Original sentence: Allylic amines can be prepared from imines in the Aza-Baylis-Hillman reaction.Aryl amines can be obtained from amines and aryl halides in the Buchwald-Hartwig reaction.From alkenes and alkynes in hydroamination.From carboxylic acids in the Schmidt reaction.From rearrangement of haloamines in the Hofmann-Löffler reaction.Nucleophilic substitution of haloalkanes.Primary amines can also be synthesized by alkylaton of ammonia.Quaternary ammonium salts upon treatment with strong base undergo the so-called Hofmann Elimination.Reduction of nitriles, amides and nitro compounds:.The Gabriel synthesis:.The reduction of nitro compounds to amines can be accomplished with elemental zinc, tin or iron with an acid.Via Hofmann degradation of amides.Via amination of an alcohol with ammonia over a hydrogenating catalyst such as a nickel/copper alloy.Via azides by the Staudinger reduction, or with a reducing agent such as lithium aluminium hydride.Via halides and hexamine in the Delepine reaction
Edited sentence: 2008, 85, 10-14 Article.500px|center|The Gabriel synthesis.Aza-Baylis-Hillman reaction.Buchwald-Hartwig reaction.Delepine reaction.Gabriel synthesis.Hofmann Elimination.Hofmann degradation.Hofmann-Löffler reaction.Laboratory methods for the synthesis of amines.Nucleophilic substitution.Organic reduction.Primary amines can also be synthesized by alkylaton of ammoniaFor an example see: Org.Quaternary ammonium salt.Reaction name  Substrate  Comment.Reduction of nitro compounds.Schmidt reaction.Staudinger reduction.Synthesis of allylic amines.This reaction also takes place with a reducing agent such as lithium aluminium hydride.alkenes and alkynes.aryl halide.can be accomplished with elemental zinc, tin or iron with an acid.carboxylic acid.center|350px|Nitrile reduction.center|400px|The Hofmann rearrangement.center|Amine alkylation.center|Reduction of amides to amines.nitriles, amides.nitro compounds.reagent hexamine.specific for aryl amines.upon treatment with strong base