(3-chloro-6-methyl-6H-phenanthridin-5-yl)-(4-methoxy-phenyl)-methanone 、
N-[1-(4'-chloro-2'-fluoro-1,1'-biphenyl-2-yl)ethyl]-4-methoxybenzamide 、
lithium hexamethyldisilazane 在
4-[(3-chloro-6-methylphenanthridin-5(6H)-yl)carbonyl]phenol 、
四氢呋喃 、
甲基叔丁基醚 、
正己烷 作用下,
以
四氢呋喃 为溶剂,
以affording 738 mg (75%) of the desired product的产率得到4-[(3-chloro-6-methylphenanthridin-5(6H)-yl)carbonyl]phenol