Interconversion between a silaimine and an aminosilylene supported by an iminophosphonamide ligand?

Chemical Communications Pub Date: 2021-03-02 DOI: 10.1039/D1CC00667C

Abstract

The reaction of a chlorosilylene, supported by an iminophosphonamide ligand, with KN(SiMe3)2 resulted in the formation of a silaimine instead of the expected aminosilylene. However, this silaimine exists in equilibrium with the corresponding aminosilylene, which was experimentally demonstrated using variable-temperature NMR spectroscopy and a trapping reaction with elemental selenium to give a silaselenourea.

Graphical abstract: Interconversion between a silaimine and an aminosilylene supported by an iminophosphonamide ligand
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