N-(4-硼苯)琥珀酰胺酸   、                                                                                      
5-iodo-2,2-dimethyl-10-propyl-2H,8H-pyrano[2,3-f]chromen-8-one                                                                                                                                                              在
                                                                                                                                                                                 
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride   、                                                                                                  potassium fluoride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                                                        以61%的产率得到4-(4-(2,2-dimethyl-10-propyl-2H,8H-pyrano[2,3-f]chromen-8-one-5-yl)phenylamino)-4-oxobutanoic acid