A one-pot synthesis of β-lactams (4) was successfully achieved by the reaction of β-haloacyl chlorides (1) with α-amino acids (2) in aqueous 5% sodium hydroxide solution in the absence of phase transfer catalyst in yields of 43-91%.
通过在不含相转移催化剂的情况下,将β-卤代酰
氯(1)与
α-氨基酸(2)在5%
氢氧化钠水溶液中反应,成功实现了β-内酰胺(4)的一锅法合成,产率可达43-91%。