five-coordinate species 2d in basic medium where it is quite stable. 5d can instead be prepared by reaction of d with a strongly basic methanol solution of Zeise's anion [PtCl3(eta2-C2H4)](-), 1. In such a medium the di-anionic trans-[PtCl2(OR)(eta1-CH2CH2-OCH3)](2-) species (1") reacts with to form exclusively 5d. Hydrolysis of with acids bearing weakly coordinating anions leads to [PtCl(eta2-C2H4)(N-N)]+, 3a-c
五配位
铂(II)化合物[PtCl2(eta2-
C2H4)(NN)],2a-c,(NN)在基本介质中的演化([RO-] = 1 M,在
甲醇中,R = H或Me) = N,N,N′,N′-四甲基-1,2-
乙二胺,a; 2,2′-联
吡啶,b; 1,10-
菲咯啉,c)导致[PtCl(eta1-CH2CH2- OCH3)(NN)],5a-c。也可以制备类似的化合物5d(NN = 2,9-二甲基-1,10-
菲咯啉,d),但不能通过在十分稳定的基本
培养基中转化五坐标物种2d来制备。可以通过d与Zeise阴离子[PtCl3(eta2- )](-),1的强碱性
甲醇溶液反应来制备5d。 CH2CH2-OCH3)](2-)物种(1“)与之反应形成5d。与带有弱配位阴离子的酸
水解会生成[PtCl(eta2- )(NN)] +,3a-c,作为稳定的阳离子;在相同的处理下,5d不会生成3d,但会与HCl反