2-(3,5-bis-trifluoromethyl-phenyl)-N-[4'-(4-fluoro-2-methyl-phenyl)-4-hydroxy-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-5'-yl]-N-methyl-isobutyramide 、
硫代乙酸 在
三苯基膦 、
偶氮二甲酸二乙酯 作用下,
以
四氢呋喃 为溶剂,
反应 0.25h,
以59%的产率得到thioacetic acid 5'-{[2-(3,5-bis-trifluoromethyl-phenyl)-2-methyl-propionyl]-methyl-amino}-4'-(4-fluoro-2-methyl-phenyl)-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-4-yl ester