7,8,9,10,18,19,20,21-Octakis-phenyl-23,25-dioxanonacyclo[14.6.1.15,12.17,10.118,21.02,15.04,13.06,11.017,22]hexacosa-2(15),3,8,13,19-pentaene-24,26-dione 、
丁炔二酸二甲酯 以
萘烷 为溶剂,
以75%的产率得到tetramethyl 1,4,5,8-tetrahydro-1,4:5,8-diepoxyanthracene-2,3,6,7-tetracarboxylate