)RuCl][B(3,5-C6H3(CF3)2)4] (7). Finally, the reaction of 1 and 2 with H+B- in the presence of excess norbornene afforded ring-opened polynorbornene, presumably via Ru-catalyzed ring-opening metathesis polymerization (ROMP). The reaction products were characterized by IR and NMR spectroscopy. Single-crystal X-ray structural analyses of complexes 3, 5, 6, and 7 were also performed.
的反应中(η 6:η 1 -C 6 ħ 5 CH 2 CH 2 PR 2)的Ru(CH 3)2,其中R =成分Cy(1)中,Ph(2),并在CO存在
硼活化剂,探索了
乙炔,
乙烯和
降冰片烯。反应1和2用H(ET 2 O)2 [B(3,5--C 6 H ^ 3(CF 3)2)4 ](ħ +乙-)中的CO,得到存在[(η 6:η 1 -C 6 ħ 5 CH 2 CH 2 PR 2)的Ru(CH 3)(CO)] [B(3,5--C 6 H ^ 3(CF 3)2)4 ](分别为3和4)。1和2与H +的反应乙-在
乙炔,得到聚
乙炔的存在和[(η 6 -C 6 H ^ 5 CH 2 CH 2 PR 2)的Ru(η 3 -CH 3 CHC 5 ħ 5)] [B(3,5--C 6 H ^ 3(CF 3)2)4 ](分别为5和6)。提出后者反应是通过将
乙炔配位插入Ru-烷基键来进行的。相反,2与H +的反应乙-