摘要:
[ML 2 CI] 2(MRh,Ir; L 2COD,NBD;LCO)与双亚氨基磷酰基甲烷CH 2(PPh 2NR)2(bipm,I)的桥拆分反应导致具有N,N'和N,C二齿配位bipm的Rh(I)和Ir(I)络合物:[ML 2 {(4-R'-C 6 H 4-NPPh2)2 CH 2}] + X-(II)和[ML 2 {(4-R'- C 6 H 4 -NH-PPh 2)CH(PPh 2NC6 H 4 -R'-4)}] + X-(III; R′= CH 3,NO 2 OCH 3; X = Cl,MCl 2 L 2,BF 4,PF 6)。II:III的比例取决于金属,bipm配体I,溶剂和银(I)或钠盐的存在。在N,C配位的bipm中,发生了从碳到侧氮原子的1,3-H互变异构转变。解析了[Rh {(4-CH 3 -C 6 H 4 -N 2PPh 2)2 CH 2}(COD)] PF