5-(cyclobutylmethyl)-1,2,4-oxadiazol-3-amine 、 (1S,3S)-methyl 3-((2-(5-chloro-3-formylthiophen-2-yl)-4-cyanopyrimidin-5-yl)oxy)cyclohexanecarboxylate 在
溶剂黄146 、 sodium cyanoborohydride 作用下,
以
乙醇 为溶剂,
反应 12.0h,
以47%的产率得到(1S,3S)-methyl 3-((2-(5-chloro-3-(((5-(cyclobutylmethyl)-1,2,4-oxadiazol-3-yl)amino)methyl)thiophen-2-yl)-4-cyanopyrimidin-5-yl)oxy)cyclohexanecarboxylate