6'-Amino-3'-methyl-1'-phenylspiro[1,2-dihydroindene-3,4'-pyrano[2,3-c]pyrazole]-5'-carbonitrile 、 formamide 反应 3.0h,
以65%的产率得到6'-Methyl-4'-phenylspiro[1,2-dihydroindene-3,8'-2-oxa-4,5,11,13-tetrazatricyclo[7.4.0.03,7]trideca-1(13),3(7),5,9,11-pentaene]-10'-amine