and OsCl3(tetraphos-2) respectively. The hexatertiary phosphine TDDX, formed only polynuclear complexes with osmium and attempts to prepare mononuclear complexes failed. The ligand TDDX reacted with either osmium trichloride or ammonium hexachloro osmate(IV) in boiling ethanol to give the diamagnetic trinuclear complex Os3Cl6(TDDX) and paramagnetic complexes of the type Os2X6(TDDX) where XCl or Br)
6(II)和O(III)与多叔膦C 6 H 5 P [CH 2 CH 2 P(C 6 H 5)2 ] 2的配合物;(triphos),(C 6 H 5)2 PCH 2 CH 2 P(C 6 H 5)CH 2 CH 2 P(C 6 H 5)CH 2 CH 2 P(C 6 H 5)2(tetraphos-1) ,P [CH 2 CH 2P(C 6 H 5)2 ] 3;(tetraphos-2)和C 6 H 5 CH 2 P [CH 2 CH 2 P(C 6 H 5)2 ] 2 } 2;说明(TDDX)。在回流温度下,三
氯化with与三
甲醇,tetraphos -1和tetraphos -2在
苯甲醇混合物中反应,得到配合物OsCl 3(triphos ),[OsCl 3(S)] 2(tetraphos-1)和OsCl 3(tetraphos-2)。六叔膦TDDX仅与形成多核复合物,而制备单核复