Crownphyrins: Metal-Mediated Transformations of the Porphyrin-Crown Ether Hybrids

被引：12

作者：

Matviyishyn, Maksym ^{[1
]}

Bialonska, Agata ^{[1
]}

Szyszko, Bartosz ^{[1
]}

机构：

[1] Univ Wroclaw, Fac Chem, 14 F Joliot Curie St, PL-50383 Wroclaw, Poland

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2022年 / 61卷 / 49期

关键词：

Crown Ethers; Porphyrinoids; Receptors; Self-Assembly; Supramolecular Chemistry; CRYSTAL-STRUCTURES; PACMAN COMPLEXES; CHEMISTRY; RECOGNITION; TEXAPHYRINS; CATENANES; OXIDATION; RECEPTOR; SYSTEMS; BINDING;

D O I：

10.1002/anie.202211671

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Crownphyrins are hybrid macrocycles combining structural features of porphyrin and crown ethers. The molecular architecture renders them an intriguing class of hosts capable of binding neutral, and ionic guests. The presence of dynamic covalent imine linkages connecting the dipyrrin segment with the ether chain enables unusual coordination behavior of crownphyrins, as demonstrated by the formation of two classes of strikingly different complexes. The remarkable metal-mediated expansion to the helical [2+2] macrocyclic complex is reversible. The reaction of the figure-eight mercury(II) assembly with [2.2.2]cryptand results in ring contraction providing the metal-free crownphyrin macrocycle.

引用

页数：10

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