N-Alkylation of N-allyl α-amino esters and [2,3]-Stevens rearrangement occur in one pot on warming in the solvent DMF, with the bases K2CO3 and DBU; this in situ formation of the quaternary ammonium salts and rearrangement of the subsequent ylides gives N,N-dialkylated allyl glycine derivatives.
                                    N- 烯丙基 δ±-
氨基酯的 N-烷基化和 [2,3]-Stevens 重排是在溶剂 
DMF 中加热后,用碱 K2CO3 和 
DBU 在一锅内完成的;这种原位形成的季
铵盐和随后酰化物的重排生成了 N,N-二烷基化的烯丙基甘
氨酸衍
生物。