Hydroxy Or Ether Oxygen Bonded Directly To The Aryl Ring Or Ring System (h Of -oh May Be Replaced By A Substituted Or Unsubstituted Ammonium Ion Or A Group Ia Or Iia Light Metal) Patents (Class 564/365)
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Patent number: 11793774Abstract: There is herein provided a compound of formula (I) or a pharmaceutically acceptable salt thereof, wherein X, R1, R2, R3, R4 and n have meanings as provided in the description.Type: GrantFiled: September 13, 2018Date of Patent: October 24, 2023Assignee: ATROGI ABInventors: Benjamin Pelcman, Tore Bengtsson
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Patent number: 9029421Abstract: The present invention provides a process for preparing a compound of formula (VI) or a salt thereof, the process comprising: (i) reacting 4-methoxyphenyl acetone with an amine of formula (VIII) under conditions of reductive amination to produce a compound of formula (II) or a salt thereof, wherein there is no isolation of an imine intermediate formed during the reductive amination; (ii) condensing the compound (II) or the acid addition salt thereof with an ?-haloketone of formula (III) to produce the compound of formula (IV); (iii) reducing the compound (IV) to a compound of formula (V); and (iv) reducing the compound (V) to the compound of formula (VI), wherein the reduction is carried out in the presence of either (1) a hydrogen donating compound in the presence of a hydrogen transfer catalyst; or (2) ammonium formate using a hydrogenation catalyst, wherein R1 and R2 are independently optionally substituted arylalkyl, and Hal is selected from chloro or bromo.Type: GrantFiled: June 2, 2009Date of Patent: May 12, 2015Assignee: Cipla LimitedInventors: Vaishali Vaman Haldavanekar, Mangesh Prabhu, Dharmaraj Ramachandra Rao, Rajendra Narayanrao Kankan
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Publication number: 20120232033Abstract: The invention relates to the use of compounds of formula I wherein the substituents are described in the description and claims for the treatment of psychoses, dysfunction in memory and learning, schizophrenia, dementia, attention deficit disorders or Alzheimer's disease. The invention also relates to some compounds of formula I and pharmaceutical compositions containing them.Type: ApplicationFiled: May 25, 2012Publication date: September 13, 2012Inventors: Sabine Kolczewski, Hans-Peter Marty, Robert Narquizian, Emmanuel Pinnard, Henri Stalder
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Patent number: 7977378Abstract: Compositions and methods are provided for the treatment of obesity in a human in need of such treatment which comprises administration to the human of a therapeutically effective amount of a compound of a weight loss enhancing beta-3-adrenergic compound of Cycle I, and a different weight loss enhancing adenylate cyclase receptor replenishing compound of Cycle II, in conjunction with a pharmaceutically acceptable diluent or carrier, wherein the Compound of Cycle I and the compound of Cycle II are administered sequentially. The composition may be present as a kit having each sequence in blister packs.Type: GrantFiled: December 19, 2007Date of Patent: July 12, 2011Inventor: Adel Villalobos
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Publication number: 20110166237Abstract: The present invention provides a process for preparing a compound of formula (VI) or a salt thereof, the process comprising: (i) reacting 4-methoxyphenyl acetone with an amine of formula (VIII) under conditions of reductive amination to produce a compound of formula (II) or a salt thereof, wherein there is no isolation of an imine intermediate formed during the reductive amination; (ii) condensing the compound (II) or the acid addition salt thereof with an ?-haloketone of formula (III) to produce the compound of formula (IV); (iii) reducing the compound (IV) to a compound of formula (V); and (iv) reducing the compound (V) to the compound of formula (VI), wherein the reduction is carried out in the presence of either (1) a hydrogen donating compound in the presence of a hydrogen transfer catalyst; or (2) ammonium formate using a hydrogenation catalyst, wherein R1 and R2 are independently optionally substituted arylalkyl, and Hal is selected from chloro or bromo.Type: ApplicationFiled: June 2, 2009Publication date: July 7, 2011Applicant: CIPLA LIMITEDInventors: Vaman Vaishali Haldavanekar, Mangesh Prabhu, Dharmaraj Ramachandra Rao, Rajendra Narayanrao Kankan
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Publication number: 20110152332Abstract: The present invention relates to novel pesticidal azolidine derivatives as well as to oxazolidinone derivatives and their use as pesticides for combating animal parasites which occur in the agrochemical field and in the field of veterinary medicine, respectively. wherein X, m, R?, Q, G, U, l, A1 to A4 and R are as defined herein.Type: ApplicationFiled: November 1, 2010Publication date: June 23, 2011Applicant: Bayer CropScience AGInventors: Tetsuya Murata, Mamoru Hatazawa, Peter Brüchner, Eiichi Shimojo, Teruyuki Ichihara, Masashi Ataka, Katsuhiko Shibuya, Ulrich Görgens
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Publication number: 20110009631Abstract: Compounds of the formula (II) and (IV) are provided, which may be employed as intermediates for making compounds useful in treating respiratory diseases.Type: ApplicationFiled: July 14, 2010Publication date: January 13, 2011Applicant: Glaxo Group LimitedInventors: Philip Charles Box, Diane Mary Coe, Brian Edgar Looker, Inderjit Singh Mann, Panayiotis Alexandrou Procopiou
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Publication number: 20100222257Abstract: Disclosed herein are substituted phenethylamine alpha adrenergic receptor modulators of Formula I, process of preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.Type: ApplicationFiled: May 17, 2010Publication date: September 2, 2010Applicant: AUSPEX PHARMACEUTICALS, INC.Inventors: Thomas G. Gant, Sepehr Sarshar
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Patent number: 7745665Abstract: Disclosed herein are substituted phenethylamine alpha adrenergic receptor modulators of Formula I, process of preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.Type: GrantFiled: June 3, 2008Date of Patent: June 29, 2010Assignee: Auspex Pharmaceuticals, Inc.Inventors: Thomas G. Gant, Sepehr Sarshar
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Publication number: 20090325915Abstract: The invention provides three polymorphic forms of crystalline levosalbutamol sulphate designated herein as Forms I, II and III. Crystalline levosalbutamol sulphate Form I is characterised by a powder XRD pattern with peaks at 10.8, 11.9, 13.0, 18.3, 28.5±0.2 degrees 2 theta. Crystalline levosalbutamol sulphate Form II is characterised by a powder XRD pattern with peaks at 8.7, 9.6, 15.2, 15.7, 19.1, 27.2, 30.7±0.2 degrees 2 theta. Crystalline levosalbutamol sulphate Form III is characterised by a powder XRD pattern with peaks at 5.5, 6.9, 7.3, 18.7±0.2 degrees 2 theta. Processes for making the new polymorphic forms and pharmaceutical compositions comprising them are also provided.Type: ApplicationFiled: July 14, 2009Publication date: December 31, 2009Inventors: Dharmaraj Ramchandra Rao, Rajendra Narayanrao Kankan, Alka Chaudhary
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Publication number: 20090047343Abstract: The present invention relates to a process for stabilizing phenylephrine including drying an acidic solution of phenylephrine and pharmaceutical compositions including stabilized phenylephrine.Type: ApplicationFiled: August 13, 2007Publication date: February 19, 2009Inventors: Hugh Huang, Jonathan Zeszotarski, Anthony Bean, William Michael Nichols
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Patent number: 7465831Abstract: The invention is directed to processes for making levalbuterol HCl Polymorph A from by suspending or forming a first slurry of (R)-SLB(D)-DBTA in at least a first organic solvent, adding HCl to the suspension or slurry of the solid (R)-SLB.D-DBTA until the (R)-SLB.D-DBTA forms levalbuterol HCl Polymorph A, and isolating the levalbuterol HCl Polymorph A.Type: GrantFiled: July 11, 2007Date of Patent: December 16, 2008Assignee: Teva Pharmaceutical Fine Chemicals s.r.l.Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio, Angelo Spreafico, Judith Aronhime, Adrienne Kovacsne-Mezei
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Patent number: 7452995Abstract: The invention provides novel ?2 adrenergic receptor agonist compounds. The invention also provides pharmaceutical compositions comprising such compounds, methods of using such compounds to treat diseases associated with ?2 adrenergic receptor activity, and processes and intermediates useful for preparing such compounds.Type: GrantFiled: April 7, 2005Date of Patent: November 18, 2008Assignee: Theravance, Inc.Inventors: Edmund J. Moran, John R. Jacobsen, James Aggen
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Publication number: 20080132579Abstract: Provided are processes for the preparation of (R)-SLB.D-DBTA salt and levalbuterol hydrochloride. Also provided are levalbuterol hydrochloride degradation products and processes for preparing them. Pharmaceutical compositions comprising at least one levalbuterol hydrochloride of the invention and at least one pharmaceutically-acceptable excipient are also provided.Type: ApplicationFiled: December 27, 2007Publication date: June 5, 2008Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio
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Patent number: 7135500Abstract: A compound of formula 1 wherein the groups R1, R2, R3, and R4 may have the meanings given in the claims and in the specification, processes for preparing them, and their use as pharmaceutical compositions, particularly for the treatment of inflammatory and obstructive respiratory complaints.Type: GrantFiled: October 30, 2003Date of Patent: November 14, 2006Assignee: Boehringer Ingelheim Pharma GmbH & Co KGInventors: Ingo Konetzki, Kurt Schromm, Hermann Schollenberger, Sabine Pestel, Andreas Schnapp, Thierry Bouyssou, Frank Buettner, Claudia Heine
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Patent number: 7084165Abstract: The present invention relates to compounds that are useful exhibit activity as serotonin, norepinephrine and dopamine reuptake inhibitors, and their pharmaceutically acceptable salts, and their use in the treatment of central nervous system and other disorders.Type: GrantFiled: September 4, 2003Date of Patent: August 1, 2006Assignee: Pfizer IncInventors: Harry Ralph Howard, Jr., Christopher Joseph Schmidt, Thomas Francis Seeger, Mark Leonard Elliot
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Patent number: 6995286Abstract: A process for making optically pure (R) and (S) salbutamol comprises obtaining the (R) or (S) isomer of either salbutamol or a salbutamol precursor in substantially optically pure form by resolving a racemic or optically impure mixture of enantiomers of salbutamol or of said precursor with either (L) or (D) tartaric acid, and where necessary converting said isomer of said precursor into either (R or (S) salbutamol respectively; then optionally converting said optically pure (R) and/or (S) salbutamol into a pharmaceutically acceptable salt.Type: GrantFiled: December 10, 2001Date of Patent: February 7, 2006Assignee: Cipla LimitedInventors: Yusuf Khwaja Hamied, Rajendra Narayanrao Kankan, Dharmaraj Ramachandra Rao
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Patent number: 6900203Abstract: (R)-6F-phenylephrine, essentially free of (S)-6F-phenylephrine, and an anesthetic formulation comprising (R)-6F-epinephrin or (R)-6F-phenylephrine and having improved stability compared to formulations containing their non-fluorinated analog, are disclosed. Further disclosed is a method of providing vasoconstriction in a mammal by administering the anesthetic formulation. The anesthetic composition can include an anesthetic, an (R)-chiral compound having the structure: wherein R1, R2, and R4 are independently selected from —H or —F, at least one of R1, R2, and R4 is —F, and R3 is selected from —OH, —H or —F, or a pharmaceutically acceptable salt or ester thereof, said vasoconstrictor being essentially free of the (S)-chiral form. Also, a method of chiral addition of cyanide to a ring-fluorinated phenaldehyde, employing an almond hydroxynitrile lyase enzyme, provided in the form of a reversibly soluble polymer conjugate ((R)-Finezyme™-H series biocatalysts) is disclosed.Type: GrantFiled: July 8, 2002Date of Patent: May 31, 2005Assignee: Polium Technologies, Inc.Inventors: Hamilton J. Lenox, Elena Terentieva, Mikhail Y. Gololobov
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Patent number: 6825382Abstract: Disclosed herein are trifluoromethylepinephrine compounds having the following structural formula (I) wherein R1-R5 are each independently selected from the group consisting of H, alkyl, alkoxyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, acyl, thioacyl, sulfonyl mercapto, alkylthio, carboxy, amino, alkylamino dialkylamino, carbamoyl, arylthio, and heteroarylthio; wherein X, Y, and Z are each independently selected from the group consisting of H or trifluoromethyl with the proviso that at least one of which is trifluoromethyl. Also disclosed are pharmaceutical compositions comprising the trifluoromethylepinephrine compounds and methods of making and using thereof. Novel trifluoroepinephrine intermediates are also disclosed.Type: GrantFiled: March 3, 2003Date of Patent: November 30, 2004Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Jeffrey R. Ammann
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Patent number: 6730792Abstract: The present invention relates to a &bgr;3 adrenergic receptor agonist of formula (I) or a pharmaceutical salt thereof, which is capable of increasing lipolysis and energy expenditure in cells and, therefore, is useful for treating Type II diabetes and/or obesity. The compound can also be used to lower triglyceride levels and cholesterol levels or raise high density lipoprotein levels or to decrease gut motility. In addition, the compound can be used to reduced neurogenic inflammation or as an antidepressant agent. Compositions and methods for the use of the compounds in the treatment of diabetes and obesity and for lowering triglyceride levels and cholesterol levels or raising high density lipoprotein levels or for decreasing gut motility are also disclosed.Type: GrantFiled: December 13, 2002Date of Patent: May 4, 2004Assignee: Eli Lilly and CompanyInventors: Britta Evers, Cynthia Darshini Jesudason, Rushad Eruch Karanjawala, David Michael Remick, Daniel Jon Sall, Miles Goodman Siegel, Wolfgang Stenzel, Russell Dean Stucky, John Arnold Werner
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Publication number: 20040048856Abstract: The present invention relates to compounds that are useful exhibit activity as serotonin, norepinephrine and dopamine reuptake inhibitors, and their pharmaceutically acceptable salts, and their use in the treatment of central nervous system and other disorders.Type: ApplicationFiled: September 4, 2003Publication date: March 11, 2004Applicant: Pfizer IncInventors: Harry R. Howard, Christopher J. Schmidt, Thomas F. Seeger, Mark L. Elliott
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Patent number: 6653323Abstract: The invention provides novel &bgr;2 adrenergic receptor agonist compounds. The invention also provides pharmaceutical compositions comprising such compounds, methods of using such compounds to treat diseases associated with &bgr;2 adrenergic receptor activity, and processes and intermediates useful for preparing such compounds.Type: GrantFiled: November 12, 2002Date of Patent: November 25, 2003Assignee: Theravance, Inc.Inventors: Edmund J. Moran, John R. Jacobsen, James B. Aggen
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Patent number: 6576793Abstract: Disclosed are multibinding compounds which are &bgr;2 adrenergic receptor agonists and are useful in the treatment and prevention of respiratory diseases such as asthma and bronchitis. They are also useful in the treatment of nervous system injury and premature labor.Type: GrantFiled: August 14, 2000Date of Patent: June 10, 2003Assignee: Theravance, Inc.Inventors: Edmund J. Moran, John H. Griffin, Seok-Ki Choi
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Patent number: 6521667Abstract: The present invention features calcilytic compounds. “Calcilytic compounds” refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: GrantFiled: August 11, 1998Date of Patent: February 18, 2003Assignees: NPS Pharmaceuticals, Inc., SmithKline Beecham, PLC, SmithKline Beecham, Corp.Inventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Patent number: 6362371Abstract: The present invention is directed to multibinding compounds which are &bgr;2 adrenergic receptor agonists and are therefore useful in the treatment and prevention of respiratory diseases such asthma, bronchitis, and the like. They are also useful in the treatment of nervous system injury and premature labor.Type: GrantFiled: June 2, 1999Date of Patent: March 26, 2002Assignee: Advanced Medicine, Inc.Inventors: Edmund J. Moran, John H. Griffin, Seok-Ki Choi
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Patent number: 5654331Abstract: Diaromatic compounds, characterised in that they correspond to the following general formula: ##STR1## in which: R.sub.1 is --CH.sub.3, --CH.sub.2 OH, --COR.sub.8 or --CH.sub.2 OCOR.sub.9, R.sub.8 is H, OH, --OR.sub.10, --N(rr') or alkyl, R.sub.10 is alkyl, alkenyl, aryl or aralkyl, r and r' being H, alkyl, aryl, aralkyl, etc., r and r' together form a heterocycle, R.sub.9 is alkyl, alkenyl or a sugar residue, R.sub.2 and R.sub.3 are --OR.sub.11 or --OCOR.sub.11, R.sub.11 is H, alkyl, fluoroalkyl, aryl or aralkyl, R.sub.3 in addition being H, R.sub.4 is H, OH, alkyl, alkoxy, F, Cl or --CF.sub.3, R.sub.5 and R.sub.7 are H, OH, alkoxy, .alpha.-substituted alkyl or .alpha.,.alpha.'-disubstituted alkyl, etc., R.sub.6 is H, OH, alkyl, alkoxy, cycloalkyl, etc., R.sub.5 and R.sub.7 cannot simultaneously be OH or alkoxy and R.sub.4, R.sub.5, R.sub.6 and R.sub.7 cannot simultaneously be H, R.sub.5 and R.sub.6 or R.sub.6 and R.sub.Type: GrantFiled: May 25, 1995Date of Patent: August 5, 1997Assignee: Centre International De Recherches Dermatologiques Galderma (Cird Galderma)Inventor: Jean-Michel Bernardon
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Patent number: 5545745Abstract: The invention relates to a method for producing albuterol by the resolution of a mixture of enantiomers of methyl 5-[2-[(1,1-dimethylethyl)amino]-1-hydroxyethyl]-2-(phenylmethoxy)benzoate or .alpha.-[[(1,1-dimethylethyl)amino]methyl]-4-(phenylmethoxy)-1,3-benzenedi methanol using a chiral acid such as (+/-) di-toluoyltartaric acid or (+/-) di-benzoyltartaric acid.Type: GrantFiled: January 20, 1995Date of Patent: August 13, 1996Assignee: Sepracor, Inc.Inventors: Yun Gao, Charles M. Zepp
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Patent number: 5538999Abstract: A compacted body of powdered medicament for use in a device for the administration by inhalation of a medicament in powdered form. The compacted body is made by compressing a loose powder containing the medicament in powdered form under pressure to create sufficient structural integrity in the body to permit metering of several unit doses of the medicament by abrasion of the body in the device.Type: GrantFiled: May 23, 1995Date of Patent: July 23, 1996Assignee: Fisons plcInventors: Andrew R. Clark, John L. Hart
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Patent number: 5527821Type: GrantFiled: January 18, 1995Date of Patent: June 18, 1996Assignee: Pharmacia ABInventors: Nils-Erik Willman, Bengt C. H. Sjogren, Lennart G. Nordh, Gustav L. Persson
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Patent number: 5449694Abstract: (-)-Ritodrine, that is (-)-erythro-1-(p-hydroxyphenyl)-2-[2-(p-hydroxyphenyl)ethylamino]-1-propan ol or a salt thereof substantially free from the (+)-isomer is disclosed. The compound has a strong suppressive effect on uterine contraction in comparison with (.+-.)-ritodrine and (+)-ritodrine and has the same level of toxicity as these compounds, so that it can be used as a therapeutic agent of threatened premature birth and threatened abortion as well as a therapeutic agent of dysmenorrhea having a high safety.Type: GrantFiled: March 1, 1994Date of Patent: September 12, 1995Assignee: Meiji Seika Kabushiki KaishaInventors: Naoki Yamazaki, Yoshimasa Fukuda, Yoshiaki Shibazaki, Tetsutarou Niizato, Isao Kosugi, Shin Yoshioka
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Patent number: 5442118Abstract: A method for the enantioselective reduction of an .alpha.-iminoketone to an .alpha.-aminoalcohol is disclosed. The method utilizes a borane reducing agent as the reducing agent and a chiral 1,3,2-oxazaborole as the catalyst. The method is applied to the synthesis of R-albuterol from methyl 5-acetylsalicylate in high yield and high optical purity.Type: GrantFiled: April 22, 1994Date of Patent: August 15, 1995Assignee: Sepracor, Inc.Inventors: Yun Gao, Yaping Hong, Charles M. Zepp
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Patent number: 5399765Abstract: The invention relates to a method for producing albuterol by the resolution of a mixture of enantiomers of 5-[2-[(1,1-dimethylethyl)amino]-1-hydroxyethyl]-2-hydroxybenzoate using ditoluoyltartaric acid.Type: GrantFiled: May 23, 1994Date of Patent: March 21, 1995Assignee: Sepracor, Inc.Inventors: Yun Gao, Charles M. Zepp
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Patent number: 5243076Abstract: Phenethanolamine derivatives are disclosed of formula ##STR1## wherein m is 2 to 8; n is 1 to 7 provided that m+n is 4 to 12;Ar is phenyl or phenyl substituted by one or two halogen atoms, alkyl or alkoxy groups or by an alkylenedioxy group;R.sup.1 and R.sup.2 are hydrogen or alkyl provided that the sum total of carbon atoms in R.sup.1 and R.sup.2 is not more than 4;and the physiologically acceptable salts and solvates thereof.The compounds have a selective stimulant action at .beta..sub.2 -adrenoreceptors and may be used inter alia in the treatment of diseases associated with reversible airways obstructions such as asthma and chronic bronchitis. The compounds may be formulated in conventional manner as pharmaceutical compositions with physiologically acceptable carriers or excipients.The compounds may be prepared, for example by alkylation of an amine: ##STR2## where R.sup.3, R.sup.5 and R.sup.6 is hydrogen or a protecting group, followed by removal of any protecting group.Type: GrantFiled: December 19, 1991Date of Patent: September 7, 1993Assignee: Glaxo Group Ltd.Inventors: Ian F. Skidmore, Lawrence H. C. Lunts, Harry Finch, Alan Naylor
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Patent number: 5235103Abstract: A process for the preparation of phenylethanolaminotetralins of formula ##STR1## wherein X is hydrogen, a halogen, a trifluoromethyl or a lower alkyl group and R.sup.o is hydrogen or a methyl group substituted by a carboxy or a lower carbalkoxy group, which comprises treating a mandelic acid with a 2-amino-7-hydroxytetralin, optionally alkylating with a lower alkyl haloacetate and reducing the amido group of the mandelamide into a methyleneamino group. The mandelamides intermediates are novel.Type: GrantFiled: December 15, 1992Date of Patent: August 10, 1993Assignee: SanofiInventors: Robert Boigegrain, Roberto Cecchi, Sergio Boveri
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Patent number: 5204468Abstract: This invention provides the single species (-)-(S)-4-(3,4-dihydroxyphenyl)-7, 8-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride hydrate, which is useful as a nephrovascular dilator.Type: GrantFiled: July 25, 1991Date of Patent: April 20, 1993Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Akihiro Tanaka, Takashi Fujikura, Ryuji Tsuzuki, Masaki Yokota, Takeyuki Yatsu
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Patent number: 5198587Abstract: Phenethylamine derivatives shown by the general formula ##STR1## wherein Ro represents a lower alkyl group; R.sub.1 represents a lower alkyl group or a lower alkoxy group; R.sub.2 represents hydrogen atom or a hydroxyl group; R.sub.3 and R.sub.4 each represents hydrogen atom or a lower alkyl group; R.sub.5 represents hydrogen atom or a lower alkoxy group; X represents oxygen atom or a methylene group; m is an integer of 1-3; and n is an integer of 0-2 and the acid addition salts thereof.These compounds exhibit a strong .alpha.-adrenergic blocking action and are useful as an antihypertensive agent.Type: GrantFiled: July 30, 1991Date of Patent: March 30, 1993Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Kazuo Imai, Kunihiro Niigata, Takashi Fujikura, Shinichi Hashimoto, Toichi Takenaka, Kazuo Honda
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Patent number: 5198586Abstract: A process for the preparation of phenylethanolaminotetralins of formula ##STR1## wherein X is hydrogen, a halogen, a trifluoromethyl or a lower alkyl group and R.degree. is hydrogen or a methyl group substituted by a carboxy or a lower carbalkoxy group, which comprises treating a mandelic acid with a 2-amino-7-hydroxytetralin, optionally alkylating with a lower alkyl haloacetate and reducing the amido group of the mandelamide into a methyleneamino group. The mandelamides intermediates are novel.Type: GrantFiled: October 25, 1990Date of Patent: March 30, 1993Assignee: SanofiInventors: Robert Boigegrain, Roberto Cecchi, Sergio Boveri
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Patent number: 5171753Abstract: Derivatives of 2-amino-1-phenylethanol were prepared from substituted amines and benzoin, stilbene oxide or styrene oxide to give compounds of Formula: ##STR1## where R is H or (un)substituted phenyl and C is a linking group or terminal group. The compounds of this invention can inhibit ulceration in in-vivo studies in rats.Type: GrantFiled: May 15, 1991Date of Patent: December 15, 1992Assignee: A. H. Robins Company, IncorporatedInventors: Harry R. Munson, Jr., Robert F. Boswell
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Patent number: 5130339Abstract: New phenylethanolaminomethyltetralins of formula (I) ##STR1## wherein E represents hydrogen, (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy, phenyl, nitro, halogen, or trifluoromethyl,L represents hydrogen, (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkyoxy, phenyl, nitro, or halogen, orE and L taken together represent a group --CH.dbd.CH--CH.dbd.CH-- or --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --, andG represents hydrogen, chloro, hydroxy or an --OG' group wherein G' represents a (C.sub.1 -C.sub.4 (alkyl group either unsubstituted or substituted with hydroxy, (C.sub.1 -C.sub.4)alkoxy, (C.sub.1 -C.sub.4)alkoxycarbonyl, carboxy, or (C.sub.3 -C.sub.7)cycloalkyl; a (C.sub.3 -C.sub.7)cycloalkyl group; or a (C.sub.2 -C.sub.4)alkanoyl group; and salts thereof, are described which showed to be active as intestinal motility modulating agents and intraocular hypertension lowering agents.Type: GrantFiled: December 28, 1990Date of Patent: July 14, 1992Assignee: SanofiInventors: Roberto Cecchi, Umberto Guzzi
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Patent number: 5126375Abstract: Phenethanolamine derivatives are disclosed of formula ##STR1## wherein m is 2 to 8; n is 1 to 7 provided that m+n is 4 to 12;Ar is phenyl or phenyl substituted by one or two halogen atoms, alkyl or alkoxy groups or by an alkylenedioxy group;R.sup.1 and R.sup.2 are hydrogen or alkyl provided that the sum total of carbon atoms in R.sup.1 and R.sup.2 is not more than 4; and the physiologically acceptable salts and solvates thereof.The compounds have a selective stimulant action at .beta..sub.2 -adrenoreceptors and may be used inter alia in the treatment of diseases associated with reversible airways obstructions such as asthma and chronic bronchitis. The compounds may be formulated in conventional manner as pharmaceutical compositions with physiologically acceptable carriers or excipients.The compounds may be prepared, for example by alkylation of an amine: ##STR2## where R.sup.3, R.sup.5 and R.sup.6 is hydrogen or a protecting group, followed by removal of any protecting group.Type: GrantFiled: November 29, 1990Date of Patent: June 30, 1992Assignee: Glaxo Group Ltd.Inventors: Ian F. Skidmore, Lawrence H. C. Lunts, Harry Finch, Alan Naylor
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Patent number: 5124334Abstract: The invention relates to benylalcohol phospholipase A.sub.2 inhibitors, pharmaceutical compositions containing them, and methods of treating phospholipase A.sub.2 -mediated conditions in mammals by administration of a therapeutically effective amount of such a benzylalcohol phospholipase A.sub.2 inhibitor.Type: GrantFiled: July 28, 1989Date of Patent: June 23, 1992Assignee: Du Pont Merck Pharmaceutical CompanyInventor: Wendell W. Wilkerson
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Patent number: 5105017Abstract: This invention provides novel benzene derivatives which are leukotriene antagonists, formulations of those derivatives, intermediates for preparing the derivatives, and a method of using those derivatives for the treatment of conditions characterized by an excessive release of leukotrienes.Type: GrantFiled: July 18, 1983Date of Patent: April 14, 1992Assignee: Eli Lilly and CompanyInventor: Robert D. Dillard
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Patent number: 5066678Abstract: The invention relates to compounds of the general formula (I) ##STR1## and physiologically acceptable salts and solvates thereof; wherein;R.sup.1 and R.sup.2 each independently represent a hydrogen atom or a C.sub.1-3 -alkyl group with the proviso that the sum total of carbon atom in R.sup.1 and R.sup.2 is not more than 4;X represents a direct bond or a C.sub.1-7 alkylene, C.sub.2-7 alkenylene or C.sub.2-7 alkynylene group and Y represents a direct bond or a C.sub.1-6 alkylene C.sub.2-6 alkenylene or C.sub.2-6 alknylene group with the proviso that the sum total of carbon atoms in X and Y is not more than 10;W represents a group ##STR2## wherein Z represents a group R.sup.3 (CH.sub.2).sub.q where q is 0, 1 or 2 and R.sup.3 is a group R.sup.4 CONH--, R.sup.4 NHCONH--, R.sup.4 R.sup.5 NSO.sub.2 NH--, R.sup.6 SO.sub.2 NH-- or --OH;R.sup.4 and R.sup.5 each represent a hydrogen atom or a C.sub.1-3 alkyl group;R.sup.6 represents a C.sub.1-3 alkyl group;R.sup.7 represents a chlorine atom or the group --CF.sub.Type: GrantFiled: April 23, 1990Date of Patent: November 19, 1991Assignee: Glaxo Group LimitedInventors: Ian F. Skidmore, Lawrence H. C. Lunts, Harry Finch, Alan Naylor, Ian B. Campbell, Charles Willbe, William L. Mitchell, Stephen Swanson, Brian D. Judkins
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Patent number: 5047433Abstract: N-alkyl derivatives of 2-amino-6,7-dimethoxy tetraline having general formula (I) ##STR1## wherein R is selected from hydrogen, ethyl, n-propyl and methyl cyclopropyl;R.sub.1 is selected from hydrogen, hydroxy and --OR.sub.3 wherein R.sub.3 is selected from methyl, ethyl and n-propyl; andR.sub.2 is selected from hydrogen, methyl, hydroxy, trifluoromethyl, fluoro and methoxy,are endowed with potent antihypertensive activity.Type: GrantFiled: December 21, 1987Date of Patent: September 10, 1991Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.Inventors: Mauro Marzi, Maria O. Tinti, Romano Di Fabio, Domenico Misiti
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Patent number: 4952729Abstract: There is disclosed an improved process for preparing albuterol which comprises reacting a 5-(haloacetyl)-2-hydroxybenzaldehyde with 1,1-dimethylethanamine in an organic solvent and in an inert atmosphere to form 5-[[(1,1-dimethylethyl)amino]acetyl]-2-hydroxybenzaldehyde and reducing the carbonyl functions to the corresponding hydroxy groups to form albuterol.Type: GrantFiled: November 3, 1989Date of Patent: August 28, 1990Assignee: Schering-Plough Corp.Inventors: Esther Babad, Nicholas Carruthers, Martin Steinman
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Patent number: 4876261Abstract: A compound of the formula (I) or its salt and a process for producing the compounds; The compounds have the effect to dilate neophrovascular tracts; ##STR1## wherein ##STR2## represents the formula ##STR3## (wherein R.sup.4 is a hydrogen atom or lower alkylsulfonyl); R.sup.1 is hydrogen, lower alkyl, hydroxyl, halogen, amino, or lower acylamino;R.sup.2 is hydrogen, lower alkyl, hydroxyl, amino, or lower alkylsulfonylamino;R.sup.3 is hydrogen, lower, alkyl or hydroxyl;R is hydrogen or halogen;with the proviso that when R.sup.1 is hydroxyl, there is no case that all of R.sup.2, R.sup.3 and R are hydrogens, and further with the proviso that when R is hydrogen, A excludes ##STR4## or a salt thereof.Type: GrantFiled: March 25, 1988Date of Patent: October 24, 1989Inventors: Akihiro Tanaka, Takashi Fujikura, Ryuji Tsuzuki, Masaki Yokota, Takeyuki Yatsu
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Patent number: 4754047Abstract: There is provided a method for enhancing the growth rate of meat-producing animals and/or improving the efficiency of feed utilization thereby, which involves, orally or parenterally, administering to said animals a growth-enhancing amount of a phenylethanolamine compound or the acid addition salt thereof.Type: GrantFiled: December 10, 1984Date of Patent: June 28, 1988Assignee: American Cyanamid CompanyInventors: Jane A. Kiernan, Pamela K. Baker
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Patent number: 4749792Abstract: Analgesic activity is exhibited by compounds having the formula ##STR1## and pharmaceutically acceptable salts thereof wherein R.sub.1, R.sub.2 and R.sub.4 are each independently hydrogen, alkyl, carboxyalkyl, halosubstituted alkyl, hydroxyalkyl, aminoalkyl, mercaptoalkyl, alkylthioalkyl, (cycloalkyl)alkyl, (heteroaryl)alkyl, arylalkyl, carbamoylalkyl, guanidinylalkyl, or heteroaryl, and R.sub.3 is hydroxymethylene or carbonyl.Type: GrantFiled: September 26, 1984Date of Patent: June 7, 1988Assignee: E. R. Squibb & Sons, Inc.Inventors: Sesha I. Natarajan, Eric M. Gordon
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Patent number: RE43844Abstract: A process for making optically pure (R) and (S) salbutamol comprises obtaining the (R) or (S) isomer of either salbutamol or a salbutamol precursor in substantially optically pure form by resolving a racemic or optically impure mixture of enantiomers of salbutamol or of said precursor with either (L) or (D) tartaric acid, and where necessary converting said isomer of said precursor into either (R or (S) salbutamol respectively; then optionally converting said optically pure (R) and/or (S) salbutamol into a pharmaceutically acceptable salt.Type: GrantFiled: December 10, 2001Date of Patent: December 4, 2012Assignee: Cipla LimitedInventors: Yusuf Khwaja Hamied, Rajendra Narayanrao Kankan, Dharmaraj Ramachandra Rao
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Patent number: RE43984Abstract: A process for making optically Optically pure (R) and (S) salbutamol comprises obtaining the (R) or (S) isomer of either salbutamol or a salbutamol precursor in substantially optically pure form is obtained by resolving a racemic or optically impure mixture of enantiomers of salbutamol or of said a salbutamol precursor with either (L) or (D) tartaric acid, and where necessary converting said isomer of said precursor into either (R) or (S) salbutamol respectively; then optionally converting said optically pure (R) and/or (S) salbutamol into a pharmaceutically acceptable salt.Type: GrantFiled: December 10, 2001Date of Patent: February 5, 2013Assignee: Cipla LimitedInventors: Yusuf Khwaja Hamied, Rajendra Narayanrao Kankan, Dharmaraj Ramachandra Rao