The first synthesis of octakis(arylthio)naphthalenes: an X-ray study of a novel pressure-induced colour and conformational change in crystalline octakis(phenylthio)naphthalene

Abstract
The title compound (1) and its octakis(β-naphthylthio) analogue (2), the first examples of per(arylthio)naphthalenes, have been synthesised in essentially quantitative yield by the reaction of octafluoronaphthalene with the sodium salt of the appropriate arenethiol in 1,3-dimethylimidazolidin-2-one as solvent; a remarkable pressure-induced crystal transformation of unsolvated(1), studied by X-ray methods, has been discovered.

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