2-amino-N-(-4-cyano-1-propyl-piperidin-4-yl)-3-cyclohexylpropionamide bis hydrochloride salt 、
三乙胺 、
N,N-diethyl carbamoyl thiocyanate 在
ethyl acetate hexanes 、
乙酸乙酯 、
methanol-dichloromethane 作用下,
以
乙腈 为溶剂,
反应 16.0h,
以ethyl acetate and finally methanol: methylene chloride 1:9 as the eluant) to provide the desired product as a light yellow solid (340 mg, 49%)的产率得到N-(4-Cyano-1-methyl-piperidin-4-yl)-3-cyclohexyl-2-(3-diethylamino-carbonyl-thioureido)-propionamide