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Royal Society of Chemistry, Dalton Transactions, 12(44), p. 5284-5287

DOI: 10.1039/c5dt00196j

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Intramolecular N-coordination in ketiminoboranes

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Treatment of the imine PhC(=NSiMe3)py with Et2BOMe or BF3•Et2O afforded bicyclic ketiminoboranes 4a and 4b via intramolecular N-coordination. The basicity of the imine N is evidenced by their reactivity towards Brønsted and Lewis acids and the structures of 4a•HCl and 4b•BF3 are reported as well as the dipyridyl imine derivative 4c•HCl.