Acid-base controlled multiple conformation and aromaticity switches in tren-capped hexaphyrins - Archive ouverte HAL Access content directly
Journal Articles Organic & Biomolecular Chemistry Year : 2019

Acid-base controlled multiple conformation and aromaticity switches in tren-capped hexaphyrins

Abstract

Upon protonation, a tren-capped hexaphyrin undergoes successive rectangular-to-Möbius and Möbius-to-triangular conformational isomerizations, with concomitant antiaromaticity-to-aromaticity reversal. This affords different cage environments leading ultimately to a "crypto-bowl-shape" hexaphyrin hosting a trifluoroacetate counterion.
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Dates and versions

hal-02087814 , version 1 (14-06-2019)

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Stéphane Le Gac, Elsa Caytan, Vincent Dorcet, Bernard Boitrel. Acid-base controlled multiple conformation and aromaticity switches in tren-capped hexaphyrins. Organic & Biomolecular Chemistry, 2019, 17 (15), pp.3718-3722. ⟨10.1039/c9ob00489k⟩. ⟨hal-02087814⟩
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