作者:Rico Packheiser、Petra Ecorchard、Bernhard Walfort、Heinrich Lang
DOI:10.1016/j.jorganchem.2007.11.052
日期:2008.3
The synthesis of the ruthenium σ-acetylides (η5-C5H5)L2Ru–CC–bipy (4a, L = PPh3; 4b, L2 = dppf; bipy = 2,2′-bipyridine-5-yl; dppf = 1,1′-bis(diphenylphosphino)ferrocene) is possible by the reaction of [(η5-C5H5)L2RuCl] (1) with 5-ethynyl-2,2′-bipyridine (2a) in the presence of NH4PF6 followed by deprotonation with DBU. Heterobimetallic Fc–CC–NCN–Pt–CC–R (10a, R = bipy; 10b, R = C5H4N-4; Fc = (η5-C5H5)(η5-C5H4)Fe;
钌σ-乙炔化物的合成(η 5 -C 5 H ^ 5)L- 2的Ru-CC-联吡啶(4a中,L = PPH 3 ;图4b,L 2 = DPPF;联吡啶= 2,2'-联吡啶-5-基; DPPF = 1,1'-双(二苯基膦基)二茂铁),可以通过[(η的反应5 -C 5 H ^ 5)L- 2的RuCl](1)用5-乙炔基-2,2'-联吡啶(2a)在NH 4 PF 6存在下,然后用DBU去质子化。异双金属Fc–CC–NCN–Pt–CC–R(10a,R = bipy; 10b,R = C 5 H 4 N-4;R = C 5 H 4 N-4。FC =(η 5 -C 5 H ^ 5)(η 5 -C 5 H ^ 4)的Fe; NCN = [1,4-C 6 H 2(CH 2 NMe 2)2 -2,6] -)可通过Fc–CC–NCN–PtCl(9)与乙炔锂LiCC–R(2a, R = bipy; 2b,R =