N-(5-bromomethyl-pyrazin-2-yl)-2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentylpropionamide 在
sodium thiomethoxide 作用下,
以
丙酮 为溶剂,
反应 4.5h,
以58%的产率得到2-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-N-(5-methylsulfanylmethyl-pyrazin-2-yl)-propionamide