2-(5',5'-Dimethyl-4-oxospiro[naphthalene-1,3'-pyrrolidine]-2'-ylidene)acetamide 、
3-benzoylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4-trione 以
乙腈 为溶剂,
反应 0.03h,
以79%的产率得到3-benzoyl-5'6'-dihydro-4-hydroxy-1-(2-hydroxyphenyl)-5',5'-dimethyl-3',4'',5-trioxodispiro[naphthalene-1''(4''H),7'-[7H]pyrrolizine-2'(3'H),2-[2H]pyrrole]-1'-carboxamide