Benzene Ring In A Substituent E Patents (Class 564/211)
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Patent number: 8901352Abstract: We have developed a new method for the synthesis of Rasagiline (Formula 1) based on the alkylation of trifluoroacetyl protected aminoindan. This protection enabled us to carry out an alkylation of aminoindan with a high yield and purity under very mild conditions with a wide range of reaction conditions and reagent selection. Considering the ease, purity and high yields of introducing and removal of the trifluoroacetyl group, this approach is a highly practical and economical way for the synthesis of rasagiline or its pharmaceutically acceptable salts.Type: GrantFiled: January 13, 2011Date of Patent: December 2, 2014Assignee: Nobel Ilaç Sanayii Ve Ticaret A.S.Inventors: Ömer Reis, Hasan Koyuncu, Ilker Esiringu, Yasemin Sahin, H. Ozan Gulcan
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Publication number: 20140018578Abstract: We have developed a new method for the synthesis of Rasagiline (Formula 1) based on the alkylation of trifluoroacetyl protected aminoindan. This protection enabled us to carry out an alkylation of aminoindan with a high yield and purity under very mild conditions with a wide range of reaction conditions and reagent selection. Considering the ease, purity and high yields of introducing and removal of the trifluoroacetyl group, this approach is a highly practical and economical way for the synthesis of rasagiline or its pharmaceutically acceptable salts.Type: ApplicationFiled: January 13, 2011Publication date: January 16, 2014Inventors: Ömer Reis, Hasan Koyuncu, Ilker Esiringu, Yasemin Sahin, H. Ozan Gulcan
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Publication number: 20130072711Abstract: A compound of formula wherein PROT is an amine protecting group and PROT? is hydrogen; or PROT and PROT? together with the nitrogen atom to which they are attached form a heterocyclic ring as an amine protecting group, and PROT? is a thiol protecting group, processes for its production, intermediates in their production and production of intermediates in stereoisomerically pure form, and their use for the production of pharmaceutically active compounds.Type: ApplicationFiled: May 26, 2010Publication date: March 21, 2013Applicant: NABRIVA THERAPEUTICS AGInventors: Rosemarie Riedl, Werner Heilmayer, Lee Spence, Atchyuta Rama Chandra Murty Bulusu
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Novel 1, 2-Disubstituted Amido-anthraquinone Derivatives, Preparation Method and application thereof
Publication number: 20130059862Abstract: The invention provides a series of novel 1,2-disubstituted amido-anthraquinone derivatives. Further, the invention also provides the preparation method and application of said derivatives, said application comprises: said derivatives with therapeutically effective amount are prepared into pharmaceutical compositions for inhibition of cancer cell growth, further treating cancer.Type: ApplicationFiled: August 1, 2012Publication date: March 7, 2013Inventor: Hsu-Shan HUANG -
Publication number: 20120316234Abstract: The present invention is related to an anthraquinone-based compound represented by compound (I) wherein the R1, R2, R3, R4, R5 or R6 is selected by the group of H, amide, amino-amide, acyl, chloroacetamide, chloropropionamido, a substituted chloroacetamide and a substituted chloropropionamido. The present invention is also related to the method of producing the anthraquinone-based compound and the application thereof.Type: ApplicationFiled: October 7, 2011Publication date: December 13, 2012Applicant: NATIONAL DEFENSE MEDICAL CENTERInventor: Hsu-Shan HUANG
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Patent number: 7786329Abstract: A process for preparing ester oxazolidine compounds is disclosed. These compounds are useful intermediates in processes for making Florfenicol.Type: GrantFiled: August 31, 2006Date of Patent: August 31, 2010Assignee: Intervet Inc.Inventor: James C. Towson
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Patent number: 7776919Abstract: This invention provides certain compounds, methods of their preparation, pharmaceutical compositions comprising the compounds, and their use in treating human or animal disorders. The compounds of the invention are useful as modulators of the interaction between the receptor for advanced glycated end products (RAGE) and its ligands, such as advanced glycated end products (AGEs), S100/calgranulin/EN-RAGE, ?-amyloid and amphoterin, and for the management, treatment, control, or as an adjunct treatment for diseases in humans caused by RAGE. Such diseases or disease states include acute and chronic inflammation, the development of diabetic late complications such as increased vascular permeability, nephropathy, atherosclerosis, and retinopathy, the development of Alzheimer's disease, erectile dysfunction, and tumor invasion and metastasis.Type: GrantFiled: January 24, 2008Date of Patent: August 17, 2010Assignee: TransTech Pharm, Inc.Inventors: Adnan M. M. Mjalli, Robert C. Andrews, Ramesh Gopalaswamy, Christopher L. Wysong
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Publication number: 20100041717Abstract: Compounds of formula (Ia) and (Ib), wherein A, B, C, R1and R14 are described herein.Type: ApplicationFiled: November 28, 2007Publication date: February 18, 2010Applicant: BRISTOL-MYERS SQUIBB COMPANYInventors: Mark E. Salvati, James A. Johnson, Ningning Xu
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Publication number: 20090298898Abstract: Compounds of formula wherein A0, A1 and A2 are each independently of the others a bond or a C1-C6alkylene bridge; A3 is a C1-C6alkylene bridge which is unsubstituted or substituted by from one to six identical or different substituents selected from halogen and C3-C8cycloalkyl; Y is, for example, O, S, SO or SO2; M is O or NOR6, X1 and X2 are each independently of the other fluorine, chlorine or bromine; R1, R2 and R3 are, for example, H, halogen, OH, SH, CN, nitro, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkylcarbonyl, C2-C6alkenyl, C2-C6haloalkenyl or C2-C6alkynyl; Q is, for example, O, S, SO or SO2; W is, for example, O, S, SO, SO2, —C(?O)—O— or —O—C(?O)—; T is, for example, a bond, O, S, SO, SO2, —C(?O)—O— or —O—C(?O)—; D is CH or N; R4 is, for example, H, halogen, OH, SH, CN, nitro, C1-C6alkyl or C1-C6haloalkyl; R5 is, for example, C1-C12alkyl, C3-C8cycloalkyl or —N(R7)2; R7 is H, C1-C6alkyl, C1-C3haloalkyl, C1-C6alkylcarbonyl, C1-C3haloalkylcarbonyl, C1-C6alkoxycarbonyl, C3-C8cycloalkyl, C3-C8 cycloalkylType: ApplicationFiled: July 31, 2009Publication date: December 3, 2009Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Werner Zambach, Roger Graham Hall, Peter Renold, Stephan Trah
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Publication number: 20090275758Abstract: A process for the production of a compound of Formula I, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable prodrug ester thereof, comprising cleaving a lactam of formula II wherein the symbols are as defined, with a base; and precursors therefor and processes for the preparation of the precursors. The compounds of Formula I are pharmaceutically active compounds which are selective inhibitors of Cyclooxygenase II.Type: ApplicationFiled: May 7, 2009Publication date: November 5, 2009Inventors: Murat Acemoglu, Thomas Allmendinger, John Vincent Calienni, Jacques Cercus, Olivier Loiseleur, Gottfried Sedelmeier, David Xu
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Patent number: 7601869Abstract: The present invention relates to a method for the preparation of Florfenicol from Fluoroamine compound, namely (1R,2S)-1-[4-(methylsulfonyl)phenyl]-2-amino-3-fluoro-1-propanol (II), by reaction with dihaloacetic acid ester in an organic solvent in presence of an inorganic base.Type: GrantFiled: June 12, 2006Date of Patent: October 13, 2009Assignee: Aurobindo Pharma Ltd.Inventors: Mallikarjuna Reddy Karuru, Arun Kumar Gupta, Sivakumaran Meenakshisunderam
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Patent number: 7569727Abstract: Compounds of formula wherein A0, A1 and A2 are each independently of the others a bond or a C1-C6alkylene bridge; A3 is a C1-C6alkylene bridge which is unsubstituted or substituted by from one to six identical or different substituents selected from halogen and C3-C8cycloalkyl; Y is, for example, O, S, SO or SO2; M is O or NOR6, X1 and X2 are each independently of the other fluorine, chlorine or bromine; R1, R2 and R3 are, for example, H, halogen, OH, SH, CN, nitro, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkylcarbonyl, C2-C6alkenyl, C2-C6haloalkenyl or C2-C6alkynyl; Q is, for example, O, S, SO or SO2; W is, for example, O, S, SO, SO2, —C(?O)—O— or —O—C(?O)—; T is, for example, a bond, O, S, SO, SO2, —C(?O)—O— or —O—C(?O)—; D is CH or N; R4 is, for example, H, halogen, OH, SH, CN, nitro, C1-C6alkyl or C1-C6haloalkyl; R5 is, for example, C1-C12alkyl, C3-C8cycloalkyl or —N(R7)2; R7 is H, C1-C6alkyl, C1-C3haloalkyl, C1-C6alkylcarbonyl, C1-C3haloalkylcarbonyl, C1-C6alkoxycarbonyl, C3-C8cycloalkyl, C3-C8 cycloalkylType: GrantFiled: April 7, 2008Date of Patent: August 4, 2009Assignee: Syngenta Crop Protection, Inc.Inventors: Werner Zambach, Roger Graham Hall, Peter Renold, Stephan Trah
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Patent number: 7423177Abstract: This invention provides certain compounds, methods of their preparation, pharmaceutical compositions comprising the compounds, and their use in treating human or animal disorders. The compounds of the invention are useful as modulators of the interaction between the receptor for advanced glycated end products (RAGE) and its ligands, such as advanced glycated end products (AGEs), S100/calgranulin/EN-RAGE, ?-amyloid and amphoterin, and for the management, treatment, control, or as an adjunct treatment for diseases in humans caused by RAGE. Such diseases or disease states include acute and chronic inflammation, the development of diabetic late complications such as increased vascular permeability, nephropathy, atherosclerosis, and retinopathy, the development of Alzheimer's disease, erectile dysfunction, and tumor invasion and metastasis.Type: GrantFiled: March 5, 2002Date of Patent: September 9, 2008Assignee: TransTech Pharma, Inc.Inventors: Adnan M. M. Mjalli, Robert C. Andrews, Ramesh Gopalaswamy, Chris Wysong
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Patent number: 7402697Abstract: D-(threo)-1-aryl-2-disubstitutedacylamido-3-fluoro-1-propanol compounds compounds and analogues thereof (“Fenicol Compounds”), compositions comprising an effective amount of a Fenicol Compound, and methods for treating or preventing a bacterial infection in an animal comprising administering to an animal in need thereof an effective amount of a Fenicol Compound are disclosed.Type: GrantFiled: August 23, 2005Date of Patent: July 22, 2008Assignee: Idexx Laboratories Inc.Inventor: Yerramilli V. S. N. Murthy
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Publication number: 20080119670Abstract: The present invention relates to novel methods for the preparation of glutamic acid derivatives and intermediates thereof, and such compounds prepared by the novel methods.Type: ApplicationFiled: June 1, 2007Publication date: May 22, 2008Applicant: WyethInventors: Timothy Doyle, Joseph Zeldis, Ronald S. Michalak, David M. Blum, Mel Jennings, Julianne Blum
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Patent number: 7119229Abstract: Colchicine derivatives represented by the formula (I) with a halogen or nitric ester group, or pharmaceutically acceptable salts thereof, are described. Pharmaceutical compositions containing the same as effective components are also described. The colchicine derivatives were found to have anticancer, anti-proliferous and immunosuppressive function. Methods for preparing the colchicines derivatives are also provided.Type: GrantFiled: May 27, 2002Date of Patent: October 10, 2006Assignees: Chemtech Research Incorporation, KT & G CorporationInventors: Wan Joo Kim, Kyoung Soo Kim, Myung Hwa Kim, Jong Yek Park, Jung Min Jang, Jae Won Choi, Dong Hoo Kim
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Patent number: 6822118Abstract: A process for the hydrogenation of imines with hydrogen under elevated pressure in the presence of iridium catalysts and with or without an inert solvent, wherein the reaction mixture contains an ammonium or metal chloride, bromide or iodide and additionally an acid.Type: GrantFiled: September 10, 1997Date of Patent: November 23, 2004Assignee: Syngenta Crop Protection, Inc.Inventors: Hans-Peter Jalett, Felix Spindler, Hans-Ulrich Blaser, Reinhard Georg Hanreich
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Publication number: 20030153597Abstract: 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: ApplicationFiled: November 12, 2002Publication date: August 14, 2003Inventors: Edmund J. Moran, John R. Jacobsen, James B. Aggen
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Patent number: 6566554Abstract: The present invention relates to a compound of general formula (I) wherein R1, R2, and R3 represents one or more, same or different substituents selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)akylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, or nitro; further R2 can be hydrogen, and R3 can be carboxy and carbamoyl; R4 represents hydrogen, (C1-C3)alkyl, or allyl; X represents oxygen or sulphur; Q represents —(CO)—, —(CS)—, or a bond; Y represents (C5-C15)alkyl; (C2-C15)olefinic group; (C3-C10)monocyclic hydrocarbon group; or phenyl; any of which may be optionally substituted by one or more, same or different substituents selected from the group consisting of the formula R5 defined below; (C1-C4)alkyl substituted by one or more substituents selected for the group R5; or a group of the formula —(Z—O)n—Z, wherein Z is a (C1-C3)alkyl, n is anType: GrantFiled: February 22, 2002Date of Patent: May 20, 2003Assignee: Leo Pharmaceutical Products Ltd. a/s (Lovens Kemiske Fabrik Produktionsaktieselskab)Inventor: Erik Rytter Ottosen
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Patent number: 6555710Abstract: The present invention relates to compounds of formula (I) wherein R1 and R2 independently represent one or more, same or different substituents selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, carbamoyl, phenyl, or nitro; R2 further being represented by hydrogen; R3 represents hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, phenyl, cyano, carboxy or carbomoyl; R4 represents hydrogen, (C1-C3)alkyl, or allyl; X represents oxygen or sulpher; with the proviso that formula (I) does not comprise the compound 2,2,2-trifluoro-N-[2-[3-chloro-4-(2-methylbenzoyl)-phenylamino]-phenyl]acetamide wherein R1 is a 2-methyl, R2 is 2-chloro, R3 and R4 is hydrogen, and X is oxygen; and a salt thereof with a pharmaceutically accepType: GrantFiled: March 15, 2002Date of Patent: April 29, 2003Assignee: Leo Pharmaceutical Products Ltd a/s Lovens Kemiske Fabrik ProduktionsaktieselskabInventor: Erik Rytter Ottosen
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Publication number: 20030069305Abstract: Benzobicyclooctane compounds, their use in inhibiting cellular events involving TNF-&agr; and IL-8, and in the treatment of inflammation events in general; a combinatorial library of diverse bicyclooctanes and process for their synthesis as a library and as individual compounds.Type: ApplicationFiled: December 11, 2001Publication date: April 10, 2003Applicant: Celltech R & D, Inc.Inventors: Randy W. Jackson, Ihab Darwish, Ted A. Baughman, J. Jeffry Howbert
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Publication number: 20020151750Abstract: The present invention is a process, including intermediates, to produce (2S)-2-dipropylamino)-6 -ethoxy-2,3-dihydro-1H-indene-5-carboxarnide 1Type: ApplicationFiled: June 6, 2002Publication date: October 17, 2002Inventors: Jiong Jack Chen, Arthur Glenn Romero, Styrbjorn Bystrom
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Publication number: 20020120148Abstract: This invention relates to new propanolamine derivatives or salts thereof represented by the following formula [I]: 1Type: ApplicationFiled: February 14, 2002Publication date: August 29, 2002Applicant: Fujisawa Pharmaceutical Co. Ltd.Inventors: Kiyoshi Taniguchi, Minoru Sakurai, Naoaki Fujii, Kumi Hosoi, Yasuyo Tomishima, Hisashi Takasugi, Hajime Sogabe, Hirofumi Ishikawa, Naomi Hanioka
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Publication number: 20020107418Abstract: The present invention is a process, including intermediates, to produce (2S)-2-dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide 1Type: ApplicationFiled: September 14, 2001Publication date: August 8, 2002Inventors: Jiong Jack Chen, Arthur Glenn Romero, Styrbjorn Bystrom
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Patent number: 6423870Abstract: The invention concerns compounds of formula (I) in which: A forms a tricyclic system of formula A1, A2, A3 or A4; R1 represents a hydrogen atom, an alkyl, hydroxy, alkoxy or oxo group; (R2)m and (R3)m′ are such as defined in the description; n represents an integer such that 0≦n≦3; p represents an integer such as defined in the description; B represents a group (a) or (b). The invention is useful for preparing medicines.Type: GrantFiled: July 14, 2000Date of Patent: July 23, 2002Assignee: Les Laboratoires ServierInventors: Michel Langlois, Monique Mathe-Allainmat, Carole Jellimann, Jean Andrieux, Caroline Bennejean, Pierre Renard, Philippe Delagrange
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Patent number: 6242609Abstract: A method for manufacturing a color coupler used in a silver halide photographic light-sensitive material using an ammonium trihalide. Said method for manufacturing the color coupler comprising the following step: a step for halogenating a coupling position of a four equivalent coupler using a halogenating agent, wherein said halogenating agent is said ammonium trihalide.Type: GrantFiled: April 7, 1999Date of Patent: June 5, 2001Assignee: Konica CorporationInventor: Fumio Ishii
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Patent number: 6043284Abstract: The present invention is concerned with diaryl compounds of formula (I) and their use in medical therapy, particularly in the prophylaxis or treatment of a clinical condition for which an ACAT inhibitor is indicated, such as hyperlipidaema or atherosclerosis. The invention also relates to pharmaceutical compositions and processes for the preparation of compounds according to the invention.Type: GrantFiled: February 5, 1998Date of Patent: March 28, 2000Assignee: Glaxo Wellcome Inc.Inventors: Richard James Arrowsmith, John Gordon Dann, Karl Witold Franzmann, Simon Teanby Hodgson, Peter John Wates
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Patent number: 5972939Abstract: The compounds of formula I are useful in treating gastrointestinal disorders associated with antagonizing the motilin receptor disorders. The compounds compete with erythromycin and motilin for the motilin receptor. In addition the compounds are antagonists of the contractile smooth muscle response to those ligands.Type: GrantFiled: October 26, 1998Date of Patent: October 26, 1999Assignee: Ortho-McNeil Pharmaceutical, Inc.Inventors: Robert H. Chen, Min Xiang, John B. Moore, Jr., Mary Pat Beavers
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Patent number: 5880160Abstract: The present invention relates to novel colchicine derivatives having antiproliferative, antineoplastic, antiinflammatory and muscle relaxant activities; said derivatives include novel colchine nitrogen amides for use either as such or after derivatization of the hydroxyl at C.sub.3 of the aromatic ring and at C.sub.10 of the tropolone ring. These novel compounds have a cytotoxicity on human tumoral cell lines comparable with colchicine but, in comparison with the latter, they are much more active on cells resistant to the usual antiblastics. The compounds can be included in pharmaceutical formulations useful for the intravenous, oral and topical administrations.Type: GrantFiled: June 27, 1996Date of Patent: March 9, 1999Assignee: Indena S.p.A.Inventors: Ezio Bombardelli, Bruno Gabetta
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Patent number: 5872296Abstract: A process for preparing enantiomerically pure cis-1-amino-2-hydroxyindane, which comprisesa) converting racemic trans-1-aminoindan-2-ol with acids or acid derivatives of the general formula RCOX by conventional methods into amides of type A ##STR1## b) adding seed crystals of one enantiomer to a super-saturated solution or melt of the racemic amide A,c) isolating the crystals which have separated out, and again supersaturating the remaining mother liquor or melt after dissolving racemic amide A, and adding seed crystals of the other enantiomer, leading to selective crystallization of the latter,d) converting the resulting enantiomerically pure trans amide by conventional methods into the enantiomerically pure cis-1-amino-2-hydroxyindane.Type: GrantFiled: October 28, 1997Date of Patent: February 16, 1999Assignee: BASF AktiengesellschaftInventors: Christoph Nubling, Wolfgang Ladner
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Patent number: 5852215Abstract: Aromatic azomethines are produced by continuous reaction of an aniline with a formaldehyde source, with continuous evaporation to remove residual water of reaction. The azomethine product may be further reacted, either continuously or in batch process, with a haloacetylating agent, and, additionally, with an aliphatic alcohol.Type: GrantFiled: September 19, 1996Date of Patent: December 22, 1998Assignee: Zeneca LimitedInventors: Kambiz Javdani, Louie A. Nady, Ping H. Sih, Gilbert Rodriguez
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Patent number: 5849945Abstract: The present invention pertains to a process for the preparation of Compound (4) through the below-described reaction route: ##STR1## wherein R.sup.1 and R.sup.2 each represents H, halogen, OH or C.sub.1-6 alkyl group; X and Y each represents a protected amino group and n stands for 0 to 4. According to the above process, an aminotetralone derivative which is an intermediate useful for an industrial preparation of a camptothecin derivative can be obtained in a convenient manner and in a high yield.Type: GrantFiled: August 21, 1997Date of Patent: December 15, 1998Assignees: Daiichi Pharmaceutical Co., Ltd., Kabushikikaisha Yakult HonshaInventors: Shinji Kamihara, Kazuaki Kanai, Shigeru Noguchi
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Patent number: 5824705Abstract: Carbamates of the formula I ##STR1## where the substituents have the following meanings: Z is methoxy, NH.sub.2, NHCH.sub.3, N(CH.sub.3).sub.2, CH.sub.3, C.sub.2 H.sub.5, CF.sub.3 or CCl.sub.3,X and Y are identical or different and each is hydrogen, F, Cl, Br, CF.sub.3, CN, NO.sub.2, alkoxy, alkenyloxy, alkynyloxy, alkyl, alkenyl or alkynyl or may be condensed together to form a substituted or unsubstituted aromatic or heteroaromatic, alicyclic or heterocyclic, partially or completely hydrogenated ring,R.sup.1 may also be substituted or unsubstituted and is O-alkyl, O-alkenyl, O-alkynyl, O-cycloalkyl, O-cycloalkenyl or O--CO.sub.2 -alkyl,A is --O--, --S--, --CR.sup.2 .dbd.CR.sup.3 --, CHR.sup.2 --O--, --CHR.sup.2 --S--, --CHR.sup.2 --O--N.dbd.C(R.sup.4)--, --CR.sup.2 .dbd.N--O--, --O--N.dbd.C(R.sup.4)--, --C.tbd.C--, --CHR.sup.2 --CHR.sup.3 --, --CHR.sup.2 --O--CO--, --O--CHR.sup.Type: GrantFiled: July 29, 1994Date of Patent: October 20, 1998Assignee: BASF AktiengesellschaftInventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
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Patent number: 5753709Abstract: Certain N-acyl 2-aryl cyclopropylmethylamine derivatives are useful as melatonergic agents.Type: GrantFiled: May 9, 1996Date of Patent: May 19, 1998Assignee: Bristol-Myers Squibb CompanyInventors: Daniel J. Keavy, Michael F. Parker, Ronald J. Mattson, Graham Johnson
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Patent number: 5736578Abstract: Novel substituted fluorene compunds of Formula I are active as melatonergic agents: ##STR1## wherein: X=H, halogen, OH or OZ;Z=C.sub.1-6 alkyl; --(CH.sub.2).sub.m --CF.sub.3 (m=0-2); CD.sub.3 ; or ##STR2## n=1 or 2; and R=C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, C.sub.2-4 alkenyl, halogen substituted C.sub.1-6 alkyl, or C.sub.1-6 alkoxy substituted C.sub.1-6 alkyl.Type: GrantFiled: May 10, 1996Date of Patent: April 7, 1998Assignee: Bristol-Myers Squibb CompanyInventors: Brett T. Watson, Katherine S. Takaki, Joseph P. Yevich, James R. Epperson, George N. Karageorge, Karen L. Leboulluec
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Patent number: 5723665Abstract: A process for producing an ethenyl amide compound, which comprises reacting a Schiff base compound having a carbon atom adjacent to a carbon atom constituting an imino group and at least one hydrogen atom on the carbon atom with an acylhalide at a reduced pressure while removing by-produced hydrogen halide by distillation to produce an ethenyl amide compound having an amide bond in the molecule and a double bond between carbons at .alpha.-position and .beta.-position with respect to the nitrogen atom of the amide bond.Type: GrantFiled: November 15, 1996Date of Patent: March 3, 1998Assignee: Tokuyama CorporationInventors: Shozo Kato, Shigeo Tamura, Toshio Kitajima, Noriyuki Fukada
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Patent number: 5712312Abstract: The invention relates to a compound selected from these of formula (I): ##STR1## in which R.sub.7, R.sub.8, Y, n and A are as defined in the description, and medicinal product containing the same useful for treating a disorder of the melatoninergic system.Type: GrantFiled: April 12, 1996Date of Patent: January 27, 1998Assignee: Adir et CompagnieInventors: Michel Langlois, Monique Mathe-Allainmat, Philippe Delagrange, Pierre Renard, Beatrice Guardiola
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Patent number: 5700840Abstract: Fluorinated alkene compounds useful for controlling nematodes, insects, and acarids that prey on agricultural crops, these compounds having the formula BrCF.sub.2 CFClCH.sub.2 CO--R where R is R.sub.1 or R.sub.2. R.sub.1 is --SR.sub.5, halogen, --NHOH or --NR.sub.5 R.sub.6, where R.sub.5 and R.sub.6 are independently H; an aliphatic or aromatic group; an aliphatic amine group; an aliphatic carboxylic acid group; or R.sub.5 and R.sub.6 when taken with the N of R.sub.1 are an amino acid or a cyclic group or R.sub.1 is --OR.sub.5, where R.sub.5 is an aliphatic or aromatic group; an aliphatic amine group; or an aliphatic carboxylic acid group. R.sub.2 is --SR.sub.5 or --NR.sub.5 R.sub.6, where R.sub.5 and R.sub.6 are independently H; an aliphatic, aromatic or heterocyclic group; an aliphatic amine group; an aliphatic carboxylic acid group; R.sub.5 and R.sub.6 when taken with the N of R.sub.2 are an amino acid or a cyclic group; R.sub.5 and R.sub.6 when taken with the N of R.sub.Type: GrantFiled: May 23, 1995Date of Patent: December 23, 1997Assignee: Monsanto CompanyInventors: Dennis Paul Phillion, Peter Gerrard Ruminski, Gopichand Yalamanchili
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Patent number: 5670684Abstract: The present invention provides novel intermediates which are useful for the preparation of excitatory amino acid receptor antagonists. Further provided is a process to enatioselectively prepare hydroisoquinoline compounds with central nervous system activity.Type: GrantFiled: May 19, 1995Date of Patent: September 23, 1997Assignee: Eli Lilly and CompanyInventors: Anita Melikian-Badalian, Paul L. Ornstein
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Patent number: 5665756Abstract: Novel aminoalkyloximes of the formula ##STR1## wherein: a. X is hydrogen, loweralkyl, loweralkoxy, halogen, trifluoromethyl, or a group of the formula ##STR2## wherein Y is hydrogen or loweralkyl, and p is 1 or 2; b. A is a group of the formula ##STR3## c. R.sup.1 and R.sup.2 are independently hydrogen or lowerakyl; and d. m is 2 to 6 and n is 0, or 2 to 6, inclusive, serotonin reuptake inhibitors, useful for treating depression and obsessive compulsive disorders are described. Also described are precursors of and processes for the preparation of such aminoakyloximes.Type: GrantFiled: August 3, 1994Date of Patent: September 9, 1997Assignee: Hoechst Marion Roussel, Inc.Inventors: Gregory M. Shutske, Brian S. Freed, John D. Tomer, IV, R. Richard L. Hamer
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Patent number: 5650540Abstract: Provided is a method of producing a highly pure amide compound in a high yield, wherein a silazane compound and/or a silane compound having at least one silicone-nitrogen bond are added to a reaction mixture obtained by reacting an acylfluoride group-containing compound with an amino compound, wherein the amide compound is present together with hydrogen fluroide and/or the amine hydrofluoride, thereby removing the hydrogen fluoride and/or the amine hydrofluoride from the reaction mixture.Type: GrantFiled: October 30, 1995Date of Patent: July 22, 1997Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Takashi Matsuda, Shinichi Sato, Noriyuki Koike
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Patent number: 5637770Abstract: A novel hexa-cyclic compound, a derivative of camptothecin, of the general formula: ##STR1## The compound is prepared from an aminoketone compound and a pyranoindolizine compound by the condensation-ring closing reaction. It is abundantly water-soluble, and has an excellent antitumour activity and a high degree of safety, and can be applied as an antitumour medicine for curing tumors of various kinds.Type: GrantFiled: May 31, 1995Date of Patent: June 10, 1997Assignees: Daiichi Pharmaceutical Co., Ltd., Kabushiki Kaisha Yakult HonshaInventors: Hirofumi Terasawa, Akio Ejima, Satoru Ohsuki, Kouichi Uoto
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Patent number: 5352832Abstract: The present invention comprises a process for the asymmetric synthesis of florfenicol, thiamphenicol or chloramphenicol, from a derivative of trans-cinnamic acid, comprising the steps:(a) converting the acid to an acid chloride using a chlorinating agent, and reducing the acid chloride to a trans allylic alcohol with a reducing agent;(b) asymmetrically epoxidizing the allylic alcohol of step (a), by reacting with t-butylhydroperoxide in the presence of a chiral epoxidation catalyst prepared from titanium (IV) isopropoxide and L-diisopropyltartaric acid, to form a chiral epoxide;(c) regioselectively opening the epoxide of step (b) by sequentially treating with sodium hydride, zinc chloride and dichloroacetonitrile to form an oxazoline;(d) stereoselective inversion/isomerization of the oxazoline of step (c) by sequentially treating with: (i) a lower alkylsulfonyl chloride and a tertiary amine base; (ii) sulfuric acid and water; (iii) an alkali metal hydroxide; to form an oxazoline;(e) optionally treating the oxType: GrantFiled: December 18, 1992Date of Patent: October 4, 1994Assignee: Schering CorporationInventors: Guang-Zhong Wu, Wanda I. Tormos
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Patent number: 5286753Abstract: The present invention provides novel ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes, 3-aminochromanes, and 3-aminothiochromanes, including their corresponding sulfoxides and sulfones, which ring-substituted compounds exhibit agonist activity at the serotonin 1A receptor.Type: GrantFiled: April 16, 1993Date of Patent: February 15, 1994Assignee: Eli Lilly and CompanyInventors: John M. Schaus, Craig S. Hoechstetter, Diane Huser, Charles J. Paget, Robert D. Titus
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Patent number: 5175342Abstract: The present invention relates to esters of 3-demethylthiocolchicine and N-acyl analogs thereof having the following formula: ##STR1## wherein R is O-CO-alkyl, O-CO-CH.sub.2 Oalkyl, O-CO-Phenyl, O-COOalkyl; the alkyl group having from 1 to 4 carbon atoms and the Ac group representing acetyl and its higher homologs, benzoyl, alkoxyacetyl, or haloacetyl.The invention further relates to processes for preparing these ester compounds, pharmaceutical compositions thereof and methods for treating diseases such as gout, Mediterranean fever and liver disorders.Type: GrantFiled: April 18, 1991Date of Patent: December 29, 1992Assignee: The United States of America as represented by the Department of Health and Human ServicesInventor: Arnold Brossi
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Patent number: 5071875Abstract: The present invention relates generally to compounds having melatonin receptor activities and in particular to substituted 2-amidotetralin derivatives; to pharmaceutical preparations comprising such compounds; and to methods for using these compounds as therapeutic and diagnostic reagents.Type: GrantFiled: September 25, 1989Date of Patent: December 10, 1991Assignee: Northwestern UniversityInventors: Alan S. Horn, Margarita L. Dubocovich
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Patent number: 5021414Abstract: A phenol derivative of the formulaNU--A--X--R.sup.1wherein NU is a defined bis-phenolic nucleus including a hydroxyphenyl-hydroxynaphthyl; hydroxyphenyl-hydroxyindanyl, hydroxyphenyl-hydroxybenzothienyl or di-hydroxyphenyl-ethylene or vinylene nucleus;wherein A is alkylene, alkenylene or alkynylene which may be interrupted by phenylene or other linkages,wherein R.sup.1 is hydrogen, or alkyl, alkenyl, cycloalkyl, halogenoalkyl, aryl or arylalkyl, or R.sup.1 is joined to R.sup.2, and wherein X is --CONR.sup.2 --, --CSNR.sup.2 --, --NR.sup.12 CO--, --NR.sup.12 CS--, --NR.sup.12 CONR.sup.2 --, ##STR1## --SO.sub.2 NR.sup.2 -- or --CO--, or, when R.sup.1 is not hydrogen, is --NR.sup.12 COO--, --S--, --SO-- or --SO.sub.2 --,wherein R.sup.2 is hydrogen or alkyl, or R.sup.1 and R.sup.2 together form alkylene;wherein R.sup.12 is hydrogen or alkyl, and wherein R.sup.22 is hydrogen, cyano or nitro;or a salt thereof when appropriate.Type: GrantFiled: December 18, 1989Date of Patent: June 4, 1991Assignee: Imperial Chemical Industries PLCInventors: William R. Pilgrim, Derek W. Young, Brian S. Tait, Graham C. Crawley, Philip N. Edwards, George B. Hill
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Patent number: 4978773Abstract: A new process for the preparation of 2,6-dichlorodiphenylamine derivatives is described, which process provides the desired active compound in a high yield and with a very high degree of purity by a technically simple and realizable procedure.Type: GrantFiled: June 21, 1989Date of Patent: December 18, 1990Assignee: Heumann Pharma GmbH & Co.Inventors: Ingomar Grafe, Helmut Schickaneder, Kurt H. Ahrens
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Patent number: 4935053Abstract: Compounds having utility as herbicides for the premergement treatment and control of grasses and weeds in crops such as rice and having the general structural formula: ##STR1## wherein each R.sup.1 is independently H or a straight chain or branched C.sub.1-10 alkyl or alkoxy group; R.sup.2 is a straight chain or branched C.sub.1-10 alkylene group; R.sup.3 is --CH.sub.2 (CH.sub.2).sub.m O(CH.sub.2).sub.n CH.sub.3 or ##STR2## where both m and n are integers from 1 to 4; and X is a halogen.Type: GrantFiled: June 12, 1989Date of Patent: June 19, 1990Assignee: Air Products and Chemicals, Inc.Inventors: Burgoyne, Jr. William F., Dale D. Dixon
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Patent number: 4919709Abstract: The optically active isomer of S(-)-N-(1'methyl-2'-methoxyethyl)-N-chloroacetyl-2,6-dimethylaniline has improved action against problem weeds over the racemic mixture of isomers.Type: GrantFiled: December 7, 1984Date of Patent: April 24, 1990Assignee: Ciba-Geigy CorporationInventors: Hans Moser, Christian Vogel