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1.
公开(公告)号:US20110112300A1
公开(公告)日:2011-05-12
申请号:US12673916
申请日:2009-05-25
IPC分类号: C07D215/14
CPC分类号: C07D215/18
摘要: A method for the preparation of montelukast and salts thereof has been described. The method comprises of following steps: (a) (S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-isopropenylphenyljpropyl methane sulphonate (styrene mesylate salt) (b) coupling with 1-(mercapto methyl)cyclopropane acetic acid followed by salification with an amine gives styrene amine salt (c) Converting styrene amine salt to Montelukast amine salt (d) Converting Montelukast amine salt to Montelukast free acid and or its required alkali/alkaline salt.
摘要翻译: 已经描述了制备孟鲁司特及其盐的方法。 该方法包括以下步骤:(a)(S)-1-(3 - ((E)-2-(7-氯喹啉-2-基)乙烯基)苯基)-3-(2-异丙烯基苯基丙基甲磺酸酯 甲磺酸盐)(b)与1-(巯基甲基)环丙烷乙酸偶联,然后用胺成盐,得到苯乙烯胺盐(c)将苯乙烯胺盐转化为孟鲁司特胺盐(d)将蒙特鲁卡斯特胺盐转化为蒙特鲁卡斯特游离酸和 或其所需的碱/碱盐。
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公开(公告)号:US20120232276A1
公开(公告)日:2012-09-13
申请号:US13474135
申请日:2012-05-17
IPC分类号: C07D215/36
CPC分类号: C07D215/18
摘要: A method for the preparation of montelukast and salts thereof has been described. The method comprises of following steps: (a) (S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyliphenyl)-3-(2-isopropenylphenyljpropyl methane sulphonate (styrene mesylate salt) (b) coupling with 1-(mercapto methyl)cyclopropane acetic acid followed by salification with an amine gives styrene amine salt (c) Converting styrene amine salt to Montelukast amine salt (d) Converting Montelukast amine salt to Montelukast free acid and or its required alkali/alkaline salt.
摘要翻译: 已经描述了制备孟鲁司特及其盐的方法。 该方法包括以下步骤:(a)(S)-1-(3 - ((E)-2-(7-氯喹啉-2-基)乙烯基联苯)-3-(2-异丙烯基苯基丙基甲磺酸盐(苯乙烯甲磺酸盐 )(b)与1-(巯基甲基)环丙烷乙酸偶联,然后用胺成盐,得到苯乙烯胺盐(c)将苯乙烯胺盐转化为孟鲁司特胺盐(d)将蒙特鲁卡斯特胺盐转化为蒙特鲁卡斯特游离酸和/ 需要碱/碱盐。
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3.
公开(公告)号:US20110092708A1
公开(公告)日:2011-04-21
申请号:US12376354
申请日:2007-07-31
申请人: Seeta Ramanjaneyulu Gorantla , Mohan Bandari , Venkata Sunil Kumar Indukuri , Srinivas Simhadri , Narasimha Rao Ketavarapu , Venkata Krishna Kishore Jammulaveera , Yaseen Mohammed
发明人: Seeta Ramanjaneyulu Gorantla , Mohan Bandari , Venkata Sunil Kumar Indukuri , Srinivas Simhadri , Narasimha Rao Ketavarapu , Venkata Krishna Kishore Jammulaveera , Yaseen Mohammed
IPC分类号: C07D215/18
CPC分类号: C07D215/18
摘要: The present invention relates to the alkyl amine salts of Montelukast and methods for their preparation and conversion of Montelukast amine salts to Montelukast or Montelukast alkali/alkaline salt.
摘要翻译: 本发明涉及孟鲁司特坦的烷基胺盐及其制备和转化孟鲁司特胺盐至孟鲁司特或蒙特鲁卡斯特碱/碱性盐的方法。
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公开(公告)号:US08367834B2
公开(公告)日:2013-02-05
申请号:US13474135
申请日:2012-05-17
IPC分类号: C07D215/18
CPC分类号: C07D215/18
摘要: A method for the preparation of montelukast and salts thereof has been described. The method comprises of following steps: (a) (S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-isopropenylphenyljpropyl methane sulphonate (styrene mesylate salt) (b) coupling with 1-(mercaptomethyl)cyclopropane acetic acid followed by salification with an amine gives styrene amine salt (c) Converting styrene amine salt to Montelukast amine salt (d) Converting Montelukast amine salt to Montelukast free acid and or its required alkali/alkaline salt.
摘要翻译: 已经描述了制备孟鲁司特及其盐的方法。 该方法包括以下步骤:(a)(S)-1-(3 - ((E)-2-(7-氯喹啉-2-基)乙烯基)苯基)-3-(2-异丙烯基苯基丙基甲磺酸酯 甲磺酸盐)(b)与1-(巯基甲基)环丙烷乙酸偶联,然后用胺成盐,得到苯乙烯胺盐(c)将苯乙烯胺盐转化为蒙特鲁卡斯特胺盐(d)将蒙特卡斯特胺盐转化为蒙特鲁卡斯特游离酸和/ 其所需的碱/碱盐。
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公开(公告)号:US08207343B2
公开(公告)日:2012-06-26
申请号:US12673916
申请日:2009-05-25
IPC分类号: C07D215/18
CPC分类号: C07D215/18
摘要: A method for the preparation of montelukast and salts thereof has been described. The method comprises of following steps: (a) (S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-isopropenylphenyl)propyl methane sulphonate (styrene mesylate salt) (b) coupling with 1-(mercapto methyl)cyclopropane acetic acid followed by salification with an amine gives styrene amine salt (c) Converting styrene amine salt to Montelukast amine salt (d) Converting Montelukast amine salt to Montelukast free acid and or its required alkali/alkaline salt.
摘要翻译: 已经描述了制备孟鲁司特及其盐的方法。 该方法包括以下步骤:(a)(S)-1-(3 - ((E)-2-(7-氯喹啉-2-基)乙烯基)苯基)-3-(2-异丙烯基苯基)丙基甲磺酸盐 (苯乙烯甲磺酸盐)(b)与1-(巯基甲基)环丙烷乙酸偶联,然后与胺成盐,得到苯乙烯胺盐(c)将苯乙烯胺盐转化为蒙特鲁卡斯特胺盐(d)将Montelukast胺盐转化为Montelukast 酸和/或其所需的碱/碱盐。
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公开(公告)号:US20090143590A1
公开(公告)日:2009-06-04
申请号:US11791049
申请日:2004-07-19
申请人: Satyanarayana Chava , Seeta Ramanjaneyulu Gorantla , Venkata Sunil Kumar Indukuri , Srinivas Simhadri , Vera Venkata Krishna Kishore Jammula
发明人: Satyanarayana Chava , Seeta Ramanjaneyulu Gorantla , Venkata Sunil Kumar Indukuri , Srinivas Simhadri , Vera Venkata Krishna Kishore Jammula
IPC分类号: C07D215/18
CPC分类号: C07D215/18
摘要: The present invention relates to an improved process for the preparation of 1-[[[(1R)-1-[3[(1E)-2-(7chloro-2-quinolinyl) ethenyl] phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic acid (Formula-1) and its salts using Methyl 2-[(3S)-[3-[(2E)-(7-chloro quinolin-2-yl) ethenyl] phenyl]-3-halopropyl] benzoate (Formula-2)
摘要翻译: 本发明涉及制备1 - [[(1R)-1- [3 [(1E)-2-(7-氯-2-喹啉基)乙烯基]苯基] -3- [2-( (3S) - [3 - [(2E) - (7-氯喹啉-2-基)甲基]苯基]丙基]硫基]甲基]环丙烷乙酸 - 基)乙烯基]苯基] -3-卤代丙基]苯甲酸甲酯(式-2)
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