2,5,8,11,14,17-Hexaoxa-22lambda6-thiatricyclo[16.7.0.020,24]pentacosa-1(18),19,24-triene 22,22-dioxide 、
1,4-萘醌 以
邻二氯苯 为溶剂,
以67%的产率得到19,22,25,28,31,34-Hexaoxapentacyclo[16.16.0.03,16.05,14.07,12]tetratriaconta-1,3,5(14),7,9,11,15,17-octaene-6,13-dione