2-(Bromomethyl)-1-[2-(bromomethyl)-3-phenylphenyl]-3-phenylbenzene 、
(S)-4,5-dihydro-3H-dinaphtho[2,1-c:1',2'-e]azepine 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
生成 (S)-4,8-diphenyl-3',5,5',7-tetrahydrospiro[dibenzo[c,e]azepine-6,4'-dinaphtho[2,1-c:1',2'-e]azepin]-6-ium bromide