Additionally, the catalytic performances of the obtained complexes 5a–d were evaluated in various metathesis reactions demonstrating that the ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP) reactions revealed a similar catalytic activity in comparison with the reference indenylidene catalyst 3.
我们报告的合成和表征的第一代改性的非螯合
茚基
钌催化剂表示为RuCl 2(4-甲基-3-(邻
甲苯基)-1-茚基)(PCy 3)2 5a,RuCl 2( 3-(对
氟苯基)-1-茚基)(PCy 3)2 5b,RuCl 2(3-(2,6-二
甲苯基)-1-茚基)(PCy 3)2 5c和RuCl 2(3-(1 -
萘基)-1-茚基)(PCy 3)2 5d。获得的5a–d的配合物通过NMR光谱和元素分析来表征。此外,5a–d的结构已通过单晶X射线衍射确认,并与标准
钌茚并
亚胺配合物3和螯合亚苄基配合物2进行了比较。此外,在各种复分解反应中评估了所得配合物5a-d的催化性能,表明与参考
茚并亚烷基催化剂相比,闭环复分解(RCM)和开环复分解聚合(ROMP)反应显示出相似的催化活性。3。