SLIPPED SANDWICH STRUCTURES IN THE CHEMISTRY OF CYCLOPENTADIENYL COPPER-COMPOUNDS

被引：9
作者：
JUTZI, P
WIELAND, W
NEUMANN, B
STAMMLER, HG
机构：
[1] Fakultät für Chemie der Universität Bielefeld, D-33615 Bielefeld
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1995年 / 501卷 / 1-2期
关键词：
COPPER COMPOUNDS; SLIPPED-SANDWICH COMPOUNDS; DIORGANOCUPRATE; NMR SPECTROSCOPY; CROWN ETHER; CRYSTAL STRUCTURE; X-RAY DIFFRACTION;
D O I：
10.1016/0022-328X(95)05684-H
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Copper is the only element in the 3d series from which no dicyclopentadienyl compounds are known to date. Starting from cyclopentadienyllithium and copper(I) chloride, two novel organocuprates, [PPh(4)][CuCp(2)] (1) and [Li(12-crown-4)(2)][Cu(2)Cp(3)]. 2THF (2), were prepared. The solid-state structural features in the anions of 1 and 2 are hitherto unknown; eta(2)-Cp coordination to the copper centres is observed by X-ray analysis. NMR spectroscopic analyses confirm the pronounced molecular dynamics in solution. Compounds of the general-formula LiCu(C(5)R(5))(2) are powerful Cp-transfer reagents.
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收藏
页码：369 / 374
页数：6
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