Crystalline base of escitalopram and orodispersible tablets comprising escitalopram base
    11.
    发明授权
    Crystalline base of escitalopram and orodispersible tablets comprising escitalopram base 有权
    依他普仑和包含依他普仑碱的分散片的结晶基

    公开(公告)号:US07723533B2

    公开(公告)日:2010-05-25

    申请号:US12046999

    申请日:2008-03-12

    IPC分类号: C07D307/87

    CPC分类号: C07D307/81

    摘要: The present invention relates to the crystalline base of the well known antidepressant drug escitalopram, S-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzo-furancarbonitrile, formulations of said base, a process for the preparation of purified salts of escitalopram, such as the oxalate, using the base, the salts obtained by said process and formulations containing such salts, and a process for the preparation of purified escitalopram free base or salts of escitalopram, such as the oxalate, using the hydrobromide, the salts obtained by said process and formulations containing such salts. Finally the present invention relates to an orodispersible tablet having a hardness of at least 22 N and an oral-disintegration time of less than 120 s and comprising an active pharmaceutical ingredient adsorbed onto a water soluble filler wherein the active pharmaceutical ingredient has a melting point in the range of 40-100° C., as well as a method for making such an orodispersible tablet.

    摘要翻译: 本发明涉及众所周知的抗抑郁药物依他普仑S-1- [3-(二甲基氨基)丙基] -1-(4-氟苯基)-1,3-二氢-5-异苯并呋喃腈的结晶碱,其制剂 的所述碱的方法,使用碱,通过所述方法获得的盐以及含有这些盐的制剂来制备依他普仑的纯化盐如草酸盐的方法,以及制备纯化的依他普仑游离碱或其盐的方法 使用氢溴酸盐,通过所述方法获得的盐和含有这些盐的制剂,例如草酸盐。 最后,本发明涉及硬度至少为22N,口服崩解时间小于120秒的可分散片剂,其包含吸附在水溶性填料上的活性药物成分,其中活性药物成分的熔点为 40-100℃的范围,以及制造这种可分散片剂的方法。

    CRYSTALLINE BASE OF ESCITALOPRAM AND ORODISPERSIBLE TABLETS COMPRISING ESCITALOPRAM BASE
    12.
    发明申请
    CRYSTALLINE BASE OF ESCITALOPRAM AND ORODISPERSIBLE TABLETS COMPRISING ESCITALOPRAM BASE 有权
    包括ESCITALOPRAM基板的晶圆和可折叠片

    公开(公告)号:US20080161388A1

    公开(公告)日:2008-07-03

    申请号:US12046984

    申请日:2008-03-12

    IPC分类号: A61K31/343 C07D307/87

    CPC分类号: C07D307/81

    摘要: The present invention relates to the crystalline base of the well known antidepressant drug escitalopram, S-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzo-furancarbonitrile, formulations of said base, a process for the preparation of purified salts of escitalopram, such as the oxalate, using the base, the salts obtained by said process and formulations containing such salts, and a process for the preparation of purified escitalopram free base or salts of escitalopram, such as the oxalate, using the hydrobromide, the salts obtained by said process and formulations containing such salts. Finally the present invention relates to an orodispersible tablet having a hardness of at least 22 N and an oral-disintegration time of less than 120 s and comprising an active pharmaceutical ingredient adsorbed onto a water soluble filler wherein the active pharmaceutical ingredient has a melting point in the range of 40-100° C., as well as a method for making such an orodispersible tablet.

    摘要翻译: 本发明涉及众所周知的抗抑郁药物依他普仑S-1- [3-(二甲基氨基)丙基] -1-(4-氟苯基)-1,3-二氢-5-异苯并呋喃腈的结晶碱,其制剂 的所述碱的方法,使用碱,通过所述方法获得的盐以及含有这些盐的制剂来制备依他普仑的纯化盐如草酸盐的方法,以及制备纯化的依他普仑游离碱或其盐的方法 使用氢溴酸盐,通过所述方法获得的盐和含有这些盐的制剂,例如草酸盐。 最后,本发明涉及硬度至少为22N,口服崩解时间小于120秒的可分散片剂,其包含吸附在水溶性填料上的活性药物成分,其中活性药物成分的熔点为 40-100℃的范围,以及制造这种可分散片剂的方法。

    CRYSTALLINE BASE OF CITALOPRAM
    14.
    发明申请
    CRYSTALLINE BASE OF CITALOPRAM 审中-公开
    CITALOPRAM的晶体碱基

    公开(公告)号:US20060229459A1

    公开(公告)日:2006-10-12

    申请号:US11425308

    申请日:2006-06-20

    IPC分类号: C07D307/02

    摘要: The present invention relates to the crystalline base of the well known antidepressant drug citalopram, 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarbonitrile, formulations of said base, a process for the preparation of purified salts of citalopram, such as the hydrobromide, using the base, the salts obtained by said process and formulations containing such salts.

    摘要翻译: 本发明涉及众所周知的抗抑郁药物西酞普兰,1- [3-(二甲基氨基)丙基] -1-(4-氟苯基)-1,3-二氢-5-异苯并呋喃腈的结晶碱,所述碱的制剂, 制备西酞普兰纯化盐的方法,例如使用碱的氢溴酸盐,通过所述方法获得的盐和含有这些盐的制剂。

    Method for the preparation of citalopram
    18.
    发明授权
    Method for the preparation of citalopram 失效
    西酞普兰制备方法

    公开(公告)号:US06762308B2

    公开(公告)日:2004-07-13

    申请号:US10237145

    申请日:2002-09-05

    申请人: Hans Petersen

    发明人: Hans Petersen

    IPC分类号: C07D30787

    CPC分类号: C07D307/87

    摘要: The present invention relates to a method for the preparation of citalopram by alkylation of a 1-(4-fluorophenyl)-1,3-dihydroisobenzofurane derivative.

    摘要翻译: 本发明涉及通过1-(4-氟苯基)-1,3-二氢异苯并呋喃衍生物的烷基化制备西酞普兰的方法。

    Method for the preparation of citalopram
    19.
    发明授权
    Method for the preparation of citalopram 失效
    西酞普兰制备方法

    公开(公告)号:US06717000B2

    公开(公告)日:2004-04-06

    申请号:US10238843

    申请日:2002-09-09

    申请人: Hans Petersen

    发明人: Hans Petersen

    IPC分类号: C07D30778

    CPC分类号: C07D307/87

    摘要: The present invention relates to a method for the preparation of citalopram comprising reduction of a compound of formula wherein X is a cyano group or a group which can be converted to a cyano group, and if X is not a cyano group followed by conversion of X to a cyano group.

    摘要翻译: 本发明涉及一种制备西酞普兰的方法,包括还原糠醛的化合物X是氰基或可以转化成氰基的基团,如果X不是氰基,随后将X转化为 氰基。

    Method for the preparation of citalopram
    20.
    发明授权
    Method for the preparation of citalopram 有权
    西酞普兰制备方法

    公开(公告)号:US06229026B1

    公开(公告)日:2001-05-08

    申请号:US09479832

    申请日:2000-01-07

    申请人: Hans Petersen

    发明人: Hans Petersen

    IPC分类号: C07D30783

    摘要: A method for the preparation of citalopram comprising the steps of reacting a compound of Formula (IV) wherein R1 is C1-6 alkyl and X is O or NH, successively with a Grignard reagent of 4-halogen-fluorophenyl and a Grignard reagent of 3-halogen-N,N-dimethylpropylamine, respectively, effecting ring-closure of the resulting compound of Formula (V) wherein R1 and X are as defined above, and converting the resulting 1,3-dihydroisobenzofuran compound to the corresponding 5-cyano derivative, i.e. citalopram.

    摘要翻译: 一种制备西酞普兰的方法,包括以下步骤:使R 1为C 1-6烷基且X为O或NH的式(Ⅳ)化合物依次与4-卤代 - 氟苯基的格氏试剂和3位的格利雅试剂 - 卤素-N,N-二甲基丙胺,使所得到的式(Ⅴ)化合物闭环,其中R 1和X如上定义,并将所得1,3-二氢异苯并呋喃化合物转化为相应的5-氰基衍生物 ,即西酞普兰。