Synthesis and characterization of hexacoordinate cobalt(III) complexes bearing three C,O-bidentate ligands

被引:1
|
作者
Yamada, Hirotsuna
Matsukawa, Shiro
Yamamoto, Yohsuke
机构
[1] Hiroshima Univ, Grad Sch Sci, Dept Chem, Higashihiroshima 7398526, Japan
[2] Hiroshima Univ, Inst Adv Mat Res, Higashihiroshima 7398530, Japan
关键词
Pincer ligand; cobalt(III) complex; X-ray analysis; variable temperature NMR;
D O I
10.1016/j.jorganchem.2006.08.100
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Hexacoordinated Co(III) complexes bearing three C,O-bidentate ligands (9a and 9b) were prepared from 1-bromo-2-(P-tolyloxymethyl)benzene (8a) and 1-bromo-2,6-bis(p-tolyloxymethyi)benzene (8b), respectively. Both complexes were stable in air at room temperature. X-ray analyses revealed that the structures of both complexes were essentially the same. According to variable temperature H-1 NMR study, it was found that the two oxygen ligands on the same aromatic ring of 9b interchanged with each other. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:271 / 277
页数:7
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