Synthesis p. 122 - 124 (1990)
Update date:2022-07-30
Topics:
Yinglin, Han
Hongwen, Hu
Sodium diformylamide (1) was used as a convenient substitute for phthalimide in the Gabriel synthesis of primary amines.Reagent 1 undergoes smooth N-alkylation with alkyl halides or p-toluenesulfonates 2 in acetonitrile or dimethylformamide to give the corresponding N,N-diformylalkylamines 3 in good yields, except with alkylating agents which are susceptible to base-catalyzed elimination.The formyl group of 3 can be easily removed by hydrochloric acid to give the corresponding alkylamine hydrochlorides 5 or free alkylamines 4.
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(2004)
