Synthesis and Structure of a New Type of Chiral Organoiron and Organoruthenium Complexes
作者:Christoph M. Adams、Andreas Hafner、Markus Koller、Alessandro Marcuzzi、Roland Prewo、Isabel Solana、Beverly Vincent、Wolfgang von Philipsborn
DOI:10.1002/hlca.19890720803
日期:1989.12.13
The synthesis of 36 [Fe(CO)2L1(η4-diene)], three [Fe(CO)2L1(η4-encne)], and five [Ru(CO)2L1(η4-diene)] complexes (L1 = Ph3P, Et3P, (EtO)3P, (MeO)3p, C6H11NC) by thermal, selective CO ligand displacement in the corresponding tricarbonyl precursor complexes is described. In a second step, photochemical CO displacement by another phosphorus ligand L2 leads to a new type of η4-diene complexes with a centre
的合成36的[Fe(CO)2大号1(η 4 -二烯)],三[铁(CO)2大号1(η 4 -encne)]和五个的[Ru(CO)2大号1(η 4 -二烯)]描述了在相应的三羰基前体配合物中通过热,选择性的CO配位置换而形成的配合物(L 1 = Ph 3 P,Et 3 P,(EtO)3 P,(MeO)3 p,C 6 H 11 NC) 。在第二步骤中,由另一个磷光化学CO位移配体L 2根引线的新型的η 4-在金属原子(Fe,Ru)上具有手性中心的二烯配合物。已经制备并表征了23种Fe和3种这种Ru络合物。在具有不对称二烯的配合物的情况下,形成外消旋非对映异构体,其可以通过色谱法分离。[Fe(CO)(Ph 3 P)((MeO)3 P)(buta-1,3-diene)](52),[Fe(CO)(Ph 3 P)((MeO)3 P)(异戊二烯)](58)和[Fe(CO)(Et 3 P)(EtO)3 P(hexa-2