Carbocyclic Ring Bonded Directly At 4-position Patents (Class 546/228)
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Patent number: 9221819Abstract: The present application describes modulators of chemokine receptor activity of formula I or stereoisomers or pharmaceutically acceptable salts thereof. In addition, methods of treating and preventing inflammatory diseases such as asthma and allergic diseases, as well as autoimmune pathologies such as rheumatoid arthritis and transplant rejection using modulators of formula (I) are disclosed.Type: GrantFiled: October 1, 2014Date of Patent: December 29, 2015Assignee: Bristol-Myers Squibb CompanyInventors: T. G. Murali Dhar, John V. Duncia, Daniel S. Gardner, Weiwei Guo, John Hynes
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Publication number: 20140275152Abstract: Provide herein are compounds and pharmaceutical compositions suitable as modulators of hemoglobin, methods and intermediates for their preparation, and methods for their use in treating disorders mediated by hemoglobin and disorders that would benefit from tissue and/or cellular oxygenation.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Inventors: Brian W. Metcalf, Zhe Li
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Publication number: 20140099651Abstract: The invention provides novel haptens and immunogens for the preparation of novel monoclonal antibodies, which detect the synthetic opioid meperidine and its active metabolite normeperidine. These antibodies enable methods and kits, which are useful in an immunoassay for therapeutic drug monitoring (TDM) and in extending the window of detection for cases of abuse and drug-facilitated sexual assault (DFSA).Type: ApplicationFiled: October 8, 2013Publication date: April 10, 2014Inventors: Ivan McConnell, Elouard Benchikh, Philip Lowry, Peter Fitzgerald
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Patent number: 8349923Abstract: The present invention relates to a novel method of flame retarding a polymeric substrate by adding a small but efficient amount of a synergistic mixture of at least one sterically hindered N-alkoxyamine (NOR), at least a metal salt of hypophosphorous (phosphinic) acid and at least one organo-halogen flame retardant. A further aspect of the invention is the flame retardant composition itself and together with a polymer. The present invention also relates to polymeric articles (e.g. moldings, films, fibers, etc.) that are stabilized against light, heat and oxygen and made flame retardant by incorporation of at least one sterically hindered N-alkoxy amine, at least a metal salt of hypophosphorous acid (phosphinic acid) and at least one organo-halogen flame retardant.Type: GrantFiled: December 12, 2008Date of Patent: January 8, 2013Assignee: BASF SEInventor: Michael Roth
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Publication number: 20120149900Abstract: Fluorinated compounds and methods of making fluorinated compounds are described herein.Type: ApplicationFiled: January 8, 2010Publication date: June 14, 2012Inventors: Tobias Ritter, Laura Brass, Curtis Keith, Alan Watson, David J. Greenblatt
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Patent number: 7935703Abstract: Compounds of Formula I or pharmaceutically acceptable salts or solvates thereof: wherein Ar1, Ar2, A, X, Y, m, n and R1, R2, R3, R4 and R5 are as described in the specification, processes for their preparation, pharmaceutical formulations comprising them and their use in therapy, particularly in the therapy of neurological and psychiatric disorders associated with glutamate dysfunction.Type: GrantFiled: January 5, 2007Date of Patent: May 3, 2011Assignee: AstraZeneca ABInventors: Abdelmalik Slassi, Methvin Isaac, Jalaj Arora, Dean Brown
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Patent number: 7875287Abstract: The present invention relates to Tc-labeled arylpiperazine derivatives for imaging serotonin receptor and, more particularly, to arylpiperazine derivatives coupled with MAMA-disulfide, N2S2 or dimethyl-N2S2 chelating ligand represented by the following chemical formula (1). New arylpiperazine derivatives according to the present invention have no problem of amide hydrolysis in metabolism and have a high affinity for serotonin receptors, and can be labeled with an optimum radionuclide of technetium, thereby being usefully applied for monitoring neurodegenerative diseases or neurological diseases of a mammal.Type: GrantFiled: November 10, 2005Date of Patent: January 25, 2011Assignee: Korea Atomic Energy Research InstituteInventors: Sang Hyun Park, Hue Jeong Kwon, Seung Ho Jang
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Patent number: 7776884Abstract: The present application describes modulators of MCP-1 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of rheumatoid arthritis, multiple sclerosis, atherosclerosis, asthma, restinosis, organ transplantation, and cancer.Type: GrantFiled: February 10, 2006Date of Patent: August 17, 2010Assignee: Bristol-Myers Squibb CompanyInventor: Robert J. Cherney
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Publication number: 20100191475Abstract: Materials, methods and a computer system are provided which facilitate the identification and characterization of modulators of potassium ion channels, particularly the HERG channel.Type: ApplicationFiled: March 4, 2010Publication date: July 29, 2010Inventors: Scott Perschke, Ming Liu
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Patent number: 7601844Abstract: The present application describes substituted piperidinyl modulators of MIP-1? or CCR-1 or stereoisomers or pharmaceutically acceptable salts thereof. In addition, methods of treating and preventing inflammatory diseases such as asthma and allergic diseases, as well as autoimmune pathologies such as rheumatoid arthritis and transplant rejection using said modulators are disclosed.Type: GrantFiled: January 23, 2007Date of Patent: October 13, 2009Assignee: Bristol-Myers Squibb CompanyInventors: Percy H. Carter, Cullen L. Cavallaro, John V. Duncia, Daniel S. Gardner, John Hynes, Rui-Qin Liu, Joseph B. Santella, Dharmpal S. Dodd
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Publication number: 20090137585Abstract: N-Benzoyl arylsulfonamides having the formula are BCL-Xl inhibitors and are useful for promoting apoptosis. Also disclosed are BCL-Xl inhibiting compositions and methods of promoting apoptosis in a mammal.Type: ApplicationFiled: February 3, 2009Publication date: May 28, 2009Applicant: ABBOTT LABORATORIESInventors: David J. Augeri, Steven A. Baumeister, Milan Bruncko, Daniel A. Dickman, Hong Ding, Jurgen Dinges, Stephen W. Fesik, Philip J. Hajduk, Aaron R. Kunzer, William Mcclellan, David G. Nettesheim, Thorsten Oost, Andrew M. Petros, Saul H. Rosenberg, Wang Shen, Sheela A. Thomas, Xilu Wang, Michael D. Wendt
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Patent number: 7410971Abstract: A compound represented by the following general formula (1) or (100), a salt thereof or a hydrate of the foregoing has excellent cell adhesion inhibitory action or cell infiltration inhibitory action, and is useful as a therapeutic or prophylactic agent for various inflammatory diseases and autoimmune diseases associated with adhesion and infiltration of leukocytes, such as inflammatory bowel disease (particularly ulcerative colitis or Crohn's disease), irritable bowel syndrome, rheumatoid arthritis, psoriasis, multiple sclerosis, asthma and atopic dermatitis. wherein R10 represents optionally substituted cycloalkyl, etc., R20-23 represent hydrogen, alkyl, alkoxy, etc., R30-32 represent hydrogen, alkyl, oxo, etc., and R40 represents optionally substituted alkyl, etc.Type: GrantFiled: December 24, 2004Date of Patent: August 12, 2008Assignee: Eisai R&D Management Co., Ltd.Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
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Patent number: 6998488Abstract: A novel process is provided for the preparation of 4-aryl piperidines, and the useful intermediates obtained therein. These compounds are intermediates for the synthesis of melanocortin-4 receptor (MC-4R), which are useful for the treatment of disorders such as obesity, diabetes, male sexual dysfunction, and female sexual dysfunction.Type: GrantFiled: March 8, 2004Date of Patent: February 14, 2006Assignee: Merck & Co., Inc.Inventors: Genevieve N. Boice, Karen M. Conrad, Edward G. Corley, Louis Matty, Jr., Jerry A. Murry, Cecile G. Savarin
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Patent number: 6962998Abstract: Disclosed are a method for producing racemic piperidine derivatives by processing optically-active piperidine derivatives in a hydrogen atmosphere in the presence of a reducing catalyst; and a method for producing optically-active piperidine derivatives or their acid salts by optically resolving the racemic piperidine derivatives obtained in the former method.Type: GrantFiled: June 4, 2001Date of Patent: November 8, 2005Assignee: Toray Industries, Inc.Inventors: Toshihiro Fujino, Haruyo Sato
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Patent number: 6858628Abstract: The invention provides compounds which are useful as inhibitors of metalloproteases, and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to a compound having a structure according to Formula (I). Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: December 3, 2002Date of Patent: February 22, 2005Assignee: The Proctor & Gamble CompanyInventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng
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Publication number: 20040249161Abstract: Compounds of formula (I), or pharmaceutically acceptable salts or solvates thereof, and their use as pharmaceuticals, particularly as p38 kinase inhibitors.Type: ApplicationFiled: April 15, 2004Publication date: December 9, 2004Inventors: Richard Martyn Angell, Nicola Mary Aston, Paul Bamborough, Mark James Bamford, George Stuart Cockerill, Stephen Sean Flack, Dramane Ibrahim Laine, Ann Louise Walker
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Patent number: 6784186Abstract: This invention relates to novel structural analogues and derivatives of compounds with general analgesic or related pharmacological activity. In particular the invention relates to derivatives of opioid compounds, particularly morphine and related compounds, in which an opioid compound is linked via the nitrogen at position 17 to a spacer group, which in turn is linked to a charged group, or a pharmaceutically acceptable salt thereof. In particularly preferred embodiments the opioid compound is morphine, codeine, or buprenorphine.Type: GrantFiled: November 20, 2000Date of Patent: August 31, 2004Inventors: Roy W. Jackson, Kamani R. Subasinghe, Alan L. A. Boura
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Publication number: 20040072868Abstract: 1Type: ApplicationFiled: March 18, 2003Publication date: April 15, 2004Inventors: Jon Loren Collins, Adam M. Fivush, Patrick Reed Maloney, Eugene L. Stewart, Timothy Mark Willson
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Patent number: 6677454Abstract: Generally, the present invention is directed to central nervous system dopamine transporter-imaging agents and methods of use thereof. In certain embodiments, the present invention relates to radiolabeled piperidine derivatives for use as imaging agents in the diagnosis of Parkinson's disease. Another aspect of the present invention relates to piperidine monoamine transporter ligands, comprising a functional group capable of chelating a radionuclide, e.g., technetium, and methods of use thereof.Type: GrantFiled: January 28, 2003Date of Patent: January 13, 2004Assignee: Biostream Therapeutics, Inc.Inventors: John W. Babich, Miles P. Smith
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Patent number: 6638950Abstract: The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases.Type: GrantFiled: June 20, 2001Date of Patent: October 28, 2003Assignee: Bristol-Myers Squibb Pharma CompanyInventors: John V. Duncia, Joseph B. Santella, Dean A. Wacker, Wenqing Yao, Changsheng Zheng
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Publication number: 20030105078Abstract: The invention relates to novel diphenyl derivatives, to processes for their preparation and to their use in medicaments.Type: ApplicationFiled: February 26, 2002Publication date: June 5, 2003Inventors: Helmut Haning, Michael Woltering, Gunter Schmidt, Christiane Faeste, Hilmar Bischoff, Axel Kretschmer, Verena Vohringer, Peter Ellinghaus
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Patent number: 6525069Abstract: The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases.Type: GrantFiled: June 21, 2000Date of Patent: February 25, 2003Assignee: Bristol-Myers Squibb Pharma Co.Inventors: Soo S. Ko, George V. Delucca, John V. Duncia, Ui Tae Kim, Dean A. Wacker, Changsheng Zheng
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Patent number: 6476054Abstract: The present invention is directed to cyclic amines of the formula I: (wherein R1, R2, R3, m and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptors CCR-1, CCR-2, CCR-2A, CCR-2B, CCR-3, CCR-4, CCR-5, CXCR-3, and/or CXCR-4.Type: GrantFiled: October 17, 2000Date of Patent: November 5, 2002Assignee: Merck & Co., Inc.Inventors: Charles G. Caldwell, Paul E. Finke, Malcolm Maccoss, Sander G. Mills, Bryan Oates, Dooseop Kim, Shankaran Kothandaraman, Liping Wang
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Patent number: 6444686Abstract: The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases.Type: GrantFiled: December 17, 1999Date of Patent: September 3, 2002Assignee: Brsitol-Myers Squibb Pharma CompanyInventors: Soo S. Ko, George V. DeLucca, John V. Duncia, Ui Tae Kim, Joseph B. Santella, III, Dean A. Wacker
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Patent number: 6440996Abstract: The invention provides compounds of formula (I): X—L—X1 (I) wherein X and X1 are substituted piperidine, cyclohexane, or tetrahydropyran rings, and L is a linking group between X and X1; as well a pharmaceutical composition comprising a compound of formula I; intermediates and methods useful for preparing a compound of formula I; and therapeutic methods for treating drug addiction, Parkinson's disease, depression, or a disease wherein the administration of cocaine is indicated, comprising administering a compound of formula I or a pharmaceutically acceptable salt thereof to a mammal in need of such treatment.Type: GrantFiled: October 7, 1999Date of Patent: August 27, 2002Assignee: Georgetown UniversityInventors: Alan P. Kozikowski, Gian Luca Araldi, Amir P. Tamiz
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Publication number: 20010034449Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.Type: ApplicationFiled: February 21, 2001Publication date: October 25, 2001Inventors: James P. Galbo, Gerald A. Capocci, Nancy N. Cliff, Robert E. Detlefsen, Michael P. DiFazio, Ramanathan Ravichandran, Peter Solera
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Patent number: 6271377Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.Type: GrantFiled: February 25, 1999Date of Patent: August 7, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: James P. Galbo, Gerald A. Capocci, Nancy N. Cliff, Robert E. Detlefsen, Michael P. DiFazio, Ramanathan Ravichandran, Peter Solera
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Patent number: 6172233Abstract: Compounds of structure (2) are prepared by reaction of an arecoline analogue of structure(4) with an organometallic compound containing an X-substituted phenyl group, such as a compound of structure (3). Suitably the compound of structure (3) is a Grignard reagent, where M is magnesium and Y is a halogen atom, or M may be a Group II metal and Y is a halogen atom or a second X-substituted phenyl group. When structure (3) is a Grignard reagent, the reaction is carried out either in a suitable non-ether solvent, typically a hydrocarbon or a non-reactive chlorinated hydrocarbon, or in a mixture of such a solvent with diethyl ether. Compounds of structure (2) are important intermediates in the preparation of inter alia paroxetine.Type: GrantFiled: January 15, 1998Date of Patent: January 9, 2001Assignee: SmithKline Beecham plcInventor: Neal Ward
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Patent number: 6020347Abstract: 4-Substituted-4-piperidinecarboxamides of Formula I are antagonists of VLA-4 and/or .alpha..sub.4 .beta..sub.7, and as such are useful in the inhibition or prevention of cell adhesion and cell-adhesion mediated pathologies. These compounds may be formulated into pharmaceutical compositions and are suitable for use in the treatment of asthma, allergies, inflammation, multiple sclerosis, and other inflammatory and autoimmune disorders.Type: GrantFiled: November 13, 1998Date of Patent: February 1, 2000Assignee: Merck & Co., Inc.Inventors: Stephen E. DeLaszlo, William K. Hagmann
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Patent number: 5789422Abstract: Compounds represented by the structural formula ##STR1## or a pharmaceutically acceptable salt thereof are disclosed, wherein: A.sup.1 is --CH.sub.2 R.sup.6, --OR.sup.6, --N(R.sup.6)(R.sup.7), --S(O).sub.e R.sup.13, --(C(R.sup.6)(R.sup.7)).sub.1-6 --OR.sup.6, --(C(R.sup.6)(R.sup.7).sub.1-6 --N(R.sup.6)(R.sup.7) or --(C(R.sup.6) (R.sup.7)).sub.1-6 --S(O).sub.e R.sup.13 and A.sup.2 is H, or A.sup.1 and A.sup.2 together are .dbd.O, .dbd.C(R.sup.6)(R.sup.7), .dbd.NOR.sup.6 or .dbd.S;Q is phenyl, naphthyl, --SR.sup.6, --N(R.sup.6)(R.sup.7), --OR.sup.6 or heteroaryl;T is H, aryl, heterocycloalkyl, heteroaryl, cycloalkyl or bridged cycloalkyl;b is 0, 1 or 2;b.sub.1 is 1 or 2;X is a bond, --C(O)--, --O--, --NR.sup.6 --, --S(O).sub.e --, --N(R.sup.6)C(O)--, --C(O)N(R.sup.6)--, --OC(O)NR.sup.6 --, --OC(.dbd.S)NR.sup.6 --, --N(R.sup.6)C(.dbd.S)O--, --C(.dbd.NOR.sup.6)--, --S(O).sub.2 N(R.sup.6)--, --N(R.sup.6)S(O).sub.2 --, --N(R.sup.6)C(O)O-- or --OC(O)--;R.sup.6, R.sup.7, R.sup.8a, and R.sup.Type: GrantFiled: October 28, 1996Date of Patent: August 4, 1998Assignee: Schering CorporationInventors: Gregory A. Reichard, Robert G. Aslanian
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Patent number: 5756748Abstract: The present invention discloses a new and improved process for the preparation of sameridine and its pharmaceutically acceptable salt.Type: GrantFiled: March 7, 1996Date of Patent: May 26, 1998Assignee: Astra ABInventors: Peter Jaksch, Rune Sandberg
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Patent number: 5620993Abstract: This invention relates to certain novel compounds and derivatives thereof, their synthesis, and their use as selective alpha-1a adrenergic receptor antagonists. One application of these compounds is in the treatment of benign prostatic hyperplasia. These compounds are selective in their ability to relax smooth muscle tissue enriched in the alpha 1a receptor subtype without at the same time inducing orthostatic hypotension. One such tissue is found surrounding the urethral fining. Therefore, one utility of the instant compounds is to provide acute relief to males suffering from benign prostatic hyperplasia, by permitting less hindered urine flow. Another utility of the instant compounds is provided by combination with a human 5-alpha reductase inhibitory compound, such that both acute and chronic relief from the effects of benign prostatic hyperplasia are achieved.Type: GrantFiled: June 7, 1995Date of Patent: April 15, 1997Assignee: Merck & Co., Inc.Inventors: Michael A. Patane, Mark G. Bock, Roger M. Friedinger
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Patent number: 5602151Abstract: The compounds of the formula: ##STR1## in which X is ##STR2## where R.sup.7 is hydrogen, alkyl, hydroxy, alkanoyloxy, hydroxyalkyl, hydroxycarbonyl, alkoxycarbonyl, phenyl or substituted phenyl, in which the substituent is alkyl, alkoxy, halo, nitro, cyano, haloalkyl, perhaloalkyl or dialkylaminoalkyl; R.sup.8 is hydrogen or alkyl or R.sup.7 and R.sup.8 taken together are polymethylene; R.sup.9 is hydrogen, alkyl, phenyl or substituted phenyl, in which the substituent is alkyl, alkoxy, halo, nitro, cyano or perhaloalkyl; R.sup.10 is hydrogen, alkyl or gemdialkyl; n is one of the integers 0, 1 or 2; and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are, independently, hydrogen, alkyl, alkoxy, halo, nitro, cyano or perhaloalkyl, alkoxycarbonyl or hydroxycarbonyl; and when X is --NR.sup.9 -- or R.sup.7 is an amino alkyl group, a pharmaceutically acceptable salt thereof; are useful as inhibitors of cholesterol ester hydrolase.Type: GrantFiled: December 15, 1995Date of Patent: February 11, 1997Assignee: American Home Products CorporationInventors: Richard E. Mewshaw, Thomas J. Commons, Donald P. Strike
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Patent number: 5545655Abstract: This invention relates to novel imidazole and triazole substituted oxathiolane compounds and compositions containing said compounds having fungicidal and plant growth regulant activity and methods for preparing same.Type: GrantFiled: November 23, 1994Date of Patent: August 13, 1996Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./LteeInventors: Barry T. Friedlander, Robert A. Davis, Allen R. Blem, David L. Walker
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Patent number: 5350852Abstract: The invention relates to a process for making compounds of formula: ##STR1##Type: GrantFiled: August 13, 1993Date of Patent: September 27, 1994Assignee: SanofiInventors: Xavier Emonds-Alt, Pierre Goulaouic, Vincenzo Proietto, Didier Van Broeck
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Patent number: 5268472Abstract: Nitrogen-containing heterocyclic (poly) peroxycarboxylic acid monopersulfates which have the formula: ##STR1## wherein the symbols have the following meanings: R represents a hydrogen atom or an alkyl, (hetero)cycloalkyl, (hetero)aryl, alkyl-aryl or arylalkyl group, wherein said groups are optionally substituted, or a carboxylic group or a peroxycarboxylic group, or any other substituents non-reactive in the presence of the peroxycarboxylic group;R.sup.1 represents an alkyl group > C.sub.5 ;n is a number selected from 0,1 and 2;m is a number selected from 1, 2 and 3;and the heterocyclic ring may be in its turn condensed with at least one further (hetero) aromatic or (hetero)cycloalkylic ring. The invention relates to a preparation process for, and to their use, as bleaching agents.Type: GrantFiled: October 5, 1992Date of Patent: December 7, 1993Assignee: Ausimont S.p.A.Inventors: Carlo Venturello, Claudio Cavallotti, Fiorella Achilli
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Patent number: 5236921Abstract: The invention relates to compounds of formula: ##STR1## in which Y represents--either a group Cy--N in whichCy represents a phenyl, optionally substituted; a C.sub.3 -C.sub.7 cycloalkyl group; a pyrimidinyl group or a pyridyl group;or a group ##STR2## in which Ar represents a phenyl, optionally substituted, a pyridyl group; a thienyl group;x is zero or one;X represents a hydroxyl, a C.sub.1 -C.sub.4 alkoxy; a hydroxyalkyl; a C.sub.1 -C.sub.4 acyloxy; a phenacyloxy; a carboxyl; a C.sub.1 -C.sub.4 carbalkoxy; a cyano; an aminoalkylene; a group --N--(X.sub.1).sub.2 in which the groups X.sub.1 independently represent hydrogen, a C.sub.1 -C.sub.4 alkyl; a group ##STR3## in which Alk represents a C.sub.1 -C.sub.6 alkyl; a group ##STR4## in which the Alk.sub.1 is a C.sub.1 -C.sub.3 alkylene and Alk'.sub.1 is a C.sub.1 -C.sub.3 alkyl; a C.sub.1 -C.sub.4 acyl; a group --S--X.sub.2 in which X.sub.2 represents hydrogen or a C.sub.1 -C.sub.Type: GrantFiled: September 5, 1991Date of Patent: August 17, 1993Assignee: SanofiInventors: Xavier Emonds-Ai, Pierre Goulaouic, Vincenzo Proietto, Didier Van Broeck
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Patent number: 4970022Abstract: Mustard oils of the formula IR--(A.sup.1 --Z.sup.1).sub.n --A.sup.2 --Z.sup.2 --A.sup.3 --NCSin which A.sup.1, A.sup.2, A.sup.3, R, Z.sup.1, Z.sup.2 and n have the meaning specified in claim 1 can be used as components of liquid-crystalline phases.Type: GrantFiled: August 19, 1987Date of Patent: November 13, 1990Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Bernhard Scheuble, Rudolf Eidenschink, Joachim Krause, Eike Poetsch, Andreas Wachtler
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Patent number: 4908452Abstract: A facile and mild process for the preparation of nitriles from reagent sensitive primary carboxamides is described. The process utilizes a (carboxysulfamoyl)ammonium hydroxide compound as the dehydrating agent. It is useful for preparing nitriles which have present other groups which are sensitive to the more conventional methods of dehydration or to other methods of nitrile synthesis. Some novel nitriles prepared by the new method are also described.Type: GrantFiled: December 21, 1987Date of Patent: March 13, 1990Assignee: Merck & Co., Inc.Inventor: David A. Claremon
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Patent number: 4537698Abstract: New piperidine derivatives ##STR1## in which R.sup.1 and R.sup.2 each independently is alkyl or alkoxy each of 1 to 10 C atoms, --Y--Z, F, Cl, Br or CN, and the radical R.sup.1 can also be H,Y is --CO--O--, --O--CO or a single bond,Z is --Q--R.sup.3 or alkyl having 1-10 C atoms,Q is 1,4-phenylene or 1,4-cyclohexylene,R.sup.3 is alkyl having 1-10 C atoms, F or CN, andA is 1,4-cyclohexylene or 1,3-dioxane-2,5-diyl, and their acid addition salts,can be used as components of dielectrics for electro-optical display elements.Type: GrantFiled: May 31, 1983Date of Patent: August 27, 1985Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Wolfgang Sucrow, Wolfgang Schatull, Peter Fuss
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Patent number: 4435572Abstract: This invention relates to a process for the production of 4a-aryldecahydroisoquinolines where the aryl group is selected as 3-methoxy phenyl. These compounds are morphine analogs and show utility similar to the known morphine, codeine, and thebaine. In this process particular novelty is asserted for the production of a nipecotic ester ethyl 4-(3'-methoxyphenyl)-1-methyl piperidine-3-carboxylate. Furthermore, novelty is asserted for the step of conversion of the nipecotates through cyclization to cis- or trans-tert-butyl 1,6-dioxo-4a-(3'-methoxyphenyl)-2-methyldecahydroisoquinoline-7-carboxylat e, which may also be easily converted to the keto amide, trans-1,6-dioxo-4a-(3'-methoxyphenyl)-2-methyldecahydroisoquinoline.Type: GrantFiled: March 16, 1981Date of Patent: March 6, 1984Assignee: The United States of America as represented by the Department of Health and Human ServicesInventors: Henry Rapoport, Dwight D. Weller, Richard D. Cless
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Patent number: 4369184Abstract: Novel 1-(cyclohexyl)-4-aryl-4-piperidinecarboxylic acid derivatives, bearing in the 4-position of the cyclohexyl ring a cyano group and an aryl moiety, said compounds displaying useful antihistaminic properties.Type: GrantFiled: September 29, 1980Date of Patent: January 18, 1983Assignee: Janssen Pharmaceutica N.V.Inventors: Raymond A. Stokbroekx, Marcel G. M. Luyckx, Joannes J. M. Willems
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Patent number: 4346224Abstract: This invention relates to the production of 4a-aryldecahydroisoquinolines where the aryl group is selected as 3-methoxy phenyl and intermediates. These compounds are morphine analogs and show utility similar to the known morphine, codeine, and thebaine.Type: GrantFiled: January 14, 1981Date of Patent: August 24, 1982Assignee: The United States of America as represented by the Department of Health and Human ServicesInventors: Henry Rapoport, Dwight D. Weller, Richard D. Gless
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Patent number: 4230878Abstract: This disclosure describes 4-[(unsaturated or cyclopropylated alkyl)amino]benzoic acids and derivatives useful as hypolipidemic and antiatherosclerotic agents.Type: GrantFiled: March 8, 1978Date of Patent: October 28, 1980Assignee: American Cyanamid CompanyInventor: Robert G. Shepherd
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Patent number: 4198417Abstract: Novel phenoxyphenylpiperidines and methods of preparing same are described. These compounds are useful as analgetics, antidepressants, anticonvulsants and intermediates for preparing other pharmaceutically active compounds.Type: GrantFiled: January 10, 1979Date of Patent: April 15, 1980Assignee: American Hoechst CorporationInventors: Helen H. Ong, James A. Profitt
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Patent number: 4198418Abstract: Novel spiro[dibenz(b,f)oxepin-piperidine]s and methods of preparing same are described. These compounds are useful as analgetics, tranquilizers and anticonvulsants.Type: GrantFiled: January 10, 1979Date of Patent: April 15, 1980Assignee: American Hoechst CorporationInventors: Helen H. Ong, James A. Profitt
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Patent number: 4198419Abstract: Novel phenylthiophenylpiperidines and methods of preparing same are described. These compounds are useful as analgetics, antidepressants, anticonvulsants and intermediates for preparing other pharmaceutically active compounds.Type: GrantFiled: January 10, 1979Date of Patent: April 15, 1980Assignee: American Hoechst CorporationInventors: Helen H. Ong, James A. Profitt
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Patent number: 4198420Abstract: Novel spiro[dibenz(b,f)thiepin-piperidine]s and methods of preparing same are described. These compounds are useful as analgetics, tranquilizers and anticonvulsants.Type: GrantFiled: January 10, 1979Date of Patent: April 15, 1980Assignee: American Hoechst CorporationInventors: Helen H. Ong, James A. Profitt
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Patent number: 4145426Abstract: Compounds of the structure: ##STR1## where A is either ##STR2## where R.sub.1 to R.sub.4 are various substituents are active as antibacterials and antifungals.Type: GrantFiled: July 18, 1977Date of Patent: March 20, 1979Assignee: Merck & Co., Inc.Inventors: Nathaniel Grier, Richard A. Dybas, Bruce E. Witzel