2-3',4'-dimethoxy-2'-methylcarbamoylphenyl-1,4-dihydro-6,7-methylenedioxy-1-oxo-4-phenyliminonaphthalene 在
苄基三甲基氢氧化铵 作用下,
以
甲醇 为溶剂,
反应 24.0h,
以96%的产率得到1,2,3,4-tetrahydro-6,7-methylenedioxy-1-oxo-4-phenyliminonaphthalene-2-spiro-3'-6',7'-dimethoxy-2'-methylisoindolinone