3-[2-(2-chloro-ethoxy-methyl)-6-trifluoromethyl-pyridine-3-carbonyl]-4-hydroxy-bicyclo[3.2.1]oct-3-en-2-one 、
5-methyl-3H-[1,3,4]thiadiazol-2-one; sodium salt 在
sodium hydride 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 22.0h,
以55.7%的产率得到3-{2-[3-(2-hydroxy-4-oxo-bicyclo[3,2,1]oct-2-ene-3-carbonyl)-6-trifluoromethyl-pyridin-2-ylmethoxy]-ethyl}-5-methyl-3H-[1,3,4]thiadiazol-2-one