Carboxamide carbonyl-ruthenium(<scp>ii</scp>) complexes: detailed structural and mechanistic studies in the transfer hydrogenation of ketones
作者:Robert T. Kumah、Paranthaman Vijayan、Stephen O. Ojwach
DOI:10.1039/d1nj05657c
日期:——
N-(1H-benzo[d]imidazol-2-yl)pyrazine-2-carboxamide (HL2) ligands with Ru(PPh3)3ClH(CO) and Ru(PPh3)3(CO)2H2 precursors afforded the respective organo-carboxamide ruthenium(II) complexes [Ru(II)(CO)Cl(PPh3)2L1] (Ru1), [Ru(II)(CO)H(PPh3)2L1] (Ru2), [Ru(II)(CO)Cl(PPh3)2L2] (Ru3), and [Ru(II)(CO)H(PPh3)2L2] (Ru4). The Ru(II) complexes were characterised by NMR, FT-IR spectroscopies, mass spectrometry, micro-analyses
N -(benzo[ d ] thiazol -2-yl)pyrazine-2-carboxamide ( HL1 ) 和N- (1H-benzo[ d ]imidazol-2-yl)pyrazine-2-carboxamide ( HL2 ) 配体与 Ru 的反应(PPh 3 ) 3 ClH(CO) 和 Ru(PPh 3 ) 3 (CO) 2 H 2前体提供各自的有机-甲酰胺钌( II )配合物[Ru (II) (CO)Cl(PPh 3 ) 2 L1 ] ( Ru1 ), [Ru (II) (CO)H(PPh 3 ) 2 L1]( Ru2 )、[Ru (II) (CO)Cl(PPh 3 ) 2 L2 ]( Ru3 )和[Ru (II) (CO)H(PPh 3 ) 2 L2 ]( Ru4 )。通过NMR、FT-IR光谱、质谱、显微分析和单X射线晶体学对Ru( II )配合物进行了表征。配合