Butterfly topologies: new expanded carbon-rich organometallic scaffolds

被引：13
|
作者：
Laskoski, M [1 ]
Roidl, G [1 ]
Ricks, HL [1 ]
Morton, JGM [1 ]
Smith, MD [1 ]
Bunz, UHF [1 ]
机构：
[1] Univ S Carolina, Dept Chem & Biochem, USC Nanoctr, Columbia, SC 29208 USA
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2003年 / 673卷 / 1-2期
关键词：
alkynes; dehydro[14]annulenes; dehydro[18]annulenes; cyclobutadiene complexes; cobalt; Pd-catalysis; copper;
D O I：
10.1016/S0022-328X(03)00125-6
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Starting from either (tetraethynylcyclobutadiene)cyclopentadienylcobalt or [1,2-diethynyl-3,4-(2-dioxanyl)cyclobutadiene]-cyclopentadienylcobalt a sequence of copper and Pd-catalyzed couplings of the Eglinton and the Heck-Cassar-Sonogashira-Hagihara type furnishes five bow-tie shaped doubly annelated dehydroannulenes, the largest of which featuring a (formal) 7,8:13,14:25,26:31,32-tetra(4'alkyl-1',2'-benzo)tricyclo[18,16,0(2,19)]hexatricosa-3,5,9,11,15,17,21,23,27,29,33,35-dodecayne-1,7,13,19,25,31-hexaene hydrocarbon ligand with a cyclopentadienyl-cobalt stabilized cyclobutadiene complex as its central unit. Single crystal X-ray structures of two of the smaller butterflies are reported and their surprising solid-state packing is discussed herein. (C) 2003 Published by Elsevier Science B.V.
引用
收藏
页码：13 / 24
页数：12
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