3-p-toluoylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4-trione 、
2',5',5'-trimethyl-4',5'-dihydro-4H-spiro[naphthalene-1,3'-pyrrol]-4-one 以
苯 为溶剂,
反应 0.08h,
以97%的产率得到4''-hydroxy-1''-(2-hydroxyphenyl)-3',3'-dimethyl-3''-(4-methylbenzoyl)-2',3'-dihydrodispiro[naphthalene-1,1'-pyrrolizine-6',2''-pyrrole]-4,5',5''(1''H)-trione