Issue 99, 2021

Metal-dependent selective formation of calix[4]arene assemblies based on dynamic covalent chemistry

Abstract

The reaction of calix[4]arene derivatives 1a and 1b bearing four salicylaldehyde moieties with 1,3-propanediamine gave macrocyclic trimers 5a and 5b, respectively, which have intramolecular bridges formed via the flattened cone conformation. In contrast, a capsular-shaped dimeric cage [7aยท2Na]2+ was selectively formed when the conformation of the calix[4]arene moiety of 1a was fixed in the spread cone conformation by complexation with Na+ at the lower-rim amide groups.

Graphical abstract: Metal-dependent selective formation of calix[4]arene assemblies based on dynamic covalent chemistry

Supplementary files

Article information

Article type
Communication
Submitted
01 Okt 2021
Accepted
17 Nov 2021
First published
18 Nov 2021

Chem. Commun., 2021,57, 13510-13513

Metal-dependent selective formation of calix[4]arene assemblies based on dynamic covalent chemistry

Y. Sakata, R. Tsuyuki, S. Sugimoto and S. Akine, Chem. Commun., 2021, 57, 13510 DOI: 10.1039/D1CC05553D

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