Synthesis and X-ray structures of the five-coordinate zirconocene complexes PhP(CH2CH2-eta(5)-C5H4)(2)ZrCl2, [PhP(CH2CH2-eta(5)-C5H4)(2)ZrCl(H2O)]Cl and PhP(CH2CH2-eta(5)-C5H4)(2)Zr(NCS)(2)

被引：19

作者：

Butchard, JR ^{[1
]}

Curnow, OJ ^{[1
]}

Smail, SJ ^{[1
]}

机构：

[1] UNIV CANTERBURY,DEPT CHEM,CHRISTCHURCH 1,NEW ZEALAND

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1997年 / 541卷 / 1-2期

关键词：

zirconium; metallocenes; crystal structure; phosphine; thiocyanate;

D O I：

10.1016/S0022-328X(97)00117-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The five-coordinate zirconocene dichloride PhP(CH2CH2-eta(5)-C5H4)(2) ZrCl2 (3), containing a tethered bis(cyclopentadienyl)-phosphine ligand, was prepared by treating a tetrahydrofuran solution of ZrCl4(thf)(2) with Li-2[PhP(CH2CH2C5H4)(2)]. An X-ray crystal structure analysis confirmed the phosphorus atom to be coordinated to the zirconium metal center. Dissolution of 3 in wet methanol followed by evaporation of the solvent yielded the crystallographically characterized cationic chloroaqua complex [PhP(CH2CH2-eta(5) C5H4)(2)ZrCl(H2O)](+) as the chloride salt (4). Treatment of an aqueous solution of 3 with excess thiocyanate gave a good yield of the bis(isothiocyanato) complex PhP(CH2CH2-eta(5)-C5H4)(2)Zr(NCS)(2) (7), the structure of which was confirmed by X-ray crystallography. (C) 1997 Elsevier Science S.A.

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页码：407 / 416

页数：10

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