(5Z)-5-({1-[2,4-bis(trifluoromethyl)benzyl]piperidin-4-yl}methylidene)-4-{[2-(2-hydroxyethoxy)ethyl]amino}-1,3-thiazol-2(5H)-one 、 ethyl acetate hydrochloride 在
Ethanol heptane 作用下,
以
甲基叔丁基醚 为溶剂,
反应 1.0h,
以to give the title compound (5.63 g)的产率得到(5Z)-5-({1-[2,4-bis(trifluoromethyl)benzyl]piperidin-4-yl}methylidene)-4-{[2-(2-hydroxyethoxy)ethyl]amino}-1,3-thiazol-2(5H)-one hydrochloride