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Ligand effects in the syntheses of molecular main group metal species containing interstitial hydride

Lookup NU author(s): Emeritus Professor Bill Clegg, Dr Stephen Liddle

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Abstract

In seeking to investigate whether structures of the type observed for {[Me3Al(TMP)]Li}∞ (TMP = 2,2,6,6-tetramethylpiperidide) can be oligomerised by the use of polyfunctional N-centred ligands, we report lithium aluminates incorporating RN(cyrillical capital letter sha)C(H)(cyrillical capital letter sha)NR residues. For PhN(cyrillic capital letter sha)C(Ph)(cyrillical capital letter sha)NPh = Am cluster cation-containing (Li4Am3)+·[Li[(μ-Me)2Al(Me )But]2]- is afforded. However, the empolyment of PhN(H)(2-pyr) (pyr = pyridyl) instead affords both {Li8(H)[N(2-pyr)Ph]6}+·[Li(Me2AlBut2)2]- and Li7(H)[N(2-pyr)Ph]6: the first molecular Main Group clusters to incorporate interstitial hydride. Results indicate that β-elimination from ButLi represents the source of H- in these reactions.


Publication metadata

Author(s): Armstrong DR, Davies RP, Clegg W, Liddle ST, Linton DJ, Schooler P, Snaith R, Wheatley AEH

Publication type: Article

Publication status: Published

Journal: Phosphorus, Sulfur and Silicon and Related Elements

Year: 2001

Volume: 168

Pages: 93-98

Print publication date: 01/01/2001

ISSN (print): 1042-6507

ISSN (electronic): 1563-5325

Publisher: Taylor & Francis

URL: http://dx.doi.org/10.1080/10426500108546536

DOI: 10.1080/10426500108546536


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