Dendritic octa-CMPO derivatives of calix[4]arenes

被引：34
|
作者：
Wang, PS
Saadioui, M
Schmidt, C
Böhmer, V
Host, V
Desreux, JF
Dozol, JF
机构：
[1] Univ Mainz, Fachbereich Chem & Pharm, Abt Lehramt Chem, D-55099 Mainz, Germany
[2] Univ Liege, B-4000 Liege, Belgium
[3] CEN Cadarache, DES, SEO, LPTE, F-13108 St Paul Les Durance, France
来源：
TETRAHEDRON | 2004年 / 60卷 / 11期
关键词：
calix[4]arenes; dendrimers; CMPO; extraction; NMR relaxation;
D O I：
10.1016/j.tet.2004.01.057
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Calix[4]arenes substituted at the narrow or wide rim by eight carbamoylmethyl-phosphine oxide (=CMPO) functions in a dendritic manner were synthesised and studied in extraction of Eu3+ and Am3+ from aqueous nitric acid into o-nitrophenylhexyl ether. H-1 NMR relaxivity titrations for a wide rim octa-CMPO reveal the clear formation of a solvent-free 1:2 ligand/metal complex, while the wide rim tetra-CMPO formed oligomeric complexes under similar conditions. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2509 / 2515
页数：7
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