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::: 技術移轉

專利名稱 Method for the purification of Piribedil
專利證號 US7241891B2
國別 美國
獲證日期 2007-07-10
專利摘要 A method for purifying Piribedil includes mixing Piribedil solid having a purity of 98% by weight with water, boiling the mixture, adding slowly 95% ethanol to the boiling mixture to form a clear liquid, filtering the hot clear liquid, cooling the filtrate to obtain a white crystal having a purity of 99.8% by weight of Piribedil.

IPC國際分類號

C07D040304 | C07D040512