1-tosyl-8-chloro-3,6-dioxaoctane 、 5,7,12,13b,13c,14-hexahydro-1,4,8,11-tetrahydroxy-13b,13c-diphenyl-6H,13H-5a,6a,12a,13a-tetraazabenz[5,6]azuleno[2,1,8-ija]benz[f]azulene-6,13-dione 在
氢氧化钾 作用下,
生成 1,3:4,6-Bis<1,4-(9-chloro-1,4,7-trioxanonyl)-2,3-xylylene>tetrahydro-3a,6a-diphenylimidazo<4,5-d>imidazole-2,5(1H,3H)-dione