3-hydroxy-4-(2-hydroxybenzoyl)-1-[3-(dimethylamino)propyl]-1,5-dihydro-2H-pyrrole-5-spiro-[3'(1'-methyl-1',3'-dihydro-2'H-indole)]-2,2'-dione 在
溶剂黄146 作用下,
反应 1.0h,
以67%的产率得到2-[3-(dimethylamino)propyl]-1,2-dihydrochromeno[2,3-c]pyrrole-1-spiro[3'(1'-methyl-1',3'-dihydro-2'H-indol)]-3,9,2'-trione