2-ethyl-5-[(trimethylsilyl)ethynyl]pyridine 、 1-(([(4S)-4-methyl-2,5-dioxoimidazolidin-4-yl]methyl)sulfonyl)-1,2,3,6-tetrahydropyridin-4-yl trifluoromethanesulfonate 在
氯化亚铜 、
双三苯基磷二氯化钯 (5S)-5-({[4-[(6-ethylpyridin-3-yl)ethynyl]-3,6-dihydropyridin-1(2H)-yl]sulfonyl}methyl)-5-methylimidazolidine-2,4-dione 、
乙酸乙酯 、
水 、 Brine 作用下,
反应 6.0h,
以gave the title compound as a solid (20 mg)的产率得到(5S)-5-({[4-[(6-ethylpyridin-3-yl)ethynyl]-3,6-dihydropyridin-1(2H)-yl]sulfonyl}methyl)-5-methylimidazolidine-2,4-dione