作者:E. Hernandez、P. Royo
DOI:10.1016/0022-328x(85)80190-x
日期:1985.8
The neutral complexes (η5-C5H5NiXL (X = Cl, L = PPh3 (I); L = PCy3 (II); X = Br, L = PPh3 (III); L = PCy3 (IV); X = I, L = PPh3 (V); L = PCy3 (VI)) have been obtained by treating NiX2L2 with thallium cyclopentadienide. The same reaction in the presence of TlBF4 gives cationic derivatives [(η5-C5H5)NiL2]BF4 (L = 2PPh2Me (VII); L = dppe (VIII)), whereas mononuclear complexes containing two different
中性配合物(η 5 -C 5 H ^ 5 NiXL(X =氯,L = PPH 3(I)为:L = PCY 3(II); X = Br的,L = PPH 3(III)为:L = PCY 3( IV); X = I,L = PPh 3(V); L = PCy 3(VI))是通过用环戊二烯化treating处理NiX 2 L 2获得的。在TlBF 4存在下的相同反应得到阳离子衍生物[( η 5 -C 5 H ^ 5)无2 ] BF 4(L = 2PPh 2我(VII); L = DPPE(VIII)),而含有两种不同的配体(L单核配合2 = PPH 3 + PCY 3(IX))或双核[(η 5 -C 5 H ^ 5)的Ni(PPH 3)] 2 DPPE(BF 4)2(X)是由III与TlBF 4在不同配体存在下的反应获得的。用Na / Hg的阳离子络合物的还原,得到非常不稳定镍(I)衍生物(η 5