An intramolecular Heck/DielsâAlder cycloaddition cascade starting from acyclic α-phosphono enecarbamates has been developed to prepare nitrogen heterocycles viaindole-2,3-quinodimethanesand 2-(N-alkoxycarbonylamino)-1,3-dienes.
一种从非环状α-膦基烯基
氨基甲酸酯出发的分子内Heck/Diels–Alder环加成级联反应已被开发,用于通过
吲哚-2,3-二甲烯和2-(N-烷氧羰基
氨基)-1,3-二烯合成氮杂环。