Issue 31, 2018

Lewis base complexes of sila[2]aluminocenophanes

Abstract

Several new sila[2]aluminocenophane Lewis base complexes are described, which were synthesized directly from the corresponding sila[2]magnesocenophane and AlX3·base precursors. The compounds are stable at room temperature for weeks, and were characterized in solution by multinuclear NMR spectroscopy and in the solid state by single crystal X-ray diffraction. In all cases, a dynamic structure was observed in solution, due to rapid sigmatropic rearrangements. Bonding energies of the Lewis base ligands to the aluminium center were calculated to be 162.9–213.3 kJ mol−1.

Graphical abstract: Lewis base complexes of sila[2]aluminocenophanes

Supplementary files

Article information

Article type
Communication
Submitted
18 jun 2018
Accepted
27 jun 2018
First published
10 jul 2018

Dalton Trans., 2018,47, 10425-10428

Lewis base complexes of sila[2]aluminocenophanes

W. Haider, V. Huch and A. Schäfer, Dalton Trans., 2018, 47, 10425 DOI: 10.1039/C8DT02491J

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