endo-, exo-Cavity hydride isomerism for an aluminium complex of dimetallated 1,3-dimethyl ether p-tert-butylcalix[4]arene

Michael G. Gardiner, George A. Koutsantonis, Stacey M. Lawrence, Peter J. Nichols, Colin L. Raston

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Reaction of 1,3-dimethyl ether p-fert-butylcalix[4]arene 1 with H3AlNMe3 in toluene gives an isomeric mixture of monomeric five-coordinate metallocalixarene species derived from dimetallation with the metal centres attached to four oxygens and a hydride either exo (2a) or endo (2b) to the calixarene cavity; 2a is converted to thermodynamically favoured 2b in the presence of H3AlNMe3, with the chloro-analogue of 2a, 3 (formed exclusively from the reaction of 1 and AlCl3) preferentially affording 2b when treated with NaH.

Original languageEnglish
Pages (from-to)2035-2036
Number of pages2
JournalChemical Communications
Issue number17
DOIs
Publication statusPublished - 1 Dec 1996
Externally publishedYes

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