16‐Electron (Arene)ruthenium Complexes with Superbasic Bis(imidazolin‐2‐imine) Ligands and Their Use in Catalytic Transfer Hydrogenation
作者:Thomas Glöge、Dejan Petrovic、Cristian Hrib、Peter G. Jones、Matthias Tamm
DOI:10.1002/ejic.200900570
日期:2009.10
and cymene complexes of the type [(η 6 -C 6 H 6 )Ru(BL R )] 2+ (R = Me, 5; R = iPr, 6) and [(η 6 -C 10 H 14 )Ru-(BL R )] 2+ (R = Me, 7 ; R = iPr, 8). The X-ray crystal structure of [5]Cl 2 reveals the absence of any direct Ru-Cl interaction, whereas a long Ru-Cl bond, supported by two CH ... Cl hydrogen bonds, is observed for [(6)Cl]Cl in the solid state. Treatment of the dichlorides of 6 and 8 with
配体 N,N'-双(1,3,4,5-四甲基咪唑啉-2-亚基)-1,2-乙二胺 (BL Me) 和 N,N'-双(1,3-二异丙基-4,5 -二甲基咪唑啉-2-亚基)-1,2-乙二胺 (BU iPr ) 与 [(η 5 -C 5 Me 5 )RuCl] 4 反应得到阳离子 16 电子半夹心配合物 [(η 5 -C 5 Me 5 )Ru(BL R )] + (R = Me, 3; R = iPr, 4),由于二亚胺配体的强给电子能力,其抵抗氯反离子的配位。在与 [(η 6 -C 6 H 6 )RuCl 2 ] 2 或 [(η 6 -C 10 H 14 )RuCl 2 ] 2 反应后,这些配体稳定 [(η 6 -C 6 H 6 )Ru(BL R )] 2+ (R = Me, 5; R = iPr, 6) 和 [(η 6 -C 10 H 14 )Ru-(BL R )] 2+ (R =我,7;R =