Issue 8, 2019

Calixarene-based alkynyl-bridged gold(i) isocyanide and phosphine complexes as building motifs for the construction of chemosensors and supramolecular architectures

Abstract

A series of calixarene-based alkynyl-bridged Au(I) isocyanide and phosphine complexes has been designed and synthesized. These complexes are found to exhibit intense emission in dichloromethane solution, in the solid state and in the glass state at 298 K and 77 K. The gold(I) isocyanide complexes with a triazolyl group as a receptor site have been shown to switch on a low-energy emission band upon addition of Zn2+ ions. The new low-energy emission band is ascribed to result from the switching on of the Au⋯Au interaction upon the binding of the Zn2+ ion that gives rise to a reduced HOMO–LUMO energy gap. Furthermore, an interesting supramolecular architecture of tetranuclear gold(I) phosphine stabilized by Au⋯Au interactions has been isolated. Short Au⋯Au distances are found in the X-ray crystal structure.

Graphical abstract: Calixarene-based alkynyl-bridged gold(i) isocyanide and phosphine complexes as building motifs for the construction of chemosensors and supramolecular architectures

Supplementary files

Article information

Article type
Research Article
Submitted
18 二月 2019
Accepted
11 三月 2019
First published
20 三月 2019

Org. Chem. Front., 2019,6, 1205-1213

Calixarene-based alkynyl-bridged gold(I) isocyanide and phosphine complexes as building motifs for the construction of chemosensors and supramolecular architectures

F. K. Hau, K. Cheung, N. Zhu and V. W. Yam, Org. Chem. Front., 2019, 6, 1205 DOI: 10.1039/C9QO00258H

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements