Direct Amination of Benzylic Pinacol Boronates by an Aminoazanium
SYNLETT(2023)
Abstract
A practical stereospecific direct amination of benzylic pinacol boronates was achieved by using 4-amino-4-methylmorpholinium iodide as a new amination reagent and cesium carbonate as the base. After amination, an in situ reductive N-alkylation with an aldehyde proceeded well to produce secondary amines.
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Key words
benzylic pinacol boronates,amination,asymmetric synthesis,secondary amines,aminomethylmorpholinium iodide
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