(7R,7aR,8R,13S,13aS,14S)-10,11-dibromo-5,7,7a,8,13,13a,14,16-octahydro-5,16:7,14-bis([1,2]benzeno)-8,13-epoxyhexacene 在
硫酸 、
溶剂黄146 作用下,
以61%的产率得到21,22-Dibromodecacyclo[14.10.6.65,12.02,15.04,13.06,11.017,26.019,24.027,32.033,38]octatriaconta-2(15),3,6,8,10,13,17(26),18,20,22,24,27,29,31,33,35,37-heptadecaene