Multiple ligand transfer reaction between planar-chiral
cyclopentadienylruthenium complexes
[Cp′Ru(AN)3][PF6] [(Cp′ =
1-(CO2Et)-2-Me-4-RC5H2, R = Me, Ph,
But, AN = acetonitrile] and iron complexes CpFe(CO)(L)X (L =
PMe3, PPh3; X = I, Br) results in formation of
metal-centered chiral ruthenium complexes Cp′Ru(CO)(L)X with a
diastereoselectivity (de) up to 68%.
平面手性
环戊二烯钌配合物[Cp′Ru(AN)3][PF6][(Cp′ = 1-(CO2Et)-2-Me-4-RC5H2, R = Me, Ph, But, AN =
乙腈]与
铁配合物 CpFe(CO)(L)X (L = PMe3, PPh3;X = I、Br)形成
金属中心手性
钌配合物 Cp′Ru(CO)(L)X,非对映选择性 (de) 高达 68%。