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公开(公告)号：US07919633B2
公开(公告)日：2011-04-05
申请号：US12051059
申请日：2008-03-19
申请人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Alla , Thirupathi Reddy Akki , Yakambram Bojja
发明人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Alla , Thirupathi Reddy Akki , Yakambram Bojja
IPC分类号： C07D231/12
CPC分类号： C07D231/12 , C07C311/39
摘要： There is provided a process for preparation of celecoxib by reacting 4,4,4-trifluoro-1-[4-(methyl)phenyl]butane-1,3-dione with 4-sulphonamidophenylhydrazine or its salt in a solvent medium that contains an alkyl ester. There is also provided a process for the purification of celecoxib using aromatic hydrocarbon solvents.
摘要翻译： 提供了一种通过使4,4,4-三氟-1- [4-（甲基）苯基]丁烷-1,3-二酮与4-磺酰胺基苯肼或其盐在含有 烷基酯。 还提供了使用芳烃溶剂来净化塞来昔布的方法。
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公开(公告)号：US20080234491A1
公开(公告)日：2008-09-25
申请号：US12051059
申请日：2008-03-19
申请人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Alla , Thirupathi Reddy Akki , Yakambram Bojja
发明人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Alla , Thirupathi Reddy Akki , Yakambram Bojja
IPC分类号： C07D231/14 , C07C243/10 , C07C311/16
CPC分类号： C07D231/12 , C07C311/39
摘要： There is provided a process for preparation of celecoxib by reacting 4,4,4-trifluoro-1-[4-(methyl)phenyl]butane-1,3-dione with 4-sulphonamidophenylhydrazine or its salt in a solvent medium that contains an alkyl ester. There is also provided a process for the purification of celecoxib using aromatic hydrocarbon solvents.
摘要翻译： 提供了一种通过使4,4,4-三氟-1- [4-（甲基）苯基]丁烷-1,3-二酮与4-磺酰胺基苯肼或其盐在含有 烷基酯。 还提供了使用芳烃溶剂来净化塞来昔布的方法。
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公开(公告)号：US20090149662A1
公开(公告)日：2009-06-11
申请号：US12328374
申请日：2008-12-04
申请人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Alla , Sreenivasulu Kurella , Janardana Sarma Ramachandra Kopparapu , Rama Krishna Venkata Medisetti , Srinivasula Reddy Maddula
发明人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Alla , Sreenivasulu Kurella , Janardana Sarma Ramachandra Kopparapu , Rama Krishna Venkata Medisetti , Srinivasula Reddy Maddula
IPC分类号： C07D209/18 , C07D403/06 , C07D403/12 , G01N21/00
CPC分类号： C07D209/18 , C07D403/06 , C07D403/12
摘要： An improved process for the preparation of substantially pure zafirlukast and pharmaceutical compositions thereof.
摘要翻译： 一种用于制备基本上纯的扎非司酮及其药物组合物的改进方法。
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公开(公告)号：US20070066824A1
公开(公告)日：2007-03-22
申请号：US11534226
申请日：2006-09-22
IPC分类号： C07D405/02
CPC分类号： C07D405/12
摘要： A process for preparing alfuzosin or a salt thereof, which minimizes the concentration of an N1-(4-amino-6,7-dimethoxyquinazolin-2-yl)-N1-methyl-N 2-(4-amino-6,7-dimethoxyquinazolin-2-yl)-propane-1,3-diamine impurity in the product.
摘要翻译： 制备阿夫唑嗪或其盐的方法，其使N 1 - （4-氨基-6,7-二甲氧基喹唑啉-2-基）-N 1 SUP的浓度最小化 （4-氨基-6,7-二甲氧基喹唑啉-2-基） - 丙烷-1,3-二胺杂质。
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公开(公告)号：US20130274284A1
公开(公告)日：2013-10-17
申请号：US13814596
申请日：2011-08-02
申请人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Aalla , Dattatray Shamrao Metil , Srinivas Kurella , Kavitha Charagondla
发明人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Aalla , Dattatray Shamrao Metil , Srinivas Kurella , Kavitha Charagondla
IPC分类号： C07D495/04
CPC分类号： C07D495/04 , A61K31/4365
摘要： The present application relates to process for the preparation of prasugrel, its pharmaceutically acceptable salts, and its intermediates.
摘要翻译： 本申请涉及制备普拉格雷及其药学上可接受的盐及其中间体的方法。
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6.发明申请PROCESSES FOR PREPARING PIOGLITAZONE AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS 审中-公开制备PIOGLITAZONE及其药物接受口服的方法公开(公告)号：US20090118514A1
公开(公告)日：2009-05-07
申请号：US12265142
申请日：2008-11-05
申请人： Raghupathi Reddy Anumula , Goverdhan Gilla , Lokeswara Rao Madivada , Prabhakar Macharla , Kavitha Charagondla
发明人： Raghupathi Reddy Anumula , Goverdhan Gilla , Lokeswara Rao Madivada , Prabhakar Macharla , Kavitha Charagondla
IPC分类号： C07D417/12
CPC分类号： C07D417/12
摘要： An improved process for the preparation of pioglitazone and its pharmaceutically acceptable salts by reducing 5-[4-[2-(5-ethyl-2-pyridyl)ethoxy]benzilidene]-2,4-thiazolidinedione with sodium borohydride in presence of a cobalt ion and dimethyl glyoxime. More particularly the cobalt ion used is cobalt chloride hexahydrate, or, cobalt (II) nitrate hexahydrate in presence of mixture of DMF and water as solvents.
摘要翻译： 一种通过在钴存在下还原5- [4- [2-（5-乙基-2-吡啶基）乙氧基]亚苄基] -2,4-噻唑烷二酮与硼氢化钠来制备吡格列酮及其药学上可接受的盐的改进方法 离子和二甲基乙二醛。 更具体地说，所用的钴离子是氯化钴六水合物，或硝酸钴（II）六水合物，在DMF和水的混合物存在下作为溶剂。
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公开(公告)号：US20110151258A1
公开(公告)日：2011-06-23
申请号：US13036520
申请日：2011-02-28
申请人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Aalla , Lokeswara Rao Madivada , Prabhaker Macherla , Srinivas Kurella , Kavitha Charagondla , Ramamurthy Kasula , Rajagopala Rao Mandadapu , Krishaniah Charagondla , Malati Vakamulla , Durga Prasad Janaki Bhavanipurapu
发明人： Raghupathi Reddy Anumula , Goverdhan Gilla , Sampath Aalla , Lokeswara Rao Madivada , Prabhaker Macherla , Srinivas Kurella , Kavitha Charagondla , Ramamurthy Kasula , Rajagopala Rao Mandadapu , Krishaniah Charagondla , Malati Vakamulla , Durga Prasad Janaki Bhavanipurapu
IPC分类号： B32B5/16 , C07D295/15
CPC分类号： C07D295/15 , Y10T428/2982
摘要： Preparation of ranolazine and intermediates thereof, for use in pharmaceutical compositions comprising ranolazine.
摘要翻译： 雷诺嗪及其中间体的制备，用于包含雷诺嗪的药物组合物中。
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公开(公告)号：US20070225320A1
公开(公告)日：2007-09-27
申请号：US11691295
申请日：2007-03-26
IPC分类号： A61K31/4743 , C07D498/02
CPC分类号： C07D495/04
摘要： A process for preparing clopidogrel or a salt thereof.
摘要翻译： 氯吡格雷或其盐的制备方法。
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公开(公告)号：US20070049756A1
公开(公告)日：2007-03-01
申请号：US11467951
申请日：2006-08-29
IPC分类号： C07D405/02
CPC分类号： C07D405/12
摘要： Alfuzosin hydrochloride crystalline and amorphous polymorphic forms and processes for preparing them.
摘要翻译： 盐酸阿夫唑嗪结晶和无定形多晶型及其制备方法。
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公开(公告)号：US20170037055A1
公开(公告)日：2017-02-09
申请号：US15304740
申请日：2015-04-19
申请人： Prasada Raju Vetukuri Vnkv , Goverdhan Gilla , Ambaiah Boini , Krishna Prasad Chigurupati , Grannules India Limited
IPC分类号： C07D498/22
CPC分类号： C07D498/22 , C07B2200/13
摘要： The present invention relates to an improved and industrially advantageous process for the preparation of Rifaximin with high purity and yield. Particularly, the present invention relates to improved processes for the preparation of Rifaximin from Rifamycin O and S. More particularly the present invention relates to a process for the preparation of Rifaximin through 3-halorifamycin S. The present invention further relates to a novel polymorph of Rifaximin and process for its preparation.
摘要翻译： 本发明涉及一种用于制备具有高纯度和产率的利福昔明的改进和工业上有利的方法。 特别地，本发明涉及从利福霉素O和S制备利福昔明的改进方法。更具体地说，本发明涉及通过3-卤代霉素S制备利福昔明的方法。本发明还涉及一种新型多晶型物 利福昔明及其制备方法。
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