adducts containing the grouping M–XY–AIR3 by the reaction, in benzene solution, of the Lewis acids AlR3(R = Me, Ph, or Cl) with the XY (XY = CO or N2) ligand in a variety of molybdenum(0), tungsten(0), rhenium(I), and osmium(II) complexes, has been examined by i.r. and 1H n.m.r. spectroscopy, and in some cases by the isolation of crystalline 1 : 1 adducts. The order of relative basic strengths thf >tran
在苯溶液中,
路易斯酸AlR 3(R = Me,Ph或Cl)与XY(XY = CO或N 2)
配体在苯溶液中的反应形成含有M–XY–AIR 3组的加合物。多种
钼(0),
钨(0),rh(I)和(II)配合物已通过ir和1 H nmr光谱法进行了检测,在某些情况下还通过了结晶1:1加合物的分离进行了检查。相对基本强度的顺序>反-[ReCl(N 2)(PMe 2 Ph)4 ]>反-[Mo(N 2)2(dpe)2 ]>反-[W(N 2)2(dpe)2 ]>反-[ReCl(N 2)(PMe 2 Ph)2 P(OMe)3 } 2 ]>反-[ReCl( CO) - (PME 2 PH)4 ]>的Et 2 O>聚体- [OSCL 2(N 2)(PET 2 PH)3 ](THF =
四氢呋喃,DPE =苯基2 PCH 2 CH 2 PPH 2由1 H nmr研究了
三甲基铝,上述化合物与
乙醚之间的平衡,得出了苯中