Paramagnetic aluminium-1,4-di-t-butyl-1,4-diazabutadiene (dbdab) complexes derived from metal vapours and/or metal hydrides: Crystal structures of [al(dbdab) 2 ] and [al(dbdab){N(Bu t )CH 2 } 2 ]

N. Cloke, Christopher I. Dalby, Mark J. Henderson, Peter B. Hitchcock, C. H.L. Kennard, Robert N. Lamb, Colin L. Raston

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Reaction of aluminium vapour or LiAlH 4 -aluminium metal-hexane with 1,4-di-t-butyl-1,4-diazabutadiene (dbdab) yields dark green [Al(dbdab) 2 ] (1), whereas AlH 3 ·NMe 3 with dbdab in hexane at -80°C yields the corresponding hydroalumination product [Al(dbdab){N(Bu t )CH 2 } 2 ] (2) as a yellow solid; although both compounds are paramagnetic, XPS (solid) and EPR (solution) spectroscopy, and X-ray structure determinations support formally Al III centres with the unpaired electron ligand-centred.

Original languageEnglish
Pages (from-to)1394-1396
Number of pages3
JournalJournal of the Chemical Society, Chemical Communications
Issue number20
DOIs
Publication statusPublished - 15 Oct 1990
Externally publishedYes

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