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公开(公告)号:US20030181725A1
公开(公告)日:2003-09-25
申请号:US10322778
申请日:2002-12-19
Applicant: ASAHI GLASS COMPANY LTD.
Inventor: Shu-zhong Wang , Takashi Okazoe , Yasushi Matsumura
IPC: C07D47/02
CPC classification number: C07D405/12
Abstract: A method of producing amorphous paroxetine hydrochloride, which comprises converting paroxetine or its lower alkanoic acid salt into paroxetine hydrochloride and then spray drying a solution of the hydrochloride.
Abstract translation: 一种生产无定形帕罗西汀盐酸盐的方法,其包括将帕罗西汀或其低级链烷酸盐转化为盐酸帕罗西汀,然后喷雾干燥盐酸盐溶液。
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公开(公告)号:US20020198387A1
公开(公告)日:2002-12-26
申请号:US10157045
申请日:2002-05-30
Applicant: ASAHI GLASS COMPANY LTD.
Inventor: Shu-zhong Wang , Yasushi Matsumura
IPC: C07D45/02
CPC classification number: C07D405/12
Abstract: A process for producing a paroxetine represented by the following formula (4), which comprises reacting an N-alkylpiperidine represented by the following general formula (1) with a haloformic acid ester represented by the general formula (2) to prepare an alkoxycarbonylpiperidine represented by the general formula (3), and hydrolyzing the alkoxycarbonylpiperidine under alkaline conditions: 1 wherein each of R1 and R2 is a lower alkyl group, a lower cycloalkyl group, an aralkyl group or CmF2mnull1 (wherein m is an integer of from 1 to 6), and X is a halogen atom.
Abstract translation: 一种由下述通式(4)表示的帕罗西汀生产方法,其特征在于:将下述通式(1)表示的N-烷基哌啶与通式(2)表示的卤代甲酸酯反应,制备由 通式(3),在碱性条件下水解烷氧基羰基哌啶:其中R1和R2分别为低级烷基,低级环烷基,芳烷基或CmF2m + 1(其中m为1〜6的整数) ),X为卤素原子。
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