一氧化碳   、                                                                                      
3',5'-Difluoro-4-hydroxy-5-(3-hydroxy-3,3-diphenyl-prop-1-ynyl)-biphenyl-3-carboxylic acid [2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-amide                                                                                                                                                              在
                                                                                                                                         bis-triphenylphosphine-palladium(II) chloride                                                                                                                                                                                                                               
1,3-双(二苯基膦)丙烷   、                                                                                                  
cesium acetate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        以67%的产率得到7-(3,5-Difluoro-phenyl)-1-oxo-3,3-diphenyl-1,3-dihydro-benzo[b]furo[3,4-d]furan-5-carboxylic acid [2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-amide