(OtBu)(μ4-OC)Co(CO)9 (3), was formed from 1 and Co2(CO)8, whereas a Ti−Co bimetallic complex, (η5-C5Me5)2Ti(OtBu)(μ-OC)Co(CO)3 (5), was obtained by the reaction of 4 with Co2(CO)8. In both cases, the reaction
钛的反应(III)络合物(η 5 -C 5 - [R 5)2的TiO吨卜(R = H(1)中,Me(4))用Co 2(CO)8被发现是有效的方法来合成性Ti- Co异双
金属配合物。甲的Ti-Co 3络合物,(η 5 -C 5 H ^ 5)2的Ti(O吨卜)(μ 4 -OC)的Co(CO)9(3)中,从形成1和Co 2(CO)8,而Ti-Co双
金属配合物(η通过4与Co 2(CO)8的反应获得5 -C 5 Me 5)2 Ti(O t Bu)(μ-OC)Co(CO)3(5)。在两种情况下,反应均在5分钟内完成。通过NMR,IR和X射线晶体学对产物进行完全表征。配合物3包含四重桥连的CO基团,其氧末端连接至Ti部分,而碳末端结合至Co 3(CO)9部分中的三个Co原子。相反,络合物5是双核的,其Ti原子与Co(CO)连接3个基团由异羰基桥连而成。甲η 5 -C 5 H ^ 5类似物5,[(η 5