3-dihydro-5-morpholinofuran-2-one (19a), and its 3-(diphenylmethylene)- derivative (19b) add to numerous compounds containing electrondeficient multiple bonds to give products arising from ene reactions in which acyl groups are transferred.
不饱和内酯,3-吗啉代-1 H -2-苯并
吡喃-1-酮(6),2,3-二氢-5-吗啉
呋喃-2-酮(19a)及其3-(二苯基亚甲基)-衍
生物(19b))添加到许多包含缺电子的多个键的化合物中,以产生因烯基反应所产生的产物,其中酰基转移到了烯基上。