Plural Rings In A Substituent E Patents (Class 564/221)
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Patent number: 10683256Abstract: The present invention relates to a process for preparing substituted biphenyls via Suzuki coupling using specific phosphorus ligands and a solvent mixture containing water, a non-polar organic solvent and a polar aprotic co-solvent.Type: GrantFiled: August 22, 2016Date of Patent: June 16, 2020Assignee: BASF SEInventors: Xiaoming Xu, Chao Huang, Timo Frassetto
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Publication number: 20140336252Abstract: The present invention provides compounds having the structure represented by general formula I, pharmaceutically acceptable salts thereofagonist, preparation methods therefor and a use thereof in the preparation of a medicine for the treatment of nervous system diseases. The compounds or pharmaceutical compositions thereof can be used as the KCNQ potassium channel agonist for treating nervous system diseases. Compared to retigabine, a compound in the prior art, the compound of the present invention have the same or better therapeutic effect, are easier for synthesis and storage, and less prone to oxidate deterioration.Type: ApplicationFiled: October 23, 2012Publication date: November 13, 2014Inventors: Fajun Nan, Min Li, Zhaobing Gao, Fei Chen, Yangming Zhang, Pingzheng Zhou, Haining Hu, Haiyan Xu, Sheng Liu
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Patent number: 8871976Abstract: The invention includes a compound represented by the following structural formula: wherein is described herein. The compounds of the invention are useful in staining embryonic stem cells.Type: GrantFiled: August 26, 2011Date of Patent: October 28, 2014Assignees: National University of Singapore, Agency for Science, Technology and ResearchInventors: Young-Tae Chang, Sung Chan Lee, Nam Young Kang
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Publication number: 20140274699Abstract: Described herein are methods and compositions for enhancing pathogen immunity in plants and improving plant growth.Type: ApplicationFiled: March 11, 2014Publication date: September 18, 2014Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Thomas Eulgem, Melinda Rodriguez-Salus, Colleen M. Knoth
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Patent number: 8741259Abstract: Disclosed are oxo-hydroquinazolines that are useful as selective TSHR agonists. The compounds may be used for detecting or treating thyroid cancer, or treating a bone degenerative disorder.Type: GrantFiled: October 20, 2008Date of Patent: June 3, 2014Inventors: Marvin C. Gershengorn, Susanne Neumann, Bruce M. Raaka, Craig J. Thomas, James Inglese, Noel T. Southall, Steven Titus, Wei Zheng, Wenwei Huang, Gerd Krause, Gunnar Kleinau
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Publication number: 20140135300Abstract: The compound of formula (I) is a water-stable, long acting ?2-selective adrenoceptor agonist useful as a bronchodilator in the treatment of bronchoconstriction associated with reversible obstructive airways diseases and the like. Processes for making the compound of formula (I), as well as related intermediates, are disclosed.Type: ApplicationFiled: January 17, 2014Publication date: May 15, 2014Applicant: SUNOVION PHARMACEUTICALS INC.Inventors: Craig R. Abolin, H. Scott Wilkinson, Paul McGlynn, William K. McVicar
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Patent number: 8722929Abstract: This invention provides compounds of formula A and formula B which are modulators of potassium ion channels and are useful for the treatment of seizure disorders.Type: GrantFiled: October 10, 2007Date of Patent: May 13, 2014Assignee: Valeant Pharmaceuticals InternationalInventors: Jean-Michel Vernier, Jianlan Song, Huanming Chen, Zhi Hong
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Publication number: 20140080800Abstract: The present invention relates to compounds of formula (I): or a pharmaceutically acceptable salt, hydrate, solvate, or prodrug thereof, wherein U, J, V, X, R2a, R2b, R2c, R5 and t are as described herein. The present invention relates generally to inhibitors of histone deacetylase and to methods of making and using them. These compounds are useful for promoting cognitive function and enhancing learning and memory formation. In addition, these compounds are useful for treating, alleviating, and/or preventing various conditions, including for example, neurological disorders, memory and cognitive function disorders/impairments, extinction learning disorders, fungal diseases and infections, inflammatory diseases, hematological diseases, and neoplastic diseases in humans and animals.Type: ApplicationFiled: October 28, 2013Publication date: March 20, 2014Inventors: Edward Holson, Florence Fevrier Wagner, Michel Weiwer, Li-Huei Tsai, Stephen Haggarty, Yan-Ling Zhang
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Patent number: 8664441Abstract: The compound of formula (I) is a water-stable, long acting ?2-selective adrenoceptor agonist useful as a bronchodilator in the treatment of bronchoconstriction associated with reversible obstructive airways diseases and the like. Processes for making the compound of formula (I), as well as related intermediates, are disclosed.Type: GrantFiled: July 3, 2013Date of Patent: March 4, 2014Assignee: Sunovion Pharmaceuticals Inc.Inventors: Craig R. Abolin, H. Scott Wilkinson, Paul McGlynn, William K. McVicar
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Publication number: 20130331568Abstract: The invention provides compounds of formula I wherein n, A, R, R?, R?, R0, X and Y are as defined in the description, and their preparation. The compounds of formula I are useful as pharmaceuticals.Type: ApplicationFiled: August 15, 2013Publication date: December 12, 2013Applicant: Novartis AGInventors: Fabrizio Gasparini, Yves Auberson, Silvio Ofner, Terance W. Hart, Kaspar Zimmermann
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Publication number: 20130296607Abstract: The compound of formula (I) is a water-stable, long acting ?2-selective adrenoceptor agonist useful as a bronchodilator in the treatment of bronchoconstriction associated with reversible obstructive airways diseases and the like. Processes for making the compound of formula (I), as well as related intermediates, are disclosed.Type: ApplicationFiled: July 3, 2013Publication date: November 7, 2013Inventors: Craig R. Abolin, H. Scott Wilkinson, Paul McGlynn, William K. McVicar
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Publication number: 20130230542Abstract: Provided are compounds according to the following Formula I: The Formula I compounds are activated in the presence of reactive oxygen species (ROS) and are therefore selective anti-cancer therapeutics for cancers associated with elevated ROS. Also provided are methods and pharmaceutical compositions for treating cancers associated with increased ROS.Type: ApplicationFiled: March 1, 2013Publication date: September 5, 2013Applicants: CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER, UNIVERSITY OF CINCINNATIInventors: Edward J. Merino, James C. Mulloy, Guorui Li, Tiffany Bell-Horwath
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Publication number: 20130225596Abstract: The present invention provides novel compounds having a P2X3 and/or P2X2/3 receptor antagonistic effect. A pharmaceutical composition having a P2X3 and/or P2X2/3 receptor antagonistic effect comprising a compound of the formula (I): wherein ring A is substituted or unsubstituted 5 to 7-membered cycloalkane, substituted or unsubstituted 5 to 7-membered cycloalkene or the like; C is a carbon atom; —X— is —N(R16)— or the like; R16 is hydrogen, substituted or unsubstituted alkyl or the like; R7 is substituted or unsubstituted 5- or 6-membered heteroaryl, substituted or unsubstituted 6 to 10 membered aryl; Q1 and Q2 are each independently a carbon atom or a nitrogen atom; -L- is —O—, —S— or the like; R6 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl or the like; R2 is hydrogen, hydroxy or the like, or its pharmaceutically acceptable salt or a solvate thereof.Type: ApplicationFiled: August 9, 2011Publication date: August 29, 2013Inventors: Hiroyuki Kai, Takeshi Endoh, Sae Jikihara, Kentaro Asahi, Tohru Horiguchi
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Publication number: 20130224790Abstract: The invention includes a compound represented by the following structural formula: wherein is described herein. The compounds of the invention are useful in staining embryonic stem cells.Type: ApplicationFiled: August 26, 2011Publication date: August 29, 2013Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, NATIONAL UNIVERSITY OF SINGAPOREInventors: Young-Tae Chang, Sung Chan Lee, Nam Young Kang
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Patent number: 8501994Abstract: The compound of formula (I) is a water-stable, long acting ?2-selective adrenoceptor agonist useful as a bronchodilator in the treatment of bronchoconstriction associated with reversible obstructive airways diseases and the like.Type: GrantFiled: August 22, 2008Date of Patent: August 6, 2013Assignee: Sunovion Pharmaceuticals Inc.Inventors: Craig R. Abolin, H. Scott Wilkinson, Paul McGlynn, William K. McVicar
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Patent number: 8487109Abstract: The present invention relates to a process for the regioselective synthesis of compounds of the formula (I), wherein R1; R2; R3; R4; R5; J and W have the meanings indicated in the claims. The present invention provides an efficient and general palladium-catalyzed coupling process for aryl tosylates with terminal alkynes to a wide variety of substituted, multifunctional aryl-1-alkynes of the formula I.Type: GrantFiled: December 23, 2009Date of Patent: July 16, 2013Assignee: SanofiInventors: Omar Rkyek, Marc Nazare, Andreas Lindenschmidt, Matthias Urmann, Nis Halland, Jorge Alonso
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Patent number: 8455689Abstract: The present invention relates to a process for preparing substituted biphenylanilides of the formula I wherein R1 is a protected amino group which comprises reacting a compound of formula II in the presence of a base and of a palladium catalyst in a solvent, with an organoboron compound of formula (III)Type: GrantFiled: April 24, 2009Date of Patent: June 4, 2013Assignee: Bayer CropScience AGInventors: Michael Dockner, Heiko Rieck, Wahed Ahmed Moradi, Norbert Lui
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Patent number: 8436211Abstract: The present invention relates to a process for the preparation of substituted biphenyls by reacting aryl halides with tetraarylborates in the presence of palladium catalysts.Type: GrantFiled: August 30, 2010Date of Patent: May 7, 2013Assignee: Bayer CropScience AGInventors: Wahed Ahmed Moradi, Norbert Lui, Michael Dockner, Thomas Jagusch
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Publication number: 20130018077Abstract: Provided are alkynyl phenyl derivative compounds, pharmaceutical compositions thereof, and methods of treating ophthalmic diseases and disorders, such as age-related macular degeneration and Stargardt's Disease, using said compounds and compositions.Type: ApplicationFiled: September 14, 2012Publication date: January 17, 2013Applicant: Acucela Inc.Inventors: Ian Leslie Scott, Vladmir Aleksandrovich Kuksa, Mark W. Orme, Thomas Little, Anna Gall, Jennifer Gage, Feng Hong
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Publication number: 20130018026Abstract: The present invention provides compositions and methods for the targeted delivery, release and/or formation of a drug compound at a target site(s) within the body of an individual, such as a diseased and/or inflamed tissue in the body of the individual. These compositions may comprise a halogenated phenol ring cleavably linked to a core structure of a drug compound. Due to the variety of substituents that may be utilized in forming the different types of linkages, numerous examples of drug compounds linked to a halogenated phenol ring are proposed. The present invention further provides compositions comprising halogenated phenol starting compounds that do not undergo cleavage during a dehalogenation reaction to form a drug compound in a targeted tissue when administered to an individual. Methods of administering these non-cleaving compounds are further provided.Type: ApplicationFiled: July 13, 2012Publication date: January 17, 2013Inventor: Keith R. Latham
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Patent number: 8110706Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: GrantFiled: April 26, 2010Date of Patent: February 7, 2012Assignee: Sunovion Pharmaceuticals Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
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Publication number: 20120029237Abstract: An autocatalytic process for the synthesis of chiral propargylic alcohols.Type: ApplicationFiled: April 9, 2010Publication date: February 2, 2012Inventors: Nicka Chinkov, Aleksander Warm, Erick Carreira
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Publication number: 20110313199Abstract: Provided herein are improved, convenient and industrially advantageous processes for the preparation of N-[2-hydroxy-5-[(1R)-1-hydroxy-2-[[(1R)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]formamide (Arformoterol) or a pharmaceutically acceptable salt thereof, in high yield and purity. Provided further herein is an improved and industrially advantageous process for the preparation of a substantially enantiomerically pure arformoterol intermediate, (R)-4-methoxy-?-methyl-N-(phenylmethyl)benzeneethanamine.Type: ApplicationFiled: December 28, 2009Publication date: December 22, 2011Applicant: ACTAVIS GROUP PTC EHFInventors: Girish Dixit, Nandkumar Gaikwad, Nitin Sharadchandra Pradhan
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Publication number: 20110195018Abstract: Disclosed are oxo-hydroquinazolines that are useful as selective TSHR agonists. The compounds may be used for detecting or treating thyroid cancer, or treating a bone degenerative disorder.Type: ApplicationFiled: October 20, 2008Publication date: August 11, 2011Inventors: Marvin C. Gershengorn, Susanne Neumann, Bruce M. Raaka, Craig J. Thomas, James Inglese, Noel T. Southall, Steven Titus, Wei Zheng, Wenwei Huang, Gerd Krause, Gunnar Kleinau
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Patent number: 7964753Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: GrantFiled: June 7, 2010Date of Patent: June 21, 2011Assignee: Sunovion Pharmaceuticals Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
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Publication number: 20110105760Abstract: The present invention relates to a process for preparing substituted 2-aminobiphenyls and to a process for preparing (Het)arylamides of such 2-aminobiphenyls.Type: ApplicationFiled: July 3, 2009Publication date: May 5, 2011Applicant: BASF SEInventors: Michael Keil, Michael Rack, Thomas Zierke, Markus Heinrich, Alexander Wetzel
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Publication number: 20110105796Abstract: The present invention relates to a process for the preparation of substituted biphenyls by reacting aryl halides with tetraarylborates in the presence of palladium catalysts.Type: ApplicationFiled: August 30, 2010Publication date: May 5, 2011Applicant: Bayer CropScience AGInventors: Wahed Ahmed MORADI, Norbert Lui, Michael Dockner, Thomas Jagusch
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Publication number: 20110092736Abstract: The present invention relates to a process for preparing substituted biphenylanilides of the formula I wherein R1 is a protected amino group which comprises reacting a compound of formula II in the presence of a base and of a palladium catalyst in a solvent, with an organoboron compound of formula (III)Type: ApplicationFiled: April 24, 2009Publication date: April 21, 2011Applicant: Bayer CropScience AGInventor: Michael DOCKNER
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Publication number: 20110082176Abstract: The present disclosure provides non-naturally occurring polyphenol compounds that upregulate the expression of Apolipoprotein A-I (ApoA-I). The disclosed compositions and methods can be used for treatment and prevention of cardiovascular disease and related disease states, including cholesterol or lipid related disorders, such as, e.g., atherosclerosis.Type: ApplicationFiled: October 15, 2010Publication date: April 7, 2011Inventors: Norman C.W. Wong, Joseph E.L. Tucker, Henrik C. Hansen, Fabrizio S. Chiacchia, David McCaffrey
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Publication number: 20100286204Abstract: There is provided a compound having Formula I wherein each of R1, R2, R3, R4, R5, R6, R7, R8 and R9 are independently selected from (a) H, (b) R13, —OC(R13)3, —OCH(R13)2, —OCH2R13, C(R13)3, —CH(R13)2, or —CH2R13 wherein R13 is a halogen; (c) —CN; (d) optionally substituted alkyl, (e) optionally substituted heteroalkyl; (f) optionally substituted aryl; (g) optionally substituted heteroaryl; (h) optionally substituted arylalkyl; (i) optionally substituted heteroarylalkyl; (j) hydroxy; (k) alkoxy; (l) aryloxy; (m) —SO2-alkyl; and (n) —N(R14)C(O)R15, wherein R14 and R15 are independently selected from H and hydrocarbyl, wherein the optional substituents of (d) (e) (f) (h) and (i) are selected from the group consisting of: C1-6 alkyl, halo, cyano, nitro, haloalkyl, hydroxy, C1-6 alkoxy, carboxy, carboxyalkyl, carboxamide, mercapto, amino, alkylamino, dialkylamino, sulfonyl, sulfonamido, aryl and heteroaryl; wherein n and p are independently selected from 0 and 1; X is an optional group selected from O, S, S=0Type: ApplicationFiled: November 19, 2008Publication date: November 11, 2010Applicant: Sterix LimitedInventors: Nigel Vicker, Helen Victoria Bailey, Wesley Heaton, Joanna Mary Day, Atul Purohit, Barry Victor Lloyd Potter
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Publication number: 20100261910Abstract: The present invention relates to a process for the regioselective synthesis of compounds of the formula (I), wherein R1; R2; R3; R4; R5; J and W have the meanings indicated in the claims. The present invention provides an efficient and general palladium-catalyzed coupling process for aryl tosylates with terminal alkynes to a wide variety of substituted, multifunctional aryl-1-alkynes of the formula I.Type: ApplicationFiled: December 23, 2009Publication date: October 14, 2010Applicant: sanofi-aventisInventors: Omar RKYEK, Marc NAZARE, Andreas LINDENSCHMIDT, Matthias URMANN, Nis HALLAND, Jorge ALONSO
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Publication number: 20100249459Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: ApplicationFiled: June 7, 2010Publication date: September 30, 2010Applicant: SEPRACOR INC.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
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Patent number: 7732641Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: GrantFiled: December 5, 2008Date of Patent: June 8, 2010Assignee: Sepracor Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
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Publication number: 20100125150Abstract: The invention provides a novel ?2 adrenergic receptor agonist in crystalline salt form. The invention also provides pharmaceutical compositions comprising the novel ?2 adrenergic receptor agonist in crystalline salt form, formulations containing the pharmaceutical compositions, methods of using the crystalline salt to treat diseases associated with ?2 adrenergic receptor activity, and processes useful for preparing such crystalline compounds.Type: ApplicationFiled: May 13, 2009Publication date: May 20, 2010Applicant: THERAVANCE, INC.Inventors: Ioanna Stergiades, Edward Yost, Cristin Hubbard, Weijiang Zhang
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Publication number: 20100063157Abstract: The present invention relates to the preparation of a ?2 adrenergic agonist in crystalline salt form. In particular the invention relates to preparation of a crystalline salt of compound (I) in particular a crystalline monohydrochloride salt. The invention also relates to a new crystalline form (polymorph) of the monohydrochloride salt of compound (Ia) and a process for preparing it.Type: ApplicationFiled: March 30, 2005Publication date: March 11, 2010Inventor: Darren Michael CAINE
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Patent number: 7601870Abstract: The present invention relates to aniline derivatives of the general formula I or salts thereof, described therein, and their use.Type: GrantFiled: December 20, 2005Date of Patent: October 13, 2009Assignee: H. Lundbeck A/SInventors: Christian Wenzel Tornøe, Mario Rottländer, Daniel Rodriguez Greve, Nikolay Khanzhin, Andreas Ritzén, William Patrick Watson
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Publication number: 20090234162Abstract: A radioactive halogen-labeled phenyoxyaniline derivative represented by the following formula: wherein R1 represents a group such as an alkyl group; X1, X2, X3 and X4 represent each a hydrogen atom, an alkyl group, an alkoxy group, an alkoxy group carrying 11C introduced thereinto or a radioactive halogen atom, provided that at least one of X1, X2, X3 and X4 represents an alkoxy group carrying 11C introduced thereinto or a radioactive halogen atom; which is a compound useful as a PBR ligand having a high affinity and a high selectivity. In in vitro measurement of PBR, a PBR ligand having a high affinity and a high selectivity is labeled with a radioactive halogen nuclear species so as to enable the measurement of PBR in vivo with the use of means including not only PET but also SPECT. Thus, a compound which is useful in early diagnosing, preventing and treating diseases such as Alzheimer type dementia can be obtained.Type: ApplicationFiled: December 28, 2005Publication date: September 17, 2009Applicants: Taisho Pharmaceutical Co., Ltd., National Institute of Radiological SciencesInventors: Kazutoshi Suzuki, Tetsuya Suhara, Christer Halldin, Ming-Rong Zhang, Atsuro Nakazato
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Publication number: 20090156862Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: ApplicationFiled: December 5, 2008Publication date: June 18, 2009Applicant: Sepracor Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
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Publication number: 20090042961Abstract: The invention relates to novel compounds and methods of treating diseases, disorders, and conditions associated with amyloidosis. Amyloidosis refers to a collection of diseases, disorders, and conditions associated with abnormal deposition of A-beta protein.Type: ApplicationFiled: May 8, 2008Publication date: February 12, 2009Inventors: Varghese John, Michel Maillard, Barbara Jagodzinska, Jose Aquino, Gary Probst, Jay Tung
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Patent number: 7479572Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: GrantFiled: January 14, 2008Date of Patent: January 20, 2009Assignee: Sepracor Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayaka, Donald W. Kessler
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Publication number: 20080262011Abstract: The present invention relates to a compound of formula I, or a pharmaceutically acceptable salt thereof. Formula (I), wherein R1 and R2 are each independently H or alkyl; Y is an alkyl group. CONR3R4, COOR5SO2NR16R17, NHSO2R18 or CN; X is an aryl or heteroaryl group, each of which may be optionally substituted with one or more substituents selected from (CH2)mZ where Z is halogen, OH, CN, alkyl, alkoxy, NO2, CF3, CONR6R7, CN, NR8R9, COOR10 or NHCOR11 and m is 0 to 3; R3 to R11 are each independently H, alkyl or aryl, wherein said alkyl and aryl groups are optionally substituted by one or more substituents selected from halogen, OH, CN, alkyl, alkoxy, NO2, CF3, CONR12R13, CN, NH2, COOR14, NHCOR15, and CN; R12 to R18 are each independently H or alkyl, more preferably H or Me; n is 1 to 6; wherein the compound is other than 3?,5?-dimethyl-4-(1,1-dimethylheptyl)-1,1?-biphenyl-2-ol.Type: ApplicationFiled: December 21, 2005Publication date: October 23, 2008Inventors: David Selwood, Cristina Visintin, David Baker, Gareth Pryce, Masahiro Okuyama
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Publication number: 20080207701Abstract: A compound of the formula (I) wherein the variables X1, X2, B, D, R1 to R7 including R3?, p, y, q, and z, are as defined or a pharmaceutically acceptable salt, solvate, enantiomer, racemate, diastereomer or mixtures thereof, useful for the treatment, prevention or amelioration of obesity and Related Diseases is disclosed.Type: ApplicationFiled: April 2, 2008Publication date: August 28, 2008Inventors: Mark Donald Chappell, Charles Howard Mitch, Steven James Quimby, Miles Goodman Siegel
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Publication number: 20080188561Abstract: This invention provides compounds of formula A and formula B which are modulators of potassium ion channels and are useful for the treatment of seizure disorders.Type: ApplicationFiled: October 10, 2007Publication date: August 7, 2008Inventors: Jean-Michel Vernier, Jianlan Song, Huanming Chen, Zhi Hong
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Patent number: 7342132Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: GrantFiled: August 4, 2006Date of Patent: March 11, 2008Assignee: Sepracor Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
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Patent number: 7262326Abstract: A process for preparing indanylamine and aminotetralin derivatives from indanone or tetralone oximes by acylating the oximes with an organic anhydride, followed by catalytic hydrogenation in the presence of an organic anhydride with subsequent hydrolysis is described. The process is commercially feasible providing indanylamine and aminotetralin derivatives in high yield that are useful as intermediates in the production of therapeutically active compounds. Also described are novel intermediates, 1-indanone O-acetyl oximes and 1-tetralone O-acetyl oximes.Type: GrantFiled: September 7, 2005Date of Patent: August 28, 2007Assignee: Teva Pharmaceuticals Industries Ltd.Inventors: Sylvie Blanchet, Bertrand Blandine, Alain Burgos, Yvon Derrien, Marie-Laure Moreau
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Patent number: 7145036Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: GrantFiled: February 7, 2005Date of Patent: December 5, 2006Assignee: Sepracor Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
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Patent number: 6964963Abstract: The present invention describes a process for preparing 4-amino-1-naphthol ethers which is characterized in that naphthol ethers are first prepared from 1-naphthols, the former are then converted to the corresponding 4-acetamino-1-naphthol ethers and then the acyl group is cleaved off, and further describes 4-acetamino-1-naphthol ethers obtained thereby.Type: GrantFiled: August 27, 2002Date of Patent: November 15, 2005Assignee: Bayer AktiengesellschaftInventors: Joachim Komoschinski, Herbert Diehl
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Patent number: 6870069Abstract: A phenyloxyaniline derivative useful as a ligand for peripheral benzodiazepine receptor having a strong affinity and a high selectivity, which is represented by formula (1): wherein X1 and X2 are same or different and each is hydrogen atom or halogen atom; R1 and R2 are same or different and each is hydrogen atom, an alkyl group having 1 to 10 carbon(s) or a halogen-substituted alkyl group having 1 to 10 carbon(s); and R3 is a halogen-substituted alkyl group having 1 to 5 carbon(s), or a radioisotope thereof.Type: GrantFiled: November 4, 2003Date of Patent: March 22, 2005Assignees: National Institute of Radiological Sciences, Taisho Pharmaceutical Co., Ltd., Nihon Nohyaku Co., Ltd.Inventors: Kazutoshi Suzuki, Ming-Rong Zhang, Tetsuya Suhara, Atsuro Nakazato, Makoto Goto
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Patent number: 6720453Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.Type: GrantFiled: September 10, 2002Date of Patent: April 13, 2004Assignee: Sepracor Inc.Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W Kessler
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2-aminopropane-1,3-diol compounds, medicinal use thereof, and intermediates in synthesizing the same
Patent number: RE39072Abstract: The present invention relates to a compound of the general formula wherein R1, R2, R3 and R4 are each a hydrogen or an acyl, a pharmaceutically acceptable acid addition salt thereof or a hydrate thereof; a pharmaceutical comprising this compound; a pharmaceutical composition comprising this compound and a pharmaceutically acceptable carrier; and 2-amino-2-(2-(4-(1-hydroxy-5-phenylpentyl)phenyl)ethyl)propane-1,3-diol or 2-amino-2-(2-(4-formylphenyl)ethyl)propane-1,3-diol, the derivatives of the two compounds whose amino group and/or hydroxy group are(is) protected or a salt thereof. The compound of the present invention shows superior immunosuppressive action with less toxicity and higher safety, and is useful as a drug for prevention or suppression of rejection of organs or bone marrow transplantation, or as a drug for prevention or treatment of various autoimmune diseases or allergic diseases.Type: GrantFiled: April 3, 1998Date of Patent: April 18, 2006Assignee: Mitsubishi Pharma CorporationInventors: Kunitomo Adachi, Yoshiyuki Aoki, Tokushi Hanano, Koji Teshima, Yukio Hoshino, Tetsuro Fujita