The Ring System Is 4-aza-bicyclo(3.2.0)heptane (including Unsaturated) And Has Sulfur Bonded Directly At The 2-position Patents (Class 540/350)
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Patent number: 11225461Abstract: Provided is a compound represented by Formula (1).Type: GrantFiled: July 29, 2019Date of Patent: January 18, 2022Assignees: NIKON CORPORATION, KANAGAWA UNIVERSITYInventors: Yusuke Kawakami, Kazuo Yamaguchi, Michiko Itou
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Patent number: 11117895Abstract: A process for producing crystals of a compound represented by the following formula (I): by crystallizing the compound from an aqueous solution containing the compound and an inorganic salt, such as sodium chloride. Such crystals can be subjected to lyophilization to provide a lyophilized composition having a desirable storage stability.Type: GrantFiled: March 8, 2019Date of Patent: September 14, 2021Assignee: MEIJI SEIKA PHARMA CO., LTD.Inventors: Takaya Ogawa, Takuya Yokoyama, Shusuke Furuyama, Masato Ichiki, Kenichi Fushihara
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Patent number: 9862709Abstract: The present invention relates to processes and intermediates for preparing compounds useful as inhibitors of ATR kinase, such as aminopyrazine-isoxazole derivatives and related molecules. The present invention also relates to compounds useful as inhibitors of ATR protein kinase. The invention relates to pharmaceutically acceptable compositions comprising the compounds of this invention; methods of treating of various diseases, disorders, and conditions using the compounds of this invention; processes for preparing the compounds of this invention; intermediates for the preparation of the compounds of this invention; and solid forms of the compounds of this invention. The compounds of this invention have formula I or II: wherein the variables are as defined herein.Type: GrantFiled: April 3, 2015Date of Patent: January 9, 2018Assignee: Vertex Pharmaceuticals IncorporatedInventors: Jean-Damien Charrier, John Studley, Francoise Yvonne Theodora Marie Pierard, Steven John Durrant, Benjamin Joseph Littler, Robert Michael Hughes, David Andrew Siesel, Paul Angell, Armando Urbina, Yi Shi
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Patent number: 9388184Abstract: Intermediates of Ertapenem of formula 2a wherein Np represents (I) or (II), and P1 and P2 represent carboxyl protecting groups, and their preparation methods. Compound 2a prepared by the present methods in solid form is amorphous. The present invention also relates to a composition comprising at least 95% of the intermediate of Ertapenem of formula 2a.Type: GrantFiled: April 30, 2010Date of Patent: July 12, 2016Assignee: CSPC ZHONGQI PHARMACEUTICAL TECHNOLOGY (SHIJIAZHUANG) CO., LTD.Inventors: Ying Shi, Kun Li, Zan Xie, Xuebin Zhao, Jian Lv, Xiuqin Yu
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Patent number: 9233963Abstract: The present invention relates to an improved method for synthesizing meropenem trihydrate[(1R,5S,6S)-2-[((2?S,4?S)-2?-dimethylaminocarbozyl)pyrrolidin-4?-ylthio]-6-[(R)-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylic acid, trihydrate], which is a novel carbapenem antibiotic.Type: GrantFiled: March 11, 2010Date of Patent: January 12, 2016Assignees: DAEWOONG PHARMACEUTICAL CO., LTD., DAEWOONG BIO, INC.Inventors: Yoon Seok Song, Sung Woo Park, Yeon Jung Yoon, Hee Kyoon Yoon, Seong Cheol Moon, Byung Goo Lee, Soo Jin Choi, Sun Ah Jun
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Patent number: 9169258Abstract: The present invention provides a doripenem intermediate compound shown by formula (XIV), wherein PNB is p-nitrobenzyl, and HX is an acid; and when HX is a monobasic acid, n=1; and when HX is a polybasic acid, n=2. The present invention also provides a process for preparing the doripenem intermediate compound (XIV). In addition, the present invention provides a process for preparing doripenem (I) from the doripenem intermediate compound (XIV) in a simple manner, with a high yield and low production costs. The new mono-protected doripenem intermediate compound provided in the present invention contains only one protecting group, reducing the difficulty and complexity in the subsequent de-protection step by catalytic hydrogenation, increasing the yield of the catalytic hydrogenation reaction, and thus reducing the production cost of the final product. The process is easy to operate and suitable for industrialized production.Type: GrantFiled: September 26, 2012Date of Patent: October 27, 2015Assignee: Shenzhen Haibin Pharmaceutical Co., Ltd.Inventors: Lisong Long, Zhaoqiang Lu, Cheng Ding, Guangcheng Li, Zhili Lv, Congquan Wu, Yanjun Zhang, Peng Ren
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Patent number: 9012628Abstract: Provided is a crystalline form E of ertapenem sodium. Further provided is a method for preparing a crystalline form E of ertapenem sodium, characterized by using an aqueous ertapenem sodium solution at a low concentration as a raw material. The crystalline form E can be easily filtered and dried, the properties in the drying process are stable, and the purity of the crystal is high and can be up to 98.5% or higher.Type: GrantFiled: December 22, 2011Date of Patent: April 21, 2015Assignee: CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co. Ltd.Inventors: Ying Shi, Kun Li, Xuebin Zhao, Zan Xie, Yuxiu Ma, Jian Lv, Ming Jia
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Patent number: 9000150Abstract: The present invention relates to a process for the preparation of pure meropenem trihydrate.Type: GrantFiled: October 21, 2011Date of Patent: April 7, 2015Assignee: Ranbaxy Laboratories LimitedInventors: Prashant Kumar Sharma, Bhupendra Vashishta, Shailendra K. Singh, Neera Tiwari, Subhash Dhar
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Publication number: 20150038700Abstract: The present invention provides a doripenem intermediate compound shown by formula (XIV), wherein PNB is p-nitrobenzyl, and HX is an acid; and when HX is a monobasic acid, n=1; and when HX is a polybasic acid, n=2. The present invention also provides a process for preparing the doripenem intermediate compound (XIV). In addition, the present invention provides a process for preparing doripenem (I) from the doripenem intermediate compound (XIV) in a simple manner, with a high yield and low production costs. The new mono-protected doripenem intermediate compound provided in the present invention contains only one protecting group, reducing the difficulty and complexity in the subsequent de-protection step by catalytic hydrogenation, increasing the yield of the catalytic hydrogenation reaction, and thus reducing the production cost of the final product. The process is easy to operate and suitable for industrialized production.Type: ApplicationFiled: September 26, 2012Publication date: February 5, 2015Inventors: Lisong Long, Zhaoqiang Lu, Cheng Ding, Guangcheng Li, Zhili Lv, Congquan Wu, Yanjun Zhang, Peng Ren
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Publication number: 20150031664Abstract: Novel crystals of a pyrrolidylthiocarbapenem derivative having excellent stability is provided. According to the present invention, a crystal of (+)-(4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3[[(3S,5S)-5-(sulfamoylaminomethyl)pyrrolidin-3-yl]thio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid having a diffraction pattern in powder X-ray diffraction having main peaks at diffraction angles (2?) of about 6.62, 13.04, 15.44, 16.58, 17.64, 20.88, 23.26, 25.02 and 25.52 (degrees) are provided.Type: ApplicationFiled: February 21, 2014Publication date: January 29, 2015Applicant: SHIONOGI & CO., LTD.Inventors: Izumi Saitoh, Masayuki Takahira, Toshio Kawakita, Yasuyuki Yoshioka
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Patent number: 8841444Abstract: The present invention relates to a process for the preparation of carbapenem compound of Formula (I), wherein P1 is hydrogen or a carboxyl protecting group, P3 is hydrogen or a hydroxyl protecting group, R1 is C1-3 alkyl, and A is selected from a group consisting of a) Formula (II), b) Formula (III), c) Formula (IV), d) Formula (V), e) Formula (VI), f) Formula (VII), wherein P2 is hydrogen or an amino protecting group, R2 and R3 may be same or different and are hydrogen, C1-5 alkyl, optionally substituted aryl, or optionally substituted heteroaryl, and X1 is O or S, or its stereoisomers, or salts thereof.Type: GrantFiled: July 30, 2009Date of Patent: September 23, 2014Assignee: Ranbaxy Laboratories LimitedInventors: Neera Tewari, Shailendra Kumar Singh, Brij Kishore Mishra, Saraswati Rani
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Patent number: 8822445Abstract: The present invention relates to the crystalline form of carbapenems derivative or hydrate thereof and the preparation methods thereof. Specifically, the present invention relates to the crystalline form of carbapenem derivative (4R,5S,6S)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-3-(((3S,5S)-5-((4-sulfamoylbenzyl)carbamoyl)pyrrolidin-3-yl)thio)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid as represented by formula (I) or hydrate thereof, characterized in that the X-ray powder diffraction pattern thereof using Cu-Ka radiation represented as 2? has characteristic peaks at 18.9±0.2, 19.4±0.2, 21.0±0.2, 21.7±0.2, and 23.4±0.2, the preparation methods thereof, and the use thereof in the preparation of medicament for treating and/or preventing infectious diseases, as well as a pharmaceutical composition comprising such compound and one or more pharmaceutical carriers and/or diluents.Type: GrantFiled: June 1, 2011Date of Patent: September 2, 2014Assignee: Xuanzhu Pharma Co., Ltd.Inventors: Zhenhua Huang, Yanyan Dong
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Patent number: 8729260Abstract: The present invention relates to an efficient process of synthesizing some known Ertapenem compounds and to provide new intermediate compounds of Meropenem and Doripenem. The process and the intermediate can substantially increase the effective yield and reduce the impurity generation. The present invention further provides a novel and effective process for recovering and purifying ertapenem compounds by utilizing a low cost, materials with chemical stability as a carrier for isolating ertapenem compounds from extracts.Type: GrantFiled: May 4, 2011Date of Patent: May 20, 2014Assignee: Savior Lifetec CorporationInventors: Wei-Hong Tseng, Wen-Hsin Chang, Chia-Mao Chang, Chia-Wei Yeh, Yuan-Liang Kuo
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Publication number: 20140121192Abstract: The present invention includes compositions, methods of making and using novel carbapenem compounds including active agents, compounds, antibacterial agents, pharmaceutically acceptable salts of C1?-C1? di-substituted carbapenem compounds, C5? substituted carbapenem compounds, C6?-C6? di-substituted carbapenem compounds and combinations thereof.Type: ApplicationFiled: October 29, 2013Publication date: May 1, 2014Applicant: Southern Methodist UniversityInventor: John D. Buynak
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Patent number: 8691803Abstract: The present invention relates to a process for the preparation of carbapenem antibiotic compounds, which are useful for intravenous and intramuscular administration.Type: GrantFiled: June 24, 2011Date of Patent: April 8, 2014Assignee: Savior Lifetec CorporationInventors: Wei-Hong Tseng, Wen-Hsin Chang, Shiuan-Ting Chuang
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Publication number: 20130281427Abstract: Provided is a crystalline form E of ertapenem sodium. Further provided is a method for preparing a crystalline form E of ertapenem sodium, characterized by using an aqueous ertapenem sodium solution at a low concentration as a raw material. The crystalline form E can be easily filtered and dried, the properties in the drying process are stable, and the purity of the crystal is high and can be up to 98.5% or higher.Type: ApplicationFiled: December 22, 2011Publication date: October 24, 2013Applicant: CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.Inventors: Ying Shi, Kun Li, Xuebin Zhao, Zan Xie, Yuxiu Ma, Jian Lv, Ming Jia
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Publication number: 20130253184Abstract: The present invention relates to a process for the preparation of pure meropenem trihydrate.Type: ApplicationFiled: October 21, 2011Publication date: September 26, 2013Applicant: Ranbaxy Laboratories LimitedInventors: Prashant Kumar Sharma, Bhupendra Vashishta, Shailendra K. Singh, Neera Tiwari, Subhash Dhar
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Patent number: 8445673Abstract: The present invention relates to a process for the preparation of sterile doripenem.Type: GrantFiled: March 23, 2009Date of Patent: May 21, 2013Assignee: Ranbaxy Laboratories LimitedInventors: Vinod George, Hashim Nizar Poovanathil Nagoor Meeran, Neera Tiwari, Mohan Prasad
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Publication number: 20130090325Abstract: The present invention relates to the crystalline form of carbapenems derivative or hydrate thereof and the preparation methods thereof. Specifically, the present invention relates to the crystalline form of carbapenem derivative (4R,5S,6S)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-3-(((3S,5S)-5-(4-sulfamoylbenzyl)carbamoyl)pyrrolidin-3-yl)thio)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid as represented by formula (I) or hydrate thereof, characterized in that the X-ray powder diffraction pattern thereof using Cu-Ka radiation represented as 2? has characteristic peaks at 18.9±0.2, 19.4±0.2, 21.0±0.2, 21.7±0.2, and 23.4±0.2, the preparation methods thereof, and the use thereof in the preparation of medicament for treating and/or preventing infectious diseases, as well as a pharmaceutical composition comprising such compound and one or more pharmaceutical carriers and/or diluents.Type: ApplicationFiled: June 1, 2011Publication date: April 11, 2013Applicant: XUANZHU PHARMA CO., LTDInventors: Zhenhua Huang, Yanyan Dong
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Publication number: 20130066066Abstract: The presently disclosed subject matter demonstrates that ThnG and ThnQ enzymes encoded by the thienamycin gene cluster in Streptomyces cattleya oxidize the C-2 and C-6 moieties of carbapenems, respectively. ThnQ stereospecifically hydroxylates PS-5 giving N-acetyl thienamycin. ThnG catalyzes sequential desaturation and sulfoxidation of PS-5, giving PS-7 and its sulfoxide. The ThnG and ThnQ enzymes are relatively substrate selective, but give rise to the oxidative diversity of carbapenems produced by S. cattleya, and orthologues likely function similarly in allied streptomyces.Type: ApplicationFiled: December 13, 2010Publication date: March 14, 2013Applicant: THE JOHNS HOPKINS UNIVERSITYInventors: Craig Arthur Townsend, Micah Jeffrey Bodner, Ryan Martin Phelan, Michael Francis Freeman
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Publication number: 20130059831Abstract: Novel crystals of a pyrrolidylthiocarbapenem derivative having excellent stability is provided. According to the present invention, a crystal of (+)-(4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3[[(3S,5S)-5-(sulfamoylaminomethyl)pyrrolidin-3-yl]thio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid having a diffraction pattern in powder X-ray diffraction having main peaks at diffraction angles (2?) of about 6.62, 13.04, 15.44, 16.58, 17.64, 20.88, 23.26, 25.02 and 25.52 (degrees) are provided.Type: ApplicationFiled: August 14, 2012Publication date: March 7, 2013Applicant: SHIONOGI & CO., LTD.Inventors: Izumi Saitoh, Masayuki Takahira, Toshio Kawakita, Yasuyuki Yoshioka
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Patent number: 8318716Abstract: The present invention includes novel carbapenem derivatives having structural formula (I) or (II): wherein R1, R2, R3, R4 are described in the specification. The present invention also provides pharmaceutical compositions comprising the novel carbapenem derivatives and the use of the novel carbapenem derivatives for treating infectious diseases.Type: GrantFiled: December 31, 2009Date of Patent: November 27, 2012Assignee: KBP Biosciences Co., Ltd.Inventors: Zhenhua Huang, Yanyan Dong
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Patent number: 8293895Abstract: The present invention relates to novel carbapenem derivatives and belongs to pharmaceutical field. Specifically, the present invention relates to the compounds as represented by formula (1), pharmaceutically acceptable salts, hydrolysable esters, isomers and intermediates thereof, wherein R1, R2, R3, R4 are described as in the description. The present invention also relates to the processes for the preparation of these compounds, to the pharmaceutical compositions comprising these compounds, and to their use for the manufacture of a medicament for the treatment and/or prevention of infectious diseases.Type: GrantFiled: June 26, 2008Date of Patent: October 23, 2012Assignee: KBP Biosciences Co., Ltd.Inventors: Zhenhua Huang, Yanyan Dong
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Patent number: 8293894Abstract: A process for the preparation of a carbapenem of formula (I): in amorphous form wherein R represents hydrogen or COOM and M represents hydrogen or sodium the process including condensing a compound of formula (II): wherein P? denotes a carboxy protecting group, with a compound of formula (III): wherein P? denotes a carboxy protecting group, in the presence of a base to yield a compound of formula (IV): deprotecting both the protecting groups in the compound of formula (IV) in the presence or absence of a sodium ion source, a solvent and in the presence or absence of CO2, gas, extracting the product into an aqueous medium, quenching the aqueous layer of into an alcohol at a temperature, and isolating the carbapenem compound of formula (I) in amorphous form.Type: GrantFiled: November 20, 2007Date of Patent: October 23, 2012Assignee: Orchid Chemicals & Pharmaceuticals LimitedInventors: Andrew Gnanaprakasam, Nagappan Arumugam, Palanisamy Senthilkumar Udayampalayam, Pandi Suresh Pandian, Venugopal Sivasankaran, Ganapathy Veeramani, Henry Syril Sudhan, Gollapalli Venkateswara Rao
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Patent number: 8247402Abstract: Novel crystals of a pyrrolidylthiocarbapenem derivative having excellent stability is provided. According to the present invention, a crystal of (+)-(4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3[[(3S,5S)-5-(sulfamoylaminomethyl)p yrrolidin-3-yl]thio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid having a diffraction pattern in powder X-ray diffraction having main peaks at diffraction angles (2?) of about 13.04, 14.98, 15.88, 16.62, 20.62, 21.06, 22.18, 23.90, 26.08, 28.22 and 28.98 (degrees) and a crystal of said compound having a diffraction pattern in powder X-ray diffraction having main peaks at diffraction angles (2?) of about 6.62, 13.04, 15.44, 16.58, 17.64, 20.88, 23.26, 25.02 and 25.52 (degrees) are provided.Type: GrantFiled: February 5, 2008Date of Patent: August 21, 2012Assignee: Shiongi & Co., Ltd.Inventors: Izumi Saitoh, Masayuki Takahira, Toshio Kawakita, Yasuyuki Yoshioka
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Publication number: 20120190842Abstract: The present invention relates to a process for the preparation of carbapenem antibiotic compounds, which is useful for intravenous and intramuscular administration.Type: ApplicationFiled: January 24, 2011Publication date: July 26, 2012Applicant: SAVIOR LIFETEC CORPORATIONInventors: Wei-Hong Tseng, Wen-Hsin Chang, Shiuan-Ting Chuang
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Publication number: 20120122833Abstract: The present application describes deuterium-enriched meropenem, pharmaceutically acceptable salt forms thereof, and methods of treating using the same.Type: ApplicationFiled: November 11, 2010Publication date: May 17, 2012Applicant: PROTIA, LLCInventor: Anthony W. Czarnik
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Publication number: 20120095209Abstract: Intermediates of Ertapenem of formula 2a wherein Np represents (I) or (II), and P1 and P2 represent carboxyl protecting groups, and their preparation methods. Compound 2a prepared by the present methods in solid form is amorphous. The present invention also relates to a composition comprising at least 95% of the intermediate of Ertapenem of formula 2a.Type: ApplicationFiled: April 30, 2010Publication date: April 19, 2012Applicant: CSPC ZHONGQI PHARMACEUTICAL TECHNOLOGY (SHIJIAZHUANG) CO., LTD.Inventors: Ying Shi, Kun Li, Zan Xie, Xuebin Zhao, Jian Lv, Xiuqin Yu
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Publication number: 20120095210Abstract: The present invention provides a novel process for the preparation of the meropenem trihydrate of formula (I).Type: ApplicationFiled: December 29, 2011Publication date: April 19, 2012Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LIMITEDInventors: Senthilkumar SURULICHAMY, Selvakumar SEKAR, Pramod Narayan DESHPANDE, Panchapakesan GANPATHY, Rajendra Janardan SARANGDHAR, Syril Sudhan HENRY, Sanjay Nivruti KARALE, Arvind Atmaram JANGALE, Ram Dattatray KALDATE
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Patent number: 8148520Abstract: A process for preparing purified Meropenem trihydrate that involves the dissolution of Meropenem in water in presence of base, adjusting the pH to 4.0-7.0, and adding solvent to yield Meropenem trihydrate.Type: GrantFiled: September 15, 2006Date of Patent: April 3, 2012Assignee: Orchid Chemicals and Pharmaceuticals LimitedInventors: Senthilkumar Surulichamy, Selvakumar Sekar, Pramod Narayan Deshpande, Panchapakesan Ganpathy, Rajendra Janardan Sarangdhar, Syril Sudhan Henry, Sanjay Nivruti Karale, Arvind Atmaram Jangale, Ram Dattatray Kaldate
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Publication number: 20120065392Abstract: The present invention relates to an improved method for synthesizing meropenem trihydrate [(1R,5S,6S)-2-[((2?S,4?S)-2?-dimethylaminocarbozyl)pyrrolidin-4?-ylthio]-6-[(R)-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylic acid, trihydrate], which is a novel carbapenem antibiotic.Type: ApplicationFiled: March 11, 2010Publication date: March 15, 2012Applicants: DAEWOONG BIO INC., DAEWOONG PHARMACEUTICAL CO., LTD.Inventors: Yoon Seok Song, Sung Woo Park, Yeon Jung Yoon, Hee Kyoon Yoon, Seong Cheol Moon, Byung Goo Lee, Soo Jin Choi, Sun Ah Jun
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Publication number: 20120035357Abstract: The present invention relates to an improved process for the preparation of the carbapenem antibiotic of formula (I) or its salts, hydrates and esters. The present invention further provides novel crystalline form of compound of general formula (III), wherein R3 is p-nitrobenzyloxy carbonyl.Type: ApplicationFiled: February 25, 2010Publication date: February 9, 2012Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LTD.Inventors: Sureshkumar Kanagaraj, Senthilkumar Udayampalayam Palanisamy, Maruthi Chandrasekhara Kishor Addanki, Vinod Babu Dasari, John Bosco John Peter, Karthikeyan Lakshmi Narayanan
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Publication number: 20120022040Abstract: Compounds useful as antimicrobials are provided, as are methods of use and preparation of such compounds and compositions containing such compounds. In one embodiment, the compounds are derivatives having a carbapenem core, and are useful for treating a microorganism infection.Type: ApplicationFiled: December 1, 2009Publication date: January 26, 2012Inventors: Mitchell W. Mutz, Kenneth J. Barr, Gergely Makara, Ronald Alan Aungst, JR.
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Patent number: 8097719Abstract: The present invention relates to novel crystalline form of (4-Nitrobenzyl (4R,5S,6S)-(3-{(3S,5S)-5-[(dimethylamino)carbonyl]-1-[(4-nitrophenoxy)carbonxyl]pyrrolidin-3-yl}thio-6-[(1R)-1-hydorxyehtyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0].hept-2-ene-2-carboxylate) of compound Formula I as well as an improved process for the preparation of meropenem trihydrate of compound Formula II wherein, PNB represent P-nitro benzyl group and PNZ represent P-nitrobenzyloxycarbonyl group.Type: GrantFiled: October 22, 2008Date of Patent: January 17, 2012Assignee: Genesen LabsInventors: Ashwin A. Khemka, Pravin B. Shejul, Amol V. Vyavahare, Dhirendra Kumar Pandey, Sachin N. Shete, Hanumant K. Jadhav, Nitn H. Kadam
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Patent number: 8093378Abstract: An improved crystallization method for an azetidinone compound represented by the formula 1: , which is extremely useful as a common intermediate for the synthesis of 1?-methylcarbapenem compounds. The present method provides crystals having higher quality and stability than conventional crystals and excellent filterability at the time of recovery; and an azetidinone compound having a low content of impurity, and which has a controlled particle size distribution of crystals and improved handleability and stability. The crystallization is carried out by adding a hydrocarbon solvent to a solution in which an azetidinone compound extremely useful as a common intermediate for the synthesis of 1?-methylcarbapenem compounds is dissolved in the presence of a seed crystal in an amount of 200% by weight or less based on the weight of the azetidinone compound.Type: GrantFiled: April 18, 2007Date of Patent: January 10, 2012Assignee: Kaneka CorporationInventors: Keita Nishino, Teruyoshi Koga, Masafumi Fukae, Yasuyoshi Ueda
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Publication number: 20110288290Abstract: The present invention relates to preparing carbapenem intermediates that are useful to produce Ertapenem, Meropenem and Doripenem; and provides an effective process for recovering ertapenem compounds.Type: ApplicationFiled: May 4, 2011Publication date: November 24, 2011Applicant: SAVIOR LIFETEC CORPORATIONInventors: Wei-Hong Tseng, Wen-Hsin Chang, Chia-Mao Chang, Chia-Wei Yeh, Yuan-Liang Kuo
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Publication number: 20110288289Abstract: The present invention relates to preparing carbapenem intermediates that are useful to produce Ertapenem, Meropenem and Doripenem.Type: ApplicationFiled: May 19, 2010Publication date: November 24, 2011Applicant: SAVIOR LIFETEC CORPORATIONInventors: Wei-Hong Tseng, Wen-Hsin Chang, Yuan-Liang Kuo, Chia-Mao Chang
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Publication number: 20110224426Abstract: The present invention relates to a process for the preparation of carbapenem compound of Formula (I), wherein P1 is hydrogen or a carboxyl protecting group, P3 is hydrogen or a hydroxyl protecting group, R1 is C1-3 alkyl, and A is selected from a group consisting of a) Formula (II), b) Formula (III), c) Formula (IV), d) Formula (V), e) Formula (VI), f) Formula (VII), wherein P2 is hydrogen or an amino protecting group, R2 and R3 may be same or different and are hydrogen, C1-5 alkyl, optionally substituted aryl, or optionally substituted heteroaryl, and X1 is O or S, or its stereoisomers, or salts thereof.Type: ApplicationFiled: July 30, 2009Publication date: September 15, 2011Inventors: Neera Tewari, Shailendra Kumar Singh, Brij Kishore Mishra, Saraswati Rani
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Publication number: 20110224425Abstract: An object of the present invention is to provide a carbapenem synthetic intermediate which is advantageous in an industrial process. There are provided a process for producing Compound (I), or a pharmaceutically acceptable salt, or a solvate, or a crystal thereof, comprising reacting Compound (III) and Compound (IV) in the presence of the secondary amine, and a benzyl alcoholated crystal of Compound (I). There are further provided a method of deprotecting Compound (I) with a Pd catalyst, and a crystal of Compound (IV).Type: ApplicationFiled: March 21, 2011Publication date: September 15, 2011Inventors: Masaaki UENAKA, Yasuyuki HOZUMI, Kouichi NOGUCHI, Tadafumi KOMURASAKI
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Publication number: 20110172201Abstract: The present invention relates to a process for preparing a carbapenem antibiotic composition. The present invention further relates to a carbapenem antibiotic composition substantially free of degradation impurities. The present invention further relates to a polymorphic form of ertapenem mono sodium designated as Form D and its preparation.Type: ApplicationFiled: June 12, 2009Publication date: July 14, 2011Applicant: Ranbaxy Laboratories LimitedInventors: Vinod George, Bhupendra Vashishta, Mohan Prasad, Naresh Kumar, Vinod Kumar Arora
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Publication number: 20110160177Abstract: The present invention includes novel carbapenem derivatives having structural formula (I) or (II): wherein R1, R2, R3, R4 are described in the specification. The present invention also provides pharmaceutical compositions comprising the novel carbapenem derivatives and the use of the novel carbapenem derivatives for treating infectious diseases.Type: ApplicationFiled: December 31, 2009Publication date: June 30, 2011Inventors: Zhenhua HUANG, Yanyan DONG
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Publication number: 20110118229Abstract: The present invention provides a 2-arylmethylazetidine-carbapenem-3-carboxylic acid ester derivative or its pharmaceutically acceptable salt, a process for the preparation thereof, and a pharmaceutical composition comprising the same. The 2-arylmethylazetidine-carbapenem-3-carboxylic acid ester derivatives or their pharmaceutically acceptable salts show high oral absorption rate, and thus can be orally administered. The active metabolites thereof have a broad spectrum of antibacterial activities against Gram-positive and Gram-negative bacteria and excellent antibacterial activities against methicillin-resistant Staphylococcus aurus (MRSA) and quinolone-resistant strains (QRS). In particular, the acid addition salts of the 2-arylmethylazetidine-carbapenem-3-carboxylic acid ester derivatives are obtained in crystalline forms having excellent stability.Type: ApplicationFiled: November 18, 2008Publication date: May 19, 2011Applicants: KUKJE PHARM. IND. CO., LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Young-Ro Choi, Bong-Jin Kim, Bok-Ju Song, Bum-Soo Lee, Dong-Woo Lee, Dong-Geun Seo, Young-Cheol Jeong, Si-Min Kim, Jee-Woong Kwon, Jae-Yang Kong, Heeyeong Cho
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Patent number: 7932381Abstract: An object of the present invention is to provide a carbapenem synthetic intermediate which is advantageous in an industrial process. There are provided a process for producing Compound (I), or a pharmaceutically acceptable salt, or a solvate, or a crystal thereof, comprising reacting Compound (III) and Compound (IV) in the presence of the secondary amine, and a benzyl alcoholated crystal of Compound (I). There are further provided a method of deprotecting Compound (I) with a Pd catalyst, and a crystal of Compound (IV).Type: GrantFiled: February 14, 2006Date of Patent: April 26, 2011Assignee: Shionogi & Co., Ltd.Inventor: Yasuyuki Hozumi
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Publication number: 20110082293Abstract: The present invention relates to a process for the preparation of sterile doripenem.Type: ApplicationFiled: March 23, 2009Publication date: April 7, 2011Applicant: RANBAXY LABORATORIES LIMITEDInventors: Vinod George, Hashim Nizar Poovanathil Nagoor Meeran, Neera Tiwari, Mohan Prasad
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Publication number: 20110046107Abstract: The present invention relates to a compound of the formula (I), pharmaceutically acceptable salts, hydrolysable esters, isomers and hydrates thereof, and hydrates of the said esters or salts, wherein R1, R2, R3 and are as defined in the description. The present invention further relates to a process for preparing the compounds, to pharmaceutical compositions comprising the compounds, and to the use of the compounds in the manufacture of a medicament for the treatment and/or prophylaxis of infectious diseases.Type: ApplicationFiled: August 7, 2008Publication date: February 24, 2011Inventors: Zhenhua Huang, Liang Sun
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Publication number: 20100292463Abstract: Disclosed is a process for producing a carbapenem compound represented by Formula [1], which is characterized by allowing a base and a Lewis acid metal salt to coexist in the reaction of a compound represented by Formula [2] with a compound represented by Formula [3]. According to the process, a side-chain mercaptothiazole can be introduced into a ?-lactam skeleton efficiently in the production of a ?-lactam compound having an excellent antibacterial activity against a Gram-positive bacterium. [3] [2] [1] wherein R1 represents a lower alkyl group or the like; R2 represents hydrogen atom or the like; R3 represents a protective group for a carboxyl group; L represents an active ester of a hydroxy group; R4 represents hydrogen atom or the like; and R5 represents hydrogen atom or the like.Type: ApplicationFiled: January 22, 2009Publication date: November 18, 2010Inventors: Shoji Watanabe, Takashi Tsukimura
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Publication number: 20100286389Abstract: A stable crystal (Form I crystal) of (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-({4-[(5S)-5-methyl-2,5-dihydro-1H-pyrrol-3-yl]-1,3-thiazol-2-yl}thio)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid which has preferable properties and a process for preparation Form I crystal which is characterized of desolvating a solvated crystal of its compound.Type: ApplicationFiled: December 11, 2008Publication date: November 11, 2010Applicant: DAINIPPON SUMITOMO PHARMA CO., LTD.Inventors: Tatsuo Yokoyama, Masanori Itoh, Koji Takamoto
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Publication number: 20100256082Abstract: The present invention is directed to methods for screening for metallohydrolase inhibitors using metal binding moieties in combination with targeting moieties.Type: ApplicationFiled: June 12, 2007Publication date: October 7, 2010Applicant: Viamet Pharmaceuticals, Inc.Inventor: Robert J. Schotzinger
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Publication number: 20100240886Abstract: The present invention has its object to provide an easy process for producing (4R,5S,6S)-3-[[(3S,5S)-5-(dimethylaminocarbonyl)-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, excellent in antimicrobial activity. The present invention relates to a process for continuously producing (4R,5S,6S)-3-[[(3S,5S)-5-(dimethylaminocarbonyl)-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid without isolating/purifying the reaction intermediate.Type: ApplicationFiled: March 27, 2007Publication date: September 23, 2010Applicant: Kaneka CorporationInventors: Keita Nishino, Teruyoshi Koga
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Publication number: 20100197653Abstract: The present invention relates to novel carbapenem derivatives and belongs to pharmaceutical field. Specifically, the present invention relates to the compounds as represented by formulae (1) and (2), pharmaceutically acceptable salts, hydrolysable esters, isomers and intermediates thereof, wherein R1, R2, R3, R4 are described as in the description. The present invention also relates to the processes for the preparation of these compounds, to the pharmaceutical compositions comprising these compounds, and to their use for the manufacture of a medicament for the treatment and/or prevention of infectious diseases.Type: ApplicationFiled: June 26, 2008Publication date: August 5, 2010Applicant: KBP Biosciences Co., Ltd.Inventors: Zhenhua Huang, Yanyan Dong