FeCl3-catalyzed conjugate addition of secondary amines, imidazole and pyrazole to methyl 2-acetamidoacrylate. Preparation of β-dialkylamino-αalanine and β-(N-heteroaryi)-α-alanine derivatives
作者:Montserrat Pérez、Roser Pleixats
DOI:10.1016/0040-4020(95)00446-f
日期:1995.7
β-Dialkylamino-α-alanine and β-(N-heteroaryl)-α-alanine derivatives are obtained by conjugate addition of nitrogen based nuclcophiles (cyclic and acyclic secondary amines, imidazole and pirazole) to methyl 2-acetamidoacrylate, 1, under iron(III) chloride catalysis.
β-二烷基氨基-α-丙氨酸和β-(N-杂芳基)-α-丙氨酸衍生物是通过在铁下将基于氮的亲核试剂(环状和无环仲胺,咪唑和吡唑)共轭添加到2-乙酰氨基丙烯酸甲酯1中而获得的。 (三)氯化物催化。