Issue 26, 2022

Photochromic dithienylethene-containing four-coordinate boron(iii) compounds with a spirocyclic scaffold

Abstract

A new series of four-coordinate boron compounds bearing a photochromic dithienylethene-containing C^C ligand and an ancillary N^C ligand have been successfully designed and synthesised. These compounds exhibit reversible photochromism upon photoexcitation with percentage conversions of 71–96% and readily tuneable photocycloreversion quantum yields by convenient modification of the ancillary ligand to turn on the thermally activated upconversion from the lower-lying unreactive excited state to the higher-lying photoreactive excited state.

Graphical abstract: Photochromic dithienylethene-containing four-coordinate boron(iii) compounds with a spirocyclic scaffold

Supplementary files

Article information

Article type
Communication
Submitted
07 jan 2022
Accepted
02 mar 2022
First published
15 mar 2022

Chem. Commun., 2022,58, 4231-4234

Photochromic dithienylethene-containing four-coordinate boron(III) compounds with a spirocyclic scaffold

T. H. Fung, C. Wong, W. Tang, M. Leung, K. Low and V. W. Yam, Chem. Commun., 2022, 58, 4231 DOI: 10.1039/D2CC00107A

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