[Pt(COMe)2(bpy)] (2; bpy = 2,2′-bipyridine) and [Pt(COMe)2H(Me)dmg}] (5; H(Me)dmg = MeO–NC(Me)–C(Me)N–OH) were found to react with primary and secondary amines yielding diacetyl platinum(II) complexes with two monodendate amine ligands [Pt(COMe)2(NH2R)2] (R = Bn, 3a; CH2CH2Ph, 3b; Et, 3c; i-Pr, 3d; CH2CHCH2, 3e; Cy, 3f; Bn = benzyl, Cy = cyclohexyl) and [Pt(COMe)2(NHR2)2] (R = Me, 6a; Et, 6b), respectively
[Pt(COMe)2(bpy)](2 ; bpy =
2,2'-联吡啶)和[Pt(COMe)2 H(Me)dmg}](5 ; H(Me)dmg = MeO–N C发现(Me)–C(Me)N–OH)与
伯胺和仲胺反应,生成具有两个单缩胺胺
配体[Pt(COMe)2(NH 2 R)2 ]的
二乙酰基
铂(II)配合物(R = Bn ,图3a ; CH 2 CH 2 PH,3B ;的Et,3C ;我-Pr,3D ; CH 2 CH CH 2,3E ; CY,3F; Bn =苄基,Cy =环己基)和[Pt(COMe)2(NHR 2)2 ](R = Me,6a; Et,6b)。通过NMR实验和DFT计算研究了这些
配体交换反应的平衡,显示出络合物5是更优选的起始络合物,并且必须使用大量过量的胺。发现空间要求苛刻的
二异丙胺与5反应,生成热不稳定的双核双(乙酰)双桥复合物[Pt(COMe)NH(i -Pr)2