摘要:
三钌[(dppe)2 Ru {-C≡C–1,4-C 6 H 2 –2,5-R 2 –CH═CH–RuCl(CO)(P i Pr 3)2 } 2 ] n +(将包含不对称的(乙炔基)(乙烯基)亚苯基桥接配体并显示五个良好分离的氧化还原态(n = 0–4)的4a,R = H;4b,R = OMe与它们的双(炔基)钌前体(dppe)进行比较)2 Ru {-C≡C–1,4-C 6 H 2 –2,5-R 2 –C≡CR'}(2a,b:R'= TMS; 3a,b:R'= H)及其对称取代的双金属同类物,络合物{Cl(dppe)2 Ru} 2 {μ-C≡C–1,4-C 6 H 2 –2,5-R 2 –C≡C }(A a,R = H;A b,R = OMe)和{RuCl(CO)(P i Pr 3)2 } 2 {μ-CH═CH–1,4-C 6 H 2 –2,5 -R 2 –CH═CH}(V a,R = H;