Reaction of R
   3
 PI
   2
  (R = Ph, Pr
   n
 ,
 Pr
   i
 ) with indium metal powder produces a variety of novel
 indium metal complexes: where R = Ph, the four- and five-coordinate
 metal(III) complex
 InI
   3
 (PPh
   3
 )
   2
 ·InI
   3
 (PPh
 
   3
 ) results; where R = Pr
   n
 , the
 âsubvalentâ indium(II) complex
 In
   2
 I
   4
 (PPr
   n
 
   3
 )
   2
  is
 formed, the first example of an indium tertiary phosphine complex
 containing an indiumâindium bond; whereas for R = Pr
   i
 ,
 the monomeric tetrahedral indium(III) complex
 InI
   3
 (PPr
   i
 
   3
 ) results; these complexes
 illustrate the subtle effect of the organic substituents on the phosphorus
 atom for the reaction of R
   3
 PI
   2
  with indium metal
 powder and the novel indium complexes which are available.
                                    R 3 
PI 2(R = Ph、Pr n、Pr i)与
金属
铟粉反应会产生多种新型
金属
铟络合物:当 R = Ph 时,生成四配位和五配位
金属(III)络合物 InI 3 (PPh 3 ) 2Â-InI 3 (PPh 3 );当 R = Pr n 时,生成 "亚价 "
铟(II)络合物 In 2 I 4 (PPr n 3 ) 2,这是第一个含有
铟铟键的
铟叔膦络合物的例子;这些络合物说明了
磷原子上的有机取代基对 R 3 
PI 2 与
金属
铟粉反应的微妙影响,以及现有的新型
铟络合物。