Zirconocene complexes of the sterically demanding pentaphenylcyclopentadienyl ligand, Cp(PRO).: Synthesis and characterization of Cp(PRO)ZrCl3 and CpCp(PRO)ZrCl2 (Cp = η5-C5H5; Cp(PRO) = η5-C5(C6H5)5)

被引：10

作者：

Greene, DL

Villalta, OA

Macias, DM

Gonzalez, A

Tikkanen, W

Schick, B

Kantardijeff, K

机构：

[1] Calif State Univ Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90032 USA

[2] Calif State Univ Fullerton, Dept Chem & Biochem, Fullerton, CA 92634 USA

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 1999年 / 2卷 / 07期

关键词：

zirconocene; pentaphenylcyclopentadienyl; crystal structures; monocyclopentadienyl; pianostool;

D O I：

10.1016/S1387-7003(99)00077-5

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis, characterization and X-ray structures of two zirconium complexes of the bulky pentaphenylcyclopentadienyl ligand, C-P(PRO), are reported. The monocyclopentadienyl 12 electron complex, (CPZrCl3)-Zr-PRO (I), has an unusual monomeric structure in the solid state and has short Zr-ligand distances. The Lewis acidity of this complex is manifested in its ability to catalyze the [4 + 2] cycloadditions of methyl- and ethylmethacrylate to cyclopentadiene. The sandwich complex, (CPCpZrCl2)-Cp-PRO (II), has more typical Zr-ligand distances, but has a more parallel arrangement of the two cyclopentadienyl rings. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：311 / 314

页数：4

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