Secondary 2-cyano- and 2-ethoxycarbonylaziridines react with acetylenic compounds and activated vinylic chlorides to give 2-cyano and 2-ethoxycarbonyl N-vinylaziridines. The nucleophile-catalysed isomerization of these compounds generally gives α,β-dehydro α-amino acid derivatives involving nucleophilic attack at C-3. Thermal isomerization, involving predominantly cleavage of the carbon–carbon bond of the ring, forms α-vinylamino esters and nitriles.
二级2-氰基和2-乙氧羰基环氧丙烷与乙炔化合物和活性乙烯基氯化物反应,形成2-氰基和2-乙氧羰基N-乙烯基环氧丙烷。这些化合物的亲核催化异构化通常会生成涉及在C-3处进行亲核攻击的α,β-脱氢α-氨基酸衍生物。热异构化主要涉及环的碳-碳键裂解,形成α-乙烯基氨基酯和腈。