A 2,2′-azobenzene-substituted calix[4]-arene-crown-6

被引：4
|
作者：
Thuéry, P
Nierlich, M
Saadioui, M
Asfari, Z
Vicens, J
机构：
[1] CEA Saclay, SCM, CNRS, URA 331, F-91191 Gif Sur Yvette, France
[2] CNRS, URA 405, Lab Chim Interact Mol Specif, F-67008 Strasbourg, France
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1999年 / 55卷
关键词：
D O I：
10.1107/S0108270198013882
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The calix[4]arene macrocycle, 25,27-dihydroxy-26,28(O,O' -azobenzene)calix[4]arene-crown-6 [which crystallizes as an N,N-dimethylformamide solvate (C48H46N2O8. C3H7NO)], in the cone conformation, has two opposite phenolic rings bridged by an -(O-CH2-CH2)(2)O-C6H4-N=N-C6H4-(O-CH2-CH2)(2)O-unit. The two other phenolic O atoms are unsubstituted. The azobenzene geometry is the more stable trans one. This structure is compared to other previously reported structures, involving differently bonded azobenzene moieties.
引用
收藏
页码：443 / 445
页数：3
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