1-acetyl-4,4-bis(4-hydroxy-3,5-dimethylphenyl)piperidine 、
1-{6-(4-Chloro-butoxy)-4-[3-(4-chloro-butoxy)-phenyl]-3,4-dihydro-1H-isoquinolin-2-yl}-ethanone 在
caesium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以21%的产率得到1,1'-(2',3',5',6'-tetramethylspiro[piperidine-4,10'-3,8,12,17-tetraoxa-1(4,6)-isoquinolina-2(1,3),9,11(1,4)-tribenzenacycloheptadecaphane]-1,2'-diyl)bis(ethan-1-one)