AI Article Synopsis
- Helical aluminium complexes were synthesized using scorpionate ligand precursors and trialkylaluminium derivatives, resulting in various structures, including [Al2X4(μ-nbptam)] and [Al3X7(μ-fbpam)] with different alkyl groups.
- Structural analysis was performed through spectroscopic methods, and X-ray crystallography confirmed the structure of one complex, [Al2Me4(μ-nbptam)].
- These complexes showed promising catalytic activity in converting carbon dioxide into cyclic carbonates, with the yield of polyether-polycarbonate being influenced by the choice of cocatalyst and their ratio to the catalyst.
Article Abstract
Helical aluminium complexes [Al2X4(μ-nbptam)] (X = Me 1, Et 2), [Al2X4(μ-fbpam)] (R = Me 3, Et 4), [Al3X7(μ-nbptam)] (X = Me 5, Et 6) and [Al3X7(μ-fbpam)] (X = Me 7, Et 8) have been prepared by treatment of scorpionate ligand precursors with two or three equivalents of the corresponding trialkylaluminium derivative. The structures of these complexes have been determined by spectroscopic methods and the X-ray crystal structure of complex 1 has also been established. These complexes have been studied as catalysts for the chemical fixation of carbon dioxide into cyclic carbonates displaying good catalytic activity. When cyclohexene oxide was used as a substrate, polyether-polycarbonate was obtained in a ratio which is highly dependent on the cocatalyst and the catalyst to cocatalyst ratio used.
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| http://dx.doi.org/10.1039/c9dt00323a | DOI Listing |
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