4-乙炔-四氢-2H-吡喃-4-醇 、
2(R)-(4-methanesulfonyl-phenyl)-3-cyclopentyl-5-bromo-pyrazin-2-yl-propionamide 在
bis(triphenylphosphine)palladium(II) dichloride
copper(l) iodide 、
N,N-二异丙基乙胺 作用下,
以
甲苯 为溶剂,
以78.5%的产率得到3-cyclopentyl-N-5-[(4-hydroxy-tetrahydropyran-4-yl-ethynyl)pyrazin-2-yl]-2(R)-(4-methanesulfonyl-phenyl)-propionamide