5a,11a-Dichloro-5a,5b,11a,11b-tetrahydro-dibenzo[b,h]biphenylene-5,6,11,12-tetraone 、 5a,11a-Dibromo-5a,5b,11a,11b-tetrahydro-dibenzo[b,h]biphenylene-5,6,11,12-tetraone 、
乙醇 生成
5a,11a-Diethoxy-5a,5b,11a,11b-tetrahydro-dibenzo[b,h]biphenylene-5,6,11,12-tetraone