5-[(4-methoxy-3,5-dimethylphenyl)sulfonyl]-6-methyl-5,6-dihydrophenanthridine 、
环己烯 、
三溴化硼 、
二氯甲烷 在
2,6-dimethyl-4-[(6-methylphenanthridin-5(6H)-yl)sulfonyl]phenol 、 crude product 、 silica gel 、
二氯甲烷 作用下,
以to yield 2,6-dimethyl-4-[(6-methylphenanthridin-5(6H)-yl)sulfonyl]phenol (0.79 g, 2.08 mmol, 82%) as a white solid, m.p. 211-213° C.的产率得到2,6-dimethyl-4-[(6-methylphenanthridin-5(6H)-yl)sulfonyl]phenol