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1.Process for the preparation of pyrazinone thrombin inhibitor and its intermediates 有权
标题翻译: 吡嗪酮凝血酶抑制剂及其中间体的制备方法公开(公告)号:US08541580B2
公开(公告)日:2013-09-24
申请号:US12938297
申请日:2010-11-02
申请人: Reguri Buchi Reddy , Upparapalli Sampathkumar , Nilam Sahu , Jawaji Karunakara Rao , Gade Brahma Reddy
发明人: Reguri Buchi Reddy , Upparapalli Sampathkumar , Nilam Sahu , Jawaji Karunakara Rao , Gade Brahma Reddy
IPC分类号: C07D401/14
CPC分类号: C07D401/14
摘要: Improved process for the preparation of 3-fluoro-2-pyridylmethyl-3-(2,2-difluoro-2-(2-pyridyl)ethylamino)-6-chloropyrazin-2-one-1-acetamide of formula (I) and its intermediates is provided.
摘要翻译: 改进式(I)的3-氟-2-吡啶基甲基-3-(2,2-二氟-2-(2-吡啶基)乙基氨基)-6-氯吡嗪-2-酮-1-乙酰胺的制备方法和 提供其中间体。
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公开(公告)号:US20120178937A1
公开(公告)日:2012-07-12
申请号:US13348930
申请日:2012-01-12
申请人: Buchi Reddy REGURI , Sampathkumar UPPARAPALLI , Nilam SAHU , Karunakara Rao JAVVAJI , Brahma Reddy GADE
发明人: Buchi Reddy REGURI , Sampathkumar UPPARAPALLI , Nilam SAHU , Karunakara Rao JAVVAJI , Brahma Reddy GADE
IPC分类号: C07D471/04
CPC分类号: C07D471/04
摘要: The present invention provides an improved process for the preparation of Alosetron of formula (I) and its pharmaceutically acceptable salts.
摘要翻译: 本发明提供了制备式(I)的奥洛司琼及其药学上可接受的盐的改进方法。
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3.PROCESS FOR THE PREPARATION OF PYRAZINONE THROMBIN INHIBITOR AND ITS INTERMEDIATES 有权
标题翻译: 制备吡唑啉酮抑制剂及其中间体的方法公开(公告)号:US20110105753A1
公开(公告)日:2011-05-05
申请号:US12938297
申请日:2010-11-02
申请人: Reguri Buchi Reddy , Upparapalli Sampathkumar , Nilam Sahu , Jawaji Karunakara Rao , Gade Brahma Reddy
发明人: Reguri Buchi Reddy , Upparapalli Sampathkumar , Nilam Sahu , Jawaji Karunakara Rao , Gade Brahma Reddy
IPC分类号: C07D401/14
CPC分类号: C07D401/14
摘要: Improved process for the preparation of 3-fluoro-2-pyridylmethyl-3-(2,2-difluoro-2-(2-pyridyl)ethylamino)-6-chloropyrazin-2-one-1-acetamide of formula (I) and its intermediates is provided.
摘要翻译: 改进式(I)的3-氟-2-吡啶基甲基-3-(2,2-二氟-2-(2-吡啶基)乙基氨基)-6-氯吡嗪-2-酮-1-乙酰胺的制备方法和 提供其中间体。
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