α-Isocyanatoacrylonitriles from Alkylidene- or Arylidenecyanoacetic Acids; Synthesis and Reactions
作者:Ihsan Jaafar、Georges Francis、Renée Danion-Bougot、Daniel Danion
DOI:10.1055/s-1994-25405
日期:——
The Curtius reaction converts alkylidene- or arylidenecyanoacetic acids to α-isocyanatoacrylonitriles in a stereospecific way. These versatile intermediates allow an easy access to arylacetic acids and various amino acid derivatives, as well as β-lactams or 2-azabutadienes.
Curtius 反应以立体特异性的方式将亚烷基或亚芳基氰基乙酸转化为δ-异氰酸基丙烯腈。通过这些多功能中间体,可以很容易地获得芳基乙酸和各种氨基酸衍生物,以及δ-内酰胺或 2-氮杂丁二烯。