Hydroxypioglitazone 、
ethanol hydrochloride 在
乙醇 作用下,
反应 0.5h,
以to obtain 5-[4-[2-[5-(1-hydroxyethyl)-2-pyridyl]ethoxy]benzyl]-2,4-thiazolidinedione hydrochloride (0.21 g, yield: 62%) as colorless prisms, m.p. 212°-213° C.的产率得到5-[[4-[2-[5-(1-hydroxyethyl)pyridin-2-yl]ethoxy]phenyl]methyl]-1,3-thiazolidine-2,4-dione hydrochloride