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催化加氢和化学还原法均可用于叠氮的还原,常用的催化加氢催化剂为Pd/C,RaneyNi,当分子内有对氢化敏感的卤素时,可用PtO2作催化剂。化学还原最温和的条件是使用三苯基膦在湿的四氢呋喃中还原(Staudinger还原),当然LAH也可用于该还原。
1,通过Pd/C催化剂催化加氢还原烷基叠氮示例Asolutionofthematerial(6.42g,19.6mmoles)dissolvedinethanol(mL)wasstirredfor1hourinthepresenceof10percentw/wpalladium-on-charcoal(1.67g)inanatmosphereofhydrogenunderatmosphericpressure.Attheendofthistime,therectionmixturewasfilteredandthefiltratewasconcentratedbyevaporationunderreducedpressure.Theresultingcrystallineresiduewasrecrystallizedfromdiethylether,toafford4.90gofthetitle