6'-amino-3'-methyl-1'-phenylspiro[2,3-dihydro-1H-naphthalene-4,4'-pyrano[2,3-c]pyrazole]-5'-carbonitrile 、 formamide 在
甲酸 作用下,
反应 5.0h,
以55%的产率得到6'-methyl-4'-phenylspiro[2,3-dihydro-1H-naphthalene-4,8'-2-oxa-4,5,11,13-tetrazatricyclo[7.4.0.03,7]trideca-1(9),3(7),5,12-tetraene]-10'-one