(S)-4-(3-hydroxy-2-methylpropoxy)benzoic acid 4'-cyanobiphenyl-4-yl ester   、                                                                                      
1,2-bis[6-(3,5-dihydroxy)phenyl-2-methyl-1-benzothiophen-3-yl]perfluorocyclopentene                                                                                                                                                              在
                                                                                                                                                                                 
三苯基膦   、                                                                                                  
偶氮二甲酸二乙酯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以53%的产率得到1,2-bis[6-[3,5-bis[(R)-3-[4-[(4'-cyanobiphenyl-4-yl)oxycarbonyl]-phenoxy]-2-methyl-propoxy]phenyl]-2-methyl-1-benzothiophen-3-yl]perfluorocyclopentene