(LL)2M]2+ (M = Pd, (LL) = CH2(pz)2 (6); CH2(3,5-Me2pz)2 (7); (CH3)2C(pz)2 (8); M = Pt, (LL) = CH2(pz)2 (9); CH2(3,5-Me2pz)2 (10) have been prepared and characterized by IR and 1H NMR spectroscopy. The structures of 3 and 6 have been determined by X-ray diffraction; in both complexes the bis-(pyrazolyl)alkanes act as chelating ligands but the coordination around the palladium atom in the complex 6 is strictly
通式(LL)MCl 2(M = Pd,(LL)= CH 2(pz)2(1); CH 2(3,5-Me 2 pz)2(2)的中性和阳离子络合物;(CH 3)2 C(pz)2(3); M = Pt,(LL)= CH 2(pz)2(4); CH 2(3,5-Me 2 pz)2(5)和(LL)2 M] 2+(M = Pd,(LL)= CH 2(pz)2(6); CH 2(3,5-Me 2 pz)2(7); (CH 3)2 C(pz)2(8);M = Pt,(LL)= CH 2(pz)2(9);已制备CH 2(3,5-Me 2 pz)2(10)并通过IR和1 H NMR光谱进行了表征。3和6的结构已通过X射线衍射确定;在这两种配合物中,双-(
吡唑基)
烷烃都起螯合
配体的作用,但配合物6中
钯原子周围的配位严格地是正方形平面,而在3中则稍微偏向
金字塔形,具有明显的Pd⋯HC混乱相互作用。两种配合物中的六元环均采用船型构象。