Synthesis and reactivity of a tethered diene cyclopentadiene, (C5Me4H)SiMe2(CH2CH=CHCH=CH2), and its alkali metal salts

被引：9

作者：

Evans, WJ ^{[1
]}

Giarikos, DG ^{[1
]}

Ziller, JW ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2003年 / 688卷 / 1-2期

关键词：

cyclopentadienyl; tethered diene; tetramethylcyclopentadienyl; bent metallocene; potassium; titanium;

D O I：

10.1016/j.jorganchem.2003.09.013

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

(C5Me4H)SiMe2Cl reacts with (THF)KCH2CH=CHCH=CH2 to form (C5Me4H)SiMe2(CH2CH=CHCH=CH2) (1). Compound 1 reacts with KH and n-BuLi to make M(C5Me4)SiMe2(CH2CH=CHCH=CH2), M = K, 2; Li, 3, respectively. Carbon-silicon cleavage occurs when I reacts with K to form (C5Me4H)K, which crystallizes from dimethoxyethane as [(C5Me4H)K(DME)](x). This potassium salt has an extended structure which generates bent metallocene (C5Me4H)(2)K(DME) sub-structures which have 133.9degrees ring centroid-K-ring centroid angles. Compound 1 reacts with TiCl4 to make (C5Me4H)TiCl3 (5), which has a piano stool structure. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：200 / 205

页数：6

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