2-(methylthio)-5-[(trimethylsilyl)ethynyl]pyrimidine   、                                                                                      
1-(([(4S)-4-methyl-2,5-dioxoimidazolidin-4-yl]methyl)sulfonyl)-1,2,3,6-tetrahydropyridin-4-yl trifluoromethanesulfonate                                                                                                                                                              在
                                                                                                                                         bis-triphenylphosphine-palladium(II) chloride   、                                                                                                  
copper(l) iodide                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 6.0h,
                                                                                                                生成                                                 (5S)-5-methyl-5-({[4-{[2-(methythio)pyrimidin-5-yl]ethynyl}-3,6-dihydropyridin-1(2H)-yl]sulfonyl}methyl)imidazolidine-2,4-dione