Synlett

Reductive amination of aldehydes using aminoboranes as iminium ion generators

M Suginome, Y Tanaka, T Hasui

Index: Suginome, Michinori; Tanaka, Yusuke; Hasui, Tomoaki Synlett, 2006 , # 7 p. 1047 - 1050

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Citation Number: 13

Abstract

Abstract 2-Dialkylamino-4H-1, 3, 2-benzodioxaborins, salicyl alcohol derived aminoboranes, serve as efficient and mild iminium ion generators in the reductive amination of aldehydes with NaBH 4. Using a diisopropylamino derivative, a variety of amines including secondary and primary amines, and ammonia can participate to the reductive amination in aprotic organic solvents without the use of acidic promoters.