Complexes of organoaluminium compounds. Part VII. Preparation and spectra of cis- and trans-cyclotri-µ-methylamido-tris(dimethylaluminium) and some related compounds
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 20,p. 2203-2208
- https://doi.org/10.1039/dt9720002203
Abstract
Trimethylaluminium–methylamine decomposes at 50°C with evolution of methane to give cis- and trans-cyclotri-µ-methylamido-tris(dimethylaluminium), (Me2AlNHMe)3, which may be separated by fractional sublimation. The solid isomers are stable in vacuum for long periods but readily interconvert in organic solvents. N.m.r., vibrational, and mass spectra are reported. Above 150°C, the compounds decompose with formation of products, including (MeAlNMe)8, the molecules of which are presumed to be based on condensed aluminium–nitrogen frameworks.Keywords
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