Formation of Self-Templated 2,6-Bis(1,2,3-triazol-4-yl)pyridine [2]Catenanes by Triazolyl Hydrogen Bonding: Selective Anion Hosts for Phosphate

被引：46

作者：

Byrne, Joseph P. ^{[1
,2
,3
]}

Blasco, Salvador ^{[1
,2
]}

Aletti, Anna B. ^{[1
,2
]}

Hessman, Gary ^{[1
,2
]}

Gunnlaugsson, Thorfinnur ^{[1
,2
]}

机构：

[1] Univ Dublin, Sch Chem, Dublin 2, Ireland

[2] Univ Dublin, Trinity Coll Dublin, Trinity Biomed Sci Inst, Dublin 2, Ireland

[3] Univ Bern, Dept Chem & Biochem, Freiestr 3, CH-3012 Bern, Switzerland

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 31期

基金：

爱尔兰科学基金会;

关键词：

anion hosts; catenanes; ring-closing metathesis; self-templating; triazoles; RING-CLOSING METATHESIS; METALLO-SUPRAMOLECULAR GELS; AQUEOUS SOLVENT MEDIA; ASSEMBLY FORMATION; BTP LIGANDS; MOLECULAR KNOTS; RECOGNITION; CATENANE; COMPLEXES; ROTAXANES;

D O I：

10.1002/anie.201603213

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the remarkable ability of 2,6-bis(1,2,3-triazol-4-yl)pyridine (btp) compounds 2 with appended olefin amide arms to self-template the formation of interlocked [2]catenane structures 3 in up to 50% yield when subjected to olefin ring-closing metathesis in CH2Cl2. X-ray diffraction crystallography enabled the structural characterization of both the [2] catenane 3a and the non-interlocked macrocycle 4a. These [2]catenanes showed selective triazolyl hydrogen-bonding interactions with the tetrahedral phosphate anion when screened against a range of ions; 3a,b are the first examples of selective [2]catenane hosts for phosphate.

引用

页码：8938 / 8943

页数：6

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