Encapsulated or Not Encapsulated? Ammonium Salts Can Be Encapsulated in Hexameric Capsules of Pyrogallol[4]arene

Shani Yariv-Shoushan, Yoram Cohen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Tetraalkylammonium salts were found, contrary to literature reports, to be encapsulated into hexameric capsules of pyrogallol[4]arene in benzene solution. The guest affinity depended on the length of the alkyl chain, the counteranion, the solvent used, the ammonium concentration, and most importantly, the pyrogallol[4]arene to ammonium salt ratio. At high ammonium salt to pyrogallol[4]arene ratios no encapsulation was observed, presumably since the high salt destabilized the formed hexamers.

Original languageEnglish
Pages (from-to)936-939
Number of pages4
JournalOrganic Letters
Volume18
Issue number5
DOIs
StatePublished - 4 Mar 2016

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