-2,3-substituted-2-cyclobuten-1-ones with N-bromo- or N-iodosuccinimide, affording in most cases 2-halomethylene-4-cyclopentene-1,3-dione, is described. This reaction was used in a short total synthesis of methyl linderone.
的4-(
乙炔基)的反应的深入研究-
4-羟基-2,3-二取代-2-
环丁烯-1-酮与Ñ
溴代或ñ
碘代丁二
酰亚胺,在大多数情况下2- halomethylene-得到描述了4-
环戊烯-1,3-二酮。该反应被用于短时间的甲基
邻苯二酚全合成。