On the synthesis and optical properties of sulfur??bridged analogues of triangulenium cations and their precursors

…, G Bernardinelli, J Lacour

Index: Nicolas, Cyril; Bernardinelli, Gerald; Lacour, Jerome Journal of Physical Organic Chemistry, 2010 , vol. 23, # 11 p. 1049 - 1056

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Citation Number: 21

Abstract

Abstract Several sulfur-bridged heterocyclic carbocations of the acridinium and triangulenium family were prepared using 9-(2, 6-dimethoxyphenyl)-1, 8-dimethoxy- thioxanthenium tetrafluoroborate [7][BF 4] as key synthetic intermediate. Thanks to simple yet not so facile aromatic nucleophilic substitution reactions, thiachromenoacridinium, azaoxa-and dioxathiotriangulenium salts (eg,[8][BF 4],[9][BF 4], and [10][BF 4], respectively ...