A series of cationic complexes were designed as catalysts for imine hydrogenation processes, and it was anticipated that for this purpose naked 16e- cations or relatively labile solvent-coordinated ones possessing noncoordinating counterions would suffice. Solvento complexes [Re(CO)3(PMe3)2(S)][BArF] (4(PhCl) and 4(THF)) and [mer-Re(CO)2(PMe3)3(S)][BArF] (5(PhCl) and 5(THF)) (BArF = [B(3,5-(CF3)2C6H3)4]-;
一系列阳离子络合物的设计作为催化剂用于氢化
亚胺处理,它被预期用于此目的的裸16E -阳离子或相对不稳定的溶剂协调那些具有非配位抗衡离子就足够了。溶剂络合物[Re(CO)3(PMe 3)2(S)] [BAr F ](4(PhCl)和4(THF))和[ mer- Re (CO)2(PMe 3)3(S)] [BAr F ](5(PhCl)和5(THF))(BAr F = [B(3,5-(CF 3)2 C6 H 3)4 ] - ; S = PhCl))是在
氯苯中用[Ph 3 C] [BAr F ]处理后,从它们相应的
氢化物配合物1和2得到的。五配位阳离子络合物[Re(CO)(PMe 3)4 ] [BAr F ](6)(BAr F = [B(3,5-(CF 3)2 C 6 H 3)4 ] -)为通过ReH(CO)(PMe 3)4(3)中含有1当量的[Ph 3 C] [BAr F ]在
氯苯中。除从2和3中的1个与B(C