Self-assembly of rings, catenanes, and a doubly braided catenane containing gold(I): The hinge-group effect in diacetylide ligands

被引：0
|
作者：
McArdle, CP
Jennings, MC
Vittal, JJ
Puddephatt, RJ [1 ]
机构：
[1] Univ Western Ontario, Dept Chem, London, ON N6A 5B7, Canada
[2] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2001年 / 7卷 / 16期
关键词：
aurophilicity; catenanes; gold; molecular recognition; self-assembly;
D O I：
10.1002/1521-3765(20010817)7:16<3572::AID-CHEM3572>3.0.CO;2-C
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Reaction of the flexible dialkynyldigold(I) precursors X(4-C6H4OCH2C- CAu)(2) with 1,4-bis(diphenylphosphino)butane gave complexes of formula [{[mu -X(4-C6H4OCH2CCAu)(2)][mu-(Ph2PCH2CH2CH2CH2PPh2)]}(n)]. The complexes exist as 25-membered ring compounds with n = 1 when X = O or S, as [2]catenanes with n = 2 when X = CH2 or CMe2, and as a unique doubly braided [2]catenane, containing interlocked 50-membered rings with n = 4 when X = cyclohexylidene. These compounds form easily and selectively by self-assembly; reasons for the selectivity are also discussed.
引用
收藏
页码：3572 / 3583
页数：12
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