Syntheses and ligand exchange experiments of N,N-dialkylcarbamate bridged {Al3(μ3-O)}7+ complexes

The literature on aluminum coordination networks so far contains data on COO-bridged derivatives exclusively. This paper addresses the question whether or not aluminum complexes, especially carbamate-bridged {Al3(μ3−O)}7+ units, can also form networks via the neutral ligand positions. Our findings show that a highly unexpected polymerization of the aluminum carbamates can occur during the isolation of the initially targeted compound. Although bidentate ligands bind to the neutral ligand coordination sites as expected, they do not act as linker molecules but cause an uncontrolled networking via the carbamate ligands. One- and two-dimensional solution and solid-state NMR experiments were primarily used to investigate the coordination behavior of the ligands and to elucidate the actual obtained product.

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Syntheses and ligand exchange experiments of N,N-dialkylcarbamate bridged {Al₃(μ₃-O)}⁷⁺ complexes

Abstract: Although a number of oxo-bridged trinuclear transition metal complexes have been synthesised and investigated in recent decades, comparable aluminum compounds have received much less attention. The {Al3(μ3-O)}7+ carbamate complexes [Al3(μ3-O)(OOC-pyrr)6(pyrrH)3]+[Cl]-...

Cited by 2 publications

References 69 publications

Sulfonylcalix[4]arene-based Al₄ clusters: three aluminum oxo clusters with different coordinated solvents for the CO₂ cycloaddition reaction

Sulfonylcalix[4]arene-based Al₄ clusters: three aluminum oxo clusters with different coordinated solvents for the CO₂ cycloaddition reaction

Unexpected Polymerization of Carbamate-Bridged {Al3(μ3−O)}7+ Complex Units

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Syntheses and ligand exchange experiments of N,N-dialkylcarbamate bridged {Al3(μ3-O)}7+ complexes

Abstract: Although a number of oxo-bridged trinuclear transition metal complexes have been synthesised and investigated in recent decades, comparable aluminum compounds have received much less attention. The {Al3(μ3-O)}7+ carbamate complexes [Al3(μ3-O)(OOC-pyrr)6(pyrrH)3]+[Cl]-...

Cited by 2 publications

References 69 publications

Sulfonylcalix[4]arene-based Al4 clusters: three aluminum oxo clusters with different coordinated solvents for the CO2 cycloaddition reaction

Sulfonylcalix[4]arene-based Al4 clusters: three aluminum oxo clusters with different coordinated solvents for the CO2 cycloaddition reaction

Unexpected Polymerization of Carbamate-Bridged {Al3(μ3−O)}7+ Complex Units

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Product

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Syntheses and ligand exchange experiments of N,N-dialkylcarbamate bridged {Al₃(μ₃-O)}⁷⁺ complexes

Sulfonylcalix[4]arene-based Al₄ clusters: three aluminum oxo clusters with different coordinated solvents for the CO₂ cycloaddition reaction

Sulfonylcalix[4]arene-based Al₄ clusters: three aluminum oxo clusters with different coordinated solvents for the CO₂ cycloaddition reaction