1-acetyl-4-[4-(4-chlorobutoxy)phenyl]-4-(4-hydroxy-5-iodo-3-methoxyphenyl)piperidine                                                                                                                                                              在
                                                                                                                                                                                 
caesium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 72.0h,
                                                                                                                以43%的产率得到1,1''-diacetyl-5',20'-iodo-33',37'-dimethoxydispiro(piperidine-4,2'-[7,12,22,27]tetraoxapentacyclo[26.2.2.2
3,6.2
13,16.2
18,21]octatriaconta[3,5,13,15,18,20,28,30,31,33,35,37]dodecaene-17',4''-piperidine)