Issue 15, 2002
From the journal:

Journal of the Chemical Society, Dalton Transactions

An unsolvated lithium trihydroaluminate and the correponding trialkynylaluminates supported by an anionic triazacyclononaneligand

Chunming Cui,a   Joseph A. R. Schmidta  and  John Arnold*a  

* Corresponding authors

a Department of Chemistry, University of California at Berkeley and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-1460, USA

Abstract

Reaction of the anionic tacn ligand ((tacn)H = 1,4-diisopropyl-1,4,7-triazacyclononane) with LiAlH4 in THF afforded a dimeric, unsolvated lithium trihydroaluminate, which upon treatment with terminal acetylenes HCCR (R = Ph, SiMe3) yielded the corresponding monomeric trialkynylaluminates in which one acetylide ligand bridges the Li and Al atom at the Cα atom while the two terminal acetylide ligands are coordinated to the Al atom.

Graphical abstract: An unsolvated lithium trihydroaluminate and the correponding trialkynylaluminates supported by an anionic triazacyclononane ligand

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Article information

DOI
https://doi.org/10.1039/B202238A
Article type
Paper
Submitted
13 Feb 2002
Accepted
24 May 2002
First published
21 Jun 2002

J. Chem. Soc., Dalton Trans., 2002, 2992-2994

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An unsolvated lithium trihydroaluminate and the correponding trialkynylaluminates supported by an anionic triazacyclononane ligand

C. Cui, J. A. R. Schmidt and J. Arnold, J. Chem. Soc., Dalton Trans., 2002, 2992 DOI: 10.1039/B202238A

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