Engineering a Twist in 9,10-Diethynylanthracenes by Steric Interactions

Beeby, A.; Findlay, K.S.; Goeta, A.E.; Porres, L.; Rutter, S.R.; Thompson, A.L.

doi:10.1039/b707750e

Engineering a Twist in 9,10-Diethynylanthracenes by Steric Interactions

Beeby, A.; Findlay, K.S.; Goeta, A.E.; Porres, L.; Rutter, S.R.; Thompson, A.L.

Authors

Professor Andrew Beeby andrew.beeby@durham.ac.uk
Professor

K.S. Findlay

A.E. Goeta

L. Porres

S.R. Rutter

A.L. Thompson

Abstract

A series of 9,10-bis(phenylethynyl)anthracenes decorated with sterically demanding tert-butyl substituents have been prepared and spectroscopically characterised. We demonstrate that the introduction of two bulky substituents in the ortho position of the phenyl rings effectively locks the ground state into a conformation in which the three rings are orthogonal. Fluorescence spectroscopy reveals evidence for partial planarisation of this compound in the excited state at ambient temperature, but this is prevented in low temperature solvent glasses.

Citation

Beeby, A., Findlay, K., Goeta, A., Porres, L., Rutter, S., & Thompson, A. (2007). Engineering a Twist in 9,10-Diethynylanthracenes by Steric Interactions. Photochemical & Photobiological Sciences, 6(9), 982-986. https://doi.org/10.1039/b707750e

Journal Article Type	Article
Publication Date	Jul 1, 2007
Deposit Date	Jan 18, 2008
Journal	Photochemical & Photobiological Sciences
Print ISSN	1474-905X
Publisher	Springer
Peer Reviewed	Peer Reviewed
Volume	6
Issue	9
Pages	982-986
DOI	https://doi.org/10.1039/b707750e