constants and activation parameters for the substitution of chloride by bromide in [Rh(NRH2)5Cl]2+ and trans-[Rh(NRH2)4Cl2]+(R = Me, Et, or Prn) have been determined and are compared with data on related complexes of RhIII, CoIII, and CrIII.
便捷合成[Rh(NRH 2)5 X] 2+(R = Me,Et,Pr n,Bu n或Bu i ; X = Cl或Br),反式-[Rh(NR'H 2)4 Cl 2 ] +(R'= PR我,环己基,或pH),和反式- [
铑(PYR)4
氯2 ] +(PYR =
吡咯烷)的报告和
铑[Rh(NRH 2)5 CL] 2+被示出成为合成反式-[Rh(NRH 2)的方便原料4 Cl 2 ] +。报告了极谱半波降低电势以及物理和光谱性质。反式-[Rh(NMeH 2) 4 Cl 2 ] +中
氨基质子的交换速率以及[Rh(NRH 2) 5 Cl] 2+和反式中
溴化物取代
氯的速率常数和活化参数-[Rh(NRH 2) 4 Cl 2 ] +(R = Me,Et或Pr n)已确定,并与Rh相关配合物的数据进行比较III,Co III和Cr III。