Successful extrapolation of an f-element synthetic method to the pseudo light lanthanoid, aluminium

Jacinta Bakker, Leonard Barbour, Glen Deacon, Peter Junk, Gareth Lloyd, Johathan Steed

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A redox transmetallation/ligand exchange reaction between Al metal, Hg(C6F5)(2) and 3,5-di-tert-butyl-pyrazole (tBu(2)pzH) in tetrahydrofuran (thf) yields [Al(tBu(2)pz)(3)(thf)] in which the six coordinate aluminium atom has two eta(2)- and one eta(1)-tBu(2)pz ligands. By contrast an analogous reaction in 1,2-dimethoxyethane (dme) gives the organoaluminium complex [Al-2(tBu(2)pz)(3)(C6F5)(2)(OCH2CH2OCH3)] in which each aluminium atom has an eta(2)-pyrazolate and a C6F5 ligand and the Al atoms are bridged by an eta(1):eta(1)-tBu(2)pz ligand and a 2-methoxyethoxide ligand. In addition, [Al(tBu(2)pz)(3)] was isolated from the reaction mixture in a different form from that previously reprinted.
Original languageEnglish
Pages (from-to)2720 - 2725
Number of pages6
JournalJournal of Organometallic Chemistry
Issue number25-26
Publication statusPublished - 2010

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