发明名称 |
METHOD FOR PREPARING LEVOSULPIRIDE AND INTERMEDIATES USED THEREIN |
摘要 |
PURPOSE: Provided are a method for preparing Levosulpiride which increases the pressure of a sphincteral muscle, promotes the vermiculation of the gullet and facilitates digestion, in high yield and purity and intermediates used therein. CONSTITUTION: The method for preparing Levosulpiride of the formula(I) is characterized by treating a compound of the formula(V) with trifluoroacetate. In the formulae, R1 and R2 are independently hydrogen atom or 1-4 of lower alkyl or phenyl; R3 is a phenyl derivative of the formula(VIII) or naphthyl derivative of the formula(IX).
|
申请公布号 |
KR20020092123(A) |
申请公布日期 |
2002.12.11 |
申请号 |
KR20010031027 |
申请日期 |
2001.06.02 |
申请人 |
HWAIL PHARMA. CO., LTD. |
发明人 |
KIM, JONG HO;PARK, TAE HO;WANG, HAN CHEOL;WOO, HYE GYEONG;YANG, MIN SEUNG;YOON, JIN YEONG |
分类号 |
C07D207/14;(IPC1-7):C07D207/14 |
主分类号 |
C07D207/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|