Ligandeneffekte bei der Synthese der Komplexe C1Rh (P ≈ O), [Rh2][BPh4] und [Rh(COD)()][BPh4]
作者:Ekkehard Lindner、Qinyan Wang、Hermann August Mayer、Armin Bader
DOI:10.1016/0022-328x(93)80479-u
日期:1993.10
reacts with 2b,c to give pure RhCI(P O)(P ≈ O) (4b,c, P O: η2-bonded O,P ligand; P ≈ O: η1-P-bonded O,P ligand). In contrast, treatment of 1 with 2d predominantly yields [(μ-Cl)Rh(P ≈ O)2]2 (3d), which may be photochemically converted into 4d. In the presence of NaBPh4, the reaction of 1 with 2b,c results in the formation of the bis(chelate) complex cis-[Rh(P O)2][BPh4] (5b,c). 5d, however, is only
铑(I)配合物的行为[(μ-Cl)Rh(COE)2 ] 2(1,COE =环辛烯)和[(μ-CI)Rh(COD)] 2(6,COD = 1,5 -环辛二烯)对一系列醚膦的R 2 PCH 2 CH 2 OCH 3(R = t Bu(2a),i Pr(2b),Cy(2c),Ph(2d))进行了研究。复杂1种发生反应与2b中,C,得到纯RhCI(PO)(P≈O)(图4b,C,PO:η 2键合的O,P配体,P≈○:η1 -P-键合的O,P配体)。相反,用2d处理1主要产生[(μ-Cl)Rh(P≈O)2 ] 2(3d),可以将其光化学转化为4d。在NaBPh 4的存在下,1与2b,c的反应导致形成双(螯合物)顺式-[Rh(PO)2 ] [BPh 4 ](5b,c)。5D,然而,这只是通过访问氯-从抽象4D。治疗6与2a-c中NaBPh 4提供[(COD)Rh(PO)[BPh 4 ](7a–c),而2d提供[[COD)Rh(P≈O