3-Dihydro-1H-pyrrolisin-1-one was reacted with aromatic aldehyde to give (E)-2-arylmethylidene-2,3-dihydro-1H-pyrrolisin-1-ones. A 1,3-dipolar cycloaddition of azomethine ylide generated in situ from acenaphthenequinone and sarcosine with (E)-2-arylmethylidene-2,3-dihydro-1H-pyrrolisin-1-ones gave novel 4′-aryl-1′-methyl-1″H,2H-dispiro [acenaphthylene-1,2′-pyrrolidine-3′,2″-pyrrolisine]-1″,2-diones in moderate yields
2,3-二氢-1H-
吡咯烷-1-酮与芳香醛反应得到(E)-2-芳基亚甲基-2,3-二氢-1H-
吡咯烷-1-酮。由
苊醌和
肌氨酸原位生成的偶氮甲碱叶立德与 (E)-2-arylmethylidene-2,3-dihydro-1H-pyrrolisin-1-ones 的 1,3-偶极环加成得到新的 4'-aryl-1'-methyl -1″H,2H-二螺[acenaphthylene-1,2'-pyrrolidine-3',2″-pyrrolisine]-1″,2-diones 中等产率。所有产物的结构均通过 NMR、IR、MS 表征,二螺[
苊-
吡咯烷-
吡咯烷]衍
生物的立体
化学通过 X 射线晶体学证实。