LIPOPHILIC HALOGENOZIRCONOCENE(III) COMPLEXES - [(ZR[ETA-C5H3(SIME3)2-1,3]2(MU-CL))2], [N(BU-NORMAL)4][ZR(ETA-C5H3(SIME3)2-1,3)2CL2] AND [ZR(ETA-C5H3(SIME3)2-1,3)2CL2]

被引：28

作者：

HITCHCOCK, PB

LAPPERT, MF

LAWLESS, GA

OLIVIER, H

RYAN, EJ

机构：

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1992年 / 06期

关键词：

D O I：

10.1039/c39920000474

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Treatment of [Zr{eta-C5H3(SiMe3)2-1,3}2X2] with Na-Hg in tetrahydrofuran (THF) affords the blue (X = Cl 2a or Br) or green (X = I) crystalline complexes [{Zr[eta-C5H3(SiMe3)2-1,3]2(mu-X)}2], with characteristic Zr(III) ESR spectra (PhMe, 300 K) and exceptionally long (3.86 - 4.17 angstrom) Zr...Zr contacts; 2a is susceptible to facile Zr(mu-Cl)2Zr bridge-cleavage upon reaction with either a neutral (e.g. THF) or an anionic (e.g. Cl-) nucleophile, as in its conversion into [NBun4][Zr{eta-C5H3(SiMe3)2-1,3}2Cl2].

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页码：474 / 476

页数：3

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