Preparation of Aseptic 3-[2-[4-((6-Fluoro-1,2-Benzisoxazol-3-Yl)-1-Piperidinyl]-6,7,8,9-Tetrahydro-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-a]Pyrimidin-4-One Palmitate Ester
    2.
    发明申请
    Preparation of Aseptic 3-[2-[4-((6-Fluoro-1,2-Benzisoxazol-3-Yl)-1-Piperidinyl]-6,7,8,9-Tetrahydro-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-a]Pyrimidin-4-One Palmitate Ester 审中-公开
    无菌3- [2- [4 - ((6-氟-1,2-苯并异恶唑-3-基)-1-哌啶基] -6,7,8,9-四氢-9-羟基-2-甲基 -4H-吡啶并[1,2-a]嘧啶-4-酮棕榈酸酯

    公开(公告)号:US20080214808A1

    公开(公告)日:2008-09-04

    申请号:US11912452

    申请日:2006-04-20

    IPC分类号: C07D239/70

    CPC分类号: C07D471/04

    摘要: The present invention concerns a process for preparing aseptic crystalline 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one palmitate ester (I) substantially free of 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (II-a), 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3 -yl)-1-piperidinyl]ethyl]-6,7-dihydro-2-methyl-4H-pyrido[1,2-a]-pyrimidin-4-one (II-b), and 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-ethyl]-6,7,8,9-tetrahydro-2-methyl-9-pentadecyl-4H-pyrido[1,2-a]pyrimidin-4-one (III), and having an average particle size ranging from 20 to 150 μm.

    摘要翻译: 本发明涉及制备无菌结晶的3- [2- [4-(6-氟-1,2-苯并异恶唑-3-基)-1-哌啶基]乙基] -6,7,8,9-四氢 -9-羟基-2-甲基-4H-吡啶并[1,2-a]嘧啶-4-酮棕榈酸酯(I),基本上不含3- [2- [4-(6-氟-1,2-苯并异恶唑 -3-基)-1-哌啶基]乙基] -6,7,8,9-四氢-9-羟基-2-甲基-4H-吡啶并[1,2-a]嘧啶-4-酮(II-a ),3- [2- [4-(6-氟-1,2-苯并异恶唑-3-基)-1-哌啶基]乙基] -6,7-二氢-2-甲基-4H-吡啶并[1,2 -a] - 嘧啶-4-酮(II-b)和3- [2- [4-(6-氟-1,2-苯并异恶唑-3-基)-1-哌啶基] - 乙基] 7,8,9-四氢-2-甲基-9-十五烷基-4H-吡啶并[1,2-a]嘧啶-4-酮(III),平均粒径为20-150μm。