Two Of The Cyclos Share At Least Three Ring Members Or A Ring Carbon Is Shared By Three Of The Cyclos (e.g., Bridged, Peri-fused, Etc.) Patents (Class 540/581)
  • Publication number: 20080200451
    Abstract: Compounds of the formula (I), in which W, R, R1, R2, R3, R4, R5, R6 and R7 have the meanings indicated in claim 1, can be employed, inter alia, for the treatment of tumours.
    Type: Application
    Filed: June 2, 2006
    Publication date: August 21, 2008
    Inventors: Kai Schiemann, David Bruge, Hans-Peter Buchstaller, Ulrich Emde, Dirk Finsinger, Christiane Amendt, Frank Zenke
  • Patent number: 7365196
    Abstract: A class of compounds is disclosed, comprising sulphonamido-substituted bridged bicycloalkyl structures. The compounds are inhibitors of gamma-secretase, and hence are useful in the treatment of and/or prevention of Alzheimer's disease.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: April 29, 2008
    Assignees: Merck Sharp & Dohme Ltd., Merck Frosst Canada & Co.
    Inventors: Patrice Charles Belanger, Ian James Collins, Joanne Claire Hannam, Timothy Harrison, Stephen John Lewis, Andrew Madin, Edward Giles McIver, Alan John Nadin, Joseph George Neduvelil, Mark Steven Shearman, Adrian Leonard Smith, Timothy Jason Sparey, Graeme Irvine Stevenson, Martin Richard Teall
  • Patent number: 7285546
    Abstract: The present invention concerns a compound of formula (I) wherein: W represents O or NH, Q represents an unbranched or branched, saturated or unsaturated or aromatic, cyclic or acyclic or heterocyclic hydrocarbon radical containing 1 to 30 carbon atoms including or not heteroatom(s), R1 is H, OH, or R1, R2 form together —O—, R3?R4?OMe or R3 and R4 form together —OCH2O—, R is H, C1-C30alkyl or O-protecting group and R6 represents an unbranched or branched, saturated or unsaturated or aromatic, cyclic or acyclic or heterocyclic hydrocarboned radical containing 1 to 30 carbon atoms including or not heteroatom(s), or R and R6 form together —CMe2-, n is 0 to 8, R5 is H, OH, OMe, O—(C1-C30)-alkyl, O-aryl-(C1-C30)-alkyl, O—(C2-C30)-alkenyl, O—(C3-C30)-cycloalkyl or O-aryl, the dotted line is null or forms a double bond depending on the meaning of R1. It also concerns their methods of preparation and their use in treatment of cancers, leukemias, parasites and as reversal agents of harringtonines.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: October 23, 2007
    Assignee: Stragen Pharma S.A.
    Inventors: Jean-Pierre Robin, Robert Dhal, Freddy Drouye, Jean-Pierre Marie, Nina Radosevic, Julie Robin, Karine Souchaud, Patricia Bataille
  • Patent number: 7241887
    Abstract: The subject invention relates to 3-azabicyclo[3.2.1]octane derivatives, pharmaceutical compositions comprising such derivatives and methods of using such derivatives to treat disease states, disorders and conditions mediated by opioid receptors. The subject invention also particularly relates to using such derivatives to treat certain disorders and conditions, for example irritable bowel syndrome, drug addiction, depression, anxiety, schizophrenia and eating disorders, among others.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: July 10, 2007
    Assignee: Pfizer Inc
    Inventors: Jotham W. Coe, Stanton McHardy, Crystal G. Bashore
  • Patent number: 7169774
    Abstract: The present invention concerns a new general process for asymmetric hemisynthesis of harringtonines and their analogs, that are alkaloids used in chemotherapy. This process comprises direct esterification of a natural cephalotaxine with an acylating compound constituted of a side chain precursor which backbone and functionalization are entirely preformed. The invention also concerns a natural, synthetic or semi-synthetic harringtonines including their tautomeric forms and their salts of the following formula: wherein n=2 (i.e. harringtonine) or n=3 (i.e. homoharringtonine), in which the total content of impurities, possibly including enantiomeric forms, is lower than 1%, and/or the content of the major impurity is lower than 0.9%, and/or the chromatographic assay exhibits a harringtonines content higher than 97.5%.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: January 30, 2007
    Assignee: Stragen Pharma S.A.
    Inventors: Jean-Pierre Robin, Julie Blanchard, Ludovic Chauviat, Robert Dhal, Jean-Pierre Marie, Nina Radosevic
  • Patent number: 7166588
    Abstract: New compounds of general formula I
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: January 23, 2007
    Assignee: Sanochemia Pharmazeutika Aktiengesellschaft
    Inventors: Ulrich Jordis, Johannes Frohlich, Matthias Treu, Manfred Hirnschall, Laszlo Czollner, Beate Kälz, Stefan Welzig
  • Patent number: 6992078
    Abstract: The present invention provides plant extracts, isolated alkaloids, synthetic alkaloids and compositions having antitussive activity. In some preferred embodiments, the plant extracts and the isolated alkaloids are from a plant of a genus in the family Stemonaceae. In other preferred embodiments, the plant extracts and the isolated alkaloids are from a plant of the genus Stemona, Croomia, or Stichoneuron. In especially preferred embodiments, the plant extracts and the isolated alkaloids are from the plant Stemona tuberosa. The present invention further provides methods for isolating such plant extracts and alkaloids. In addition, the present invention provides methods for reducing or suppressing coughing by administering plant extracts, alkaloids and compositions having antitussive activity.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: January 31, 2006
    Assignee: The Chinese University of Hong Kong
    Inventors: Ge Lin, Hoi Sing Chung, Po Ming Hon, Hui Dong, Paul P. H. But
  • Patent number: 6887868
    Abstract: The present invention provides compounds of Formula (I): wherein: R1, R2, R3, R4, R5, R6 R7, R8, n, m, and X have any of the values defined in the specification, as well as pharmaceutical compositions comprising the compounds. The invention also provides therapeutic methods as well as processes and intermediates useful for preparing compounds of Formula (I). The compounds are 5-HT ligands and are useful for treating diseases wherein modulation of 5-HT activity is desired.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: May 3, 2005
    Assignee: Pharmacia & Upjohn Company
    Inventor: Jian-Min Fu
  • Patent number: 6797819
    Abstract: The present invention provides novel alkaloid compounds and collections of these compounds, and provides methods for the synthesis of these compounds using biomimetic synthetic strategies. Additionally, the present invention provides pharmaceutical compositions and methods for treating disorders such as bacterial infections, proliferative diseases, and reproductive disorders, to name a few.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: September 28, 2004
    Assignees: President and Fellows of Harvard College, CBR Institute for Biomedical Research, Inc.
    Inventors: Matthew Shair, Nicholas Westwood, Henry Efrem Pelish
  • Publication number: 20030225268
    Abstract: Compounds of formula I: 1
    Type: Application
    Filed: April 11, 2003
    Publication date: December 4, 2003
    Inventors: William H. Bunnelle, Daniela Barlocco Cristina, Jerome F. Daanen, Michael J. Dart, Michael D. Meyer, Keith B. Ryther, Michael R. Schrimpf, Kevin B. Sippy, Richard B. Toupence
  • Publication number: 20030207860
    Abstract: The present invention discloses compounds which, are novel receptor antagonists for NPY Y5 as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such NPY Y5 receptor antagonists as well as methods of using them to treat obesity, metabolic disorders, eating disorders such as hyperphagia, and diabetes.
    Type: Application
    Filed: July 24, 2002
    Publication date: November 6, 2003
    Applicant: Schering Corporation
    Inventors: Andrew W. Stamford, Ying Huang, Guoqing Li
  • Patent number: 6617452
    Abstract: The subject matter of the present invention concerns a process for the isolation of the alkaloid galanthamine; the galanthamine itself which has been produced according to this process; the use of the galanthamine thus produced in galenic preparations; and the galanthamine thus produced for treating narrow-angle glaucoma, Alzheimer's disease, as well as alcohol and nicotine dependence.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: September 9, 2003
    Assignee: LTS Lohmann Therapie-Systeme AG
    Inventors: Thomas Hille, Hans-Rainer Hoffmann, Mirko Kreh, Rudolf Matusch
  • Patent number: 6579869
    Abstract: The present invention concerns a compound of formula (I) wherein: W represents O or NH, Q represents an unbranched or branched, saturated or unsaturated or aromatic, cyclic or acyclic or heterocyclic hydrocarbon radical containing 1 to 30 carbon atoms including or not heteroatom(s), R1 is H, OH, or OMe, O-(C1-C30)-alkyl, O-aryl-(C1-C30)-alkyl, O-(C2-C30)-alkenyl, O-(C3-C30)-cycloalkyl or null, and R2 is H or OH, or R1 and R2 form together —O—, R3=R4=OMe or R3 and R4 form together —OCH2O—, R is H, C1-C30 alkyl or O-protecting group and R6 represents an unbranched or branched, saturated or unsaturated or aromatic, cyclic or acyclic or heterocyclic hydrocarbon radical containing 1 to 30 carbon atoms including or not heteroatom(s), or R and R6 form together —CMe2—, n is 0 to 8, R5 is H, OH, OMe, O-(C1-C30)-alkyl, O-aryl-(C1-C30)-alkyl, O-(C2-C30)-alkenyl, O-(C3-C30)-cycloalkyl or O-aryl, the dotted line is null or forms a double bond dep
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: June 17, 2003
    Assignee: Oncopharm Corporation
    Inventors: Jean-Pierre Robin, Robert Dhal, Freddy Drouye, Jean-Pierre Marie, Nina Radosevic, Julie Robin, Karine Souchaud, Patricia Bataille
  • Patent number: 6573376
    Abstract: The subject matter of the present invention concerns a process for the isolation of the alkaloid galanthamine; the galanthamine itself which has been produced according to this process; the use of the galanthamine thus produced in galenic preparations; and the galanthamine thus produced for treating narrow-angle glaucoma, Alzheimer's disease, as well as alcohol and nicotine dependence.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: June 3, 2003
    Assignee: LTS Lohmann Therapie-Systeme AG
    Inventors: Thomas Hille, Hans-Rainer Hoffmann, Mirko Kreh, Rudolf Matusch
  • Publication number: 20030055043
    Abstract: The invention provides compounds of Formula I: 1
    Type: Application
    Filed: April 17, 2002
    Publication date: March 20, 2003
    Inventors: Eric Jon Jacobsen, Daniel Patrick Walker, Jason K. Myers, David W. Piotrowski, Vincent E. Groppi
  • Patent number: 6468998
    Abstract: The present invention provides a pyrrolidine compound of the formula (I) wherein each symbol is as defined in the specification, an optically active compound thereof and a pharmaceutically acceptable salt thereof. The present invention further provides a pharmaceutical composition containing a compound of the formula (I), an optically active compound thereof, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable additive. The compound of the present invention has a serotonin 2 receptor antagonistic action along with a platelet aggregation suppressive action, a peripheral circulation improving action and a lacrimation promoting action. Therefore, the compound of the present invention can be a useful medicine showing effect against thrombotic embolism, dry eye and the like.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: October 22, 2002
    Assignee: Mitsubishi Pharma Corporation
    Inventors: Takanobu Kuroita, Masakazu Fujio, Haruto Nakagawa
  • Patent number: 6423842
    Abstract: The present invention provides novel compounds and pharmaceutical compositions thereof useful in the treatment of pain. The compounds of the present invention are azaadamantanes, azanoradamantanes and azahomoadamantanes.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: July 23, 2002
    Assignee: UCB, S.A.
    Inventors: Gurmit Grewal, Anna Toy-Palmer, Xiong Cai, George Mark Latham
  • Patent number: 6417365
    Abstract: In a process for recovering medicinal substances or active substances from preparations, their initial products or waste, a flat-shaped starting material in the form of a film with adhesive and an active substance-containing material is provided with one edge length of from 0.1 to 5 cm and a second edge length of 50 cm. A starting material having an active substance is placed in an aqueous extraction liquor. The extraction liquor then takes effect until the active substance is dissolved in the aqueous extraction liquor forming an active substance-containing solution. The active substance is isolated from the active substance-containing solution be means of precipitation.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: July 9, 2002
    Assignee: LTS Lohmann Therapie-Systeme AG
    Inventors: Hans-Werner Wolf, Thomas Hille
  • Patent number: 6407229
    Abstract: The invention relates to processes for the preparation of 4a,5,9,10,11,12-hexahydro-6H-benzofuro(3a,3,2-ef)(2)benzazepine, or derivatives thereof. Furthermore, the invention also relates to the compounds formed during the preparation of 4a,5,9,10,11,12-hexahydro-6H-benzofuro(3a,3,2-ef)(2)benzazepine.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: June 18, 2002
    Assignee: Sanochemia Pharmazeutika AG
    Inventors: Laszlo Czollner, Johannes Fröhlich, Ulrich Jordis, Bernhard Küenburg
  • Patent number: 6392038
    Abstract: A process for the preparation of substantially single enantiomer (−)-narwedine comprises seeding a solution of racemic narwedine dissolved in a solvent with substantially single enantiomer (−)-narwedine, provided that if an added amine base is present the ratic solvent:added amine base is greater than 15:1.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: May 21, 2002
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Gerard Andrew Potter, Peter David Tiffin
  • Patent number: 6387512
    Abstract: A photochromic grey coloring 2H-naphtho[1,2-b]pyran of formula (1) wherein R1 is selected from mono-, di- or poly-substituted aryl groups, mono-, di- or poly-substituted naphthyl groups and mono-, di- or poly-substituted heteroaryl groups, wherein at least one substituent is a nitrogen containing group, including amino, C1-C20 and C6-C20 alkylamino, C1-C20 and C6-C20 dialkylamino, C2-C20 dialkenylamino, C2-C20 or C4-C20 di(polyalkenyl)amino, arylamino, diarylamino, C1-C20 alkylarylamino, tetra (C1-C10 linear or branched alkyl) guanidino and cyclic-amino groups and at least one of R7 and R9, which may be the same or different, is selected from C1-C20 N alkylamino C1-C20 N-alkylamido, C1-C20 N,N-dialkylamido, amido, nitro, amino, C1-C20 alkylamino, C1-C20 dialkylamino, C2-C20 dialkenylamino, C4-C20 di(polyalkenyl)amino, arylamino, diarylamino, C1-C20 alkylarylamino, or cyclicamino groups.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: May 14, 2002
    Assignee: James Robinson Limited
    Inventors: David Allan Clarke, Bernard Mark Heron, Christopher David Gabbutt, John David Hepworth, Steven Michael Partington, Stephen Nigel Corns
  • Publication number: 20020045617
    Abstract: The present invention provides novel compounds and pharmaceutical compositions thereof useful in the treatment of pain. The compounds of the present invention are azaadamantanes, azanoradamantanes and azahomoadamantanes.
    Type: Application
    Filed: October 5, 2001
    Publication date: April 18, 2002
    Inventors: Gurmit Grewal, Anna Toy-Palmer, Xiong Cai, George Mark Latham
  • Patent number: 6346618
    Abstract: A process for the asymmetric transformation of a racemic compound of formula (I) wherein R1 is H or a alkyl group having up to 20 carbon atoms, R2 is H, or an alkyl, aryl, alkaryl or aralkyl group having up to 20 carbon atoms, and X is H, a halogen atom, tert-butyl, or any other removable substituent, comprises reaction of racemic compound (I) with an enantiomerically-enriched acid HY*, wherein Y* is a chiral group, to form a diastereomeric salt of compound (I) having Y* as a counterion. The salt obtained can then be reduced to give enantiomerically-enriched galanthamine, or a derivative thereof.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: February 12, 2002
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: David Andrew Chaplin, Nicholas Bernard Johnson, Gerard Andrew Potter, Jane Marie Paul
  • Publication number: 20020013309
    Abstract: The present invention relates to diazabicyclic compounds, preferably to N-aryl diazabicyclic compounds. Of particular interest are 2-pyridyl diazabicyclic compounds, such as (1S,4S)-2-(5-(3-methoxyphenoxy)-3-pyridyl)-2,5-diazabicyclo[2.2.1]heptane. Other exemplary compounds of the present invention include: (1S,4S)-2-(5-(4-methoxyphenoxy)-3-pyridyl)-2,5-diazabicyclo[2.2.1 ]heptane, (1S,4S)-2-(5-(3,4-dimethoxyphenoxy)-3-pyridyl)-2,5-diazabicyclo[2.2.1]heptane, (1S,4S)-2-(5-(4-fluorophenoxy)-3-pyridyl)-2,5-diazabicyclo[2.2.1 ]heptane, and (1S,4S)-2-(5-benzoyl-3-pyridyl)-2,5-diazabicyclo[2.2.1]heptane. The present invention also relates to prodrug derivatives of the compounds of the present invention.
    Type: Application
    Filed: May 24, 2001
    Publication date: January 31, 2002
    Inventors: Craig Harrison Miller, Gary Maurice Dull, Lan Miao, Dwo Lynm, Jeffrey Daniel Schmitt, Thomas Jeffrey Clark
  • Patent number: 6323195
    Abstract: This application relates to compounds of the formula wherein R1 is hydrogen, (C1-C12alkylcarbonyl, (C1-C12)alkoxycarbonyl, mono(C1-C12)alkylaminocarbonyl, or di(C1-C12)alkylaminocarbonyl; R2 is hydrogen, (C3-C12)alkenylcarbonyloxy, (C3-C12)cycloalkylcarbonyloxy, (C3-C12)cycloalkyl(C1-C12)alkylcarbonyloxy, oxygen containing heterocycloxy, oxygen containing heterocyclylcarbonyloxy, sulfur containing heterocyclyloxy, sulfur containing heterocyclylcarbonyloxy, nitrogen containing hetercyclyloxy, nitrogen containing heterocyclylcarbonyloxy, haloalkylsulfonyloxy, (C1-C6)alkylsilyloxy; R3 is hydrogen, halo or (C1-C4)alkyl; R4 is hydrogen or (C1-C6)alkyl; with the proviso that R1 and R2 are not both hydrogen when R3 and R4 are hydrogen; all geometric, and optical stereoisomers thereof, or a pharmaceutically acceptable addition salt thereof; which compounds are useful for the treatment of memory dysfunction characterized by decreased cholinergic function, pharmaceutical compositions containing t
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: November 27, 2001
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Raymond W. Kosley, Jr., Larry Davis, Veronica Taberna
  • Patent number: 6323196
    Abstract: This application relates to compounds of the formula wherein R1 is hydrogen, (C1-C12)alkylcarbonyl, (C1-C12)alkoxycarbonyl, mono(C1-C12)alkylaminocarbonyl, or di(C1-C12)alkylaminocarbonyl; R2 is mono(C1-C18)alkylaminocarbonyloxy, di(C1-C8)alkylaminocarbonyloxy, or aryl(C1-C4)alkylaminocarbonyloxy; R3 is hydrogen or halo; or a pharmaceutically acceptable acid addition salt thereof, which compounds are useful for the treatment of memory dysfunction characterized by decreased cholinergic function, pharmaceutical compositions containing the compounds and methods for making and using the compounds.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: November 27, 2001
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Raymond W. Kosley, Jr., Larry Davis, Veronica Taberna
  • Patent number: 6323194
    Abstract: The present invention provides novel compounds and pharmaceutical compositions thereof useful in the treatment of pain. The compounds of the present invention are azaadamantanes, azanoradamantanes and azahomoadamantanes.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: November 27, 2001
    Assignee: UCB, S.A.
    Inventors: Gurmit Grewal, Anna Toy-Palmer, Xiong Cai, George Mark Latham
  • Patent number: 6319919
    Abstract: Compounds of the formula wherein the broken line represents an optionally present double bond, and R1-R3, R4, R6 and R9 are as defined herein, and compositions containing these compounds can be used to inhibit acetylcholinesterase activity and treat Alzheimer's Disease.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 20, 2001
    Inventors: Bonnie Davis, Madeleine M. Joullie
  • Patent number: 6316439
    Abstract: This application relates to compounds of the formula wherein R1 is hydrogen, (C1-C12)alkylcarbonyl, (C1-C12)alkoxycarbonyl, aryl(C1-C12)alkylaminocarbonyl, mono(C1-C18)alkylaminocarbonyl or di(C1-C8)alkylaminocarbonyl; R2 is (C1-C12)alkylcarbonyloxy, aryl(C1-C4)alkylcarbonyloxy, (C1-C12)alkoxycarbonyloxy, arylcarbonyloxy, hydroxy, (C1-C6)alkoxycarbonyl(C1-C6)alkoxy or hydroxy(C1-C10)alkoxy; R3 is hydrogen or halo; and pharmaceutically acceptable addition salts; with the proviso that when R2 is hydroxy, R1 and R3 are not both hydrogen or when R2 is hydroxy and R3 is hydrogen, R1 is not methylcarbonyl; which compounds are useful for the treatment of memory dysfunction characterized by decreased cholinergic function, pharmaceutical compositions containing the compounds and methods for making and using the compounds.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: November 13, 2001
    Assignee: Aventis Pharamaceuticals Inc.
    Inventors: Raymond W. Kosley, Jr., Larry Davis, Veronica Taberna
  • Patent number: 6184004
    Abstract: The subject invention pertains to a process for preparing a compound having a formula (4) or (5), in either optically-enriched or racemic form, wherein R1, R2, R3 and R4 are independently selected from hydrogen, alkyl, aryl, alkaryl, aralkyl and acyl groups. In one embodiment, the process of the invention comprises mixing with a plant extract obtained from crushed daffodil bulbs or crushed snowdrop bulbs an oxidative cyclisation precursor of the compound.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: February 6, 2001
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Robin Mark Bannister, Raymond McCague
  • Patent number: 6150354
    Abstract: A method of treating Alzheimer's disease and related dementias by treatment with analogs of galanthamine, particularly those wherein the methoxy and hydroxy substituents are replaced by, for example carbamate groups, the methoxy is replaced by hydroxy and esters of galanthamine and O-desmethyl galanthamine. Many of the useful compounds are novel.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: November 21, 2000
    Assignee: Bonnie Davis
    Inventors: Bonnie Davis, Madeleine M. Joullie
  • Patent number: 6136968
    Abstract: Described are novel reversible photochromic compounds of the homoazaadamantane spirooxazine family. Certain substituents are present on the nitrogen atom of the homoazaadamantane portion of the compound and on the benzene ring fused to the oxazine portion of the compound. These compounds may be represented by the following formula: Also described are compositions, e.g., solvent based mediums and polymerized organic materials, used to produce ophthalmic components, that contain the homoazaadamantane compounds with or without other photochromic compounds.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: October 24, 2000
    Assignee: Transitions Optical Inc.
    Inventors: Karine Chamontin, Vladimir Lokshin, Andre Samat, Robert Guglielmetti
  • Patent number: 6093815
    Abstract: A process for preparing a compound having formula (11), comprises oxidative cyclization of a tertiary amine having formula (12), wherein X.sup.1 is a removable functionality, X.sup.2 is hydrogen or a group as defined above for X.sup.1, and R.sup.1 is selected from hydrogen and alkyl, aryl, alkaryl and aralkyl groups having up to 20 carbon atoms, and R.sup.2 and R.sup.3 are independently selected from hydrogen and alkyl, aryl, alkaryl, aralkyl and acyl groups having up to 20 carbon atoms. Novel compounds are both used and produced by that process.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: July 25, 2000
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: David Andrew Chaplin, Neil Fraser, Peter David Tiffin
  • Patent number: 6087495
    Abstract: The subject invention concerns a process for the preparation of enantiomerically-enriched galanthamine from racemic galanthamine, and a process for increasing the enantiomeric excess of enantiomerically-enriched galanthamine, by direct crystallization of galanthamine salts.
    Type: Grant
    Filed: July 2, 1998
    Date of Patent: July 11, 2000
    Assignee: Janssen Pharmaceutica, N.V.
    Inventor: Peter David Tiffin
  • Patent number: 6043359
    Abstract: The invention relates to processes for the preparation of 4a,5,9,10,11,12-hexahydro-6H-benzofuro(3a,3,2-ef)(2)benzazepine, or derivatives thereof. Furthermore, the invention also relates to the compounds formed during the preparation of 4a,5,9,10,11,12-hexahydro-6H-benzofuro(3a,3,2-ef)(2)benzazepine.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: March 28, 2000
    Assignee: Sanochemia Pharmazeutica Aktiengesellschaft
    Inventors: Laszlo Czollner, Johannes Frohlich, Ulrich Jordis, Bernhard Kuenburg
  • Patent number: 6017910
    Abstract: The invention relates to 5-(iminomethano)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene and derivatives thereof. The invention also relates to the use of such compounds for the treatment or prevention of neuronal loss in ischemia, hypoxia, brain or spinal chord trauma, as well as for the treatment of Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease and Down's syndrome.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: January 25, 2000
    Assignee: State of Oregon, acting by and through the Oregon State Board of Higher Education acting for and on behalf of the Oregon Health Sciences University and the University of Oregon
    Inventors: Eckard Weber, John F. W. Keana, Peter Barmettler
  • Patent number: 5990104
    Abstract: Polycyclic alkaloids of formula (I), wherein R.sub.1 is H, C.sub.1-6 alkyl, or C.sub.6-12 aryl optionally substituted with polar groups; R.sub.2 and R.sub.3 are independently H, OH, C.sub.1-6 alkyl, --C(NH)--NH.sub.2, a positively charged group, or C.sub.7-13 aralkyl optionally substituted with NH.sub.2, OH, C.sub.1-6 alkyl, or halogen; or R.sub.2 and R.sub.3 together form a 5 to 6 member ring optionally incorporating a heteroatom; R.sub.4 is H, C.sub.1-6 alkyl, OR.sub.6, SR.sub.6, or N(R.sub.6).sub.2, wherein each R.sub.6 is independently H, C.sub.1-3 alkyl; X ix O, S, SO, SO.sub.2, or N--R.sub.5, wherein each R.sub.5 is independently H, C.sub.1-6 alkyl, or C.sub.7-13 aralkyl optionally interrupted with one or more heteroatom; n is an integer from 0 to 2; and m is an integer from 0 to 3. These compounds act as antagonists at the ionotropic NMDA (N-methyl-(D)-aspartic acid) receptor.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: November 23, 1999
    Assignee: Biochem Pharma, Inc.
    Inventors: John Dimaio, Dilip M. Dixit
  • Patent number: 5958903
    Abstract: Novel galanthamine derivatives of general fonnulae (Ia) and (Ib), a method for preparing same, pharmaceutical compositions containing said derivatives, and their use, in particular as cholinesterase inhibitors, are disclosed.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: September 28, 1999
    Assignee: Societe de Conseils de Recherches et D'Applications Scientifiques (S.C.R.A.S.)
    Inventors: Dolor Renko, Pierre Potier, Yves Christen, Claude Thal, Catherine Guillou, Aude Mary
  • Patent number: 5912343
    Abstract: A compound comprising at least one cyclic amine, having an organolithium side-chain, defined according to formula (I) ##STR1## wherein Z is a lithium atom (Li); R.sub.1 is selected from the group consisting of organic groups containing from 1 to about 12 carbon atoms and a bridging bond; each R.sub.2 is independently selected from the group consisting of hydrogen, organic groups containing from 1 to about 12 carbon atoms, and a bridging bond; each R.sub.3 is independently selected from the group consisting of hydrogen and organic groups containing from 1 to about 12 carbon atoms; a is an integer from 4 to about 16; and b is an integer from 0 to about 12; and optionally including a bridge, formed by the selection of two of said bridging bonds, the bridge having 0 to about 6 carbon atoms between the bridging ring members.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: June 15, 1999
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, William L. Hergenrother, Michael L. Kerns
  • Patent number: 5869652
    Abstract: In a process for reprocessing devices for the transdermal application of active substances or their process waste, active substance-containing components are brought into solution and the active substances are recovered therefrom.
    Type: Grant
    Filed: January 2, 1998
    Date of Patent: February 9, 1999
    Assignee: LTS Lohmann Therapie-Systeme GmbH
    Inventors: Bodo Asmussen, Hans-Rainer Hoffmann, Walter Muller
  • Patent number: 5688789
    Abstract: The invention relates to 5-(iminomethano)-10,11-dihydro-5H-dibenzo?a,d!cycloheptene and derivatives thereof. The invention also relates to the use of such compounds for the treatment or prevention of neuronal loss in ischemia, hypoxia, brain or spinal chord trauma, as well as for the treatment of Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease and Down's syndrome.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: November 18, 1997
    Assignee: State of Oregon, acting by and through the Oregon State Board of Higher Education, acting for and on behalf of the Oregon Health Sciences University and the University of Oregon
    Inventors: Eckard Weber, John F. W. Keana, Peter Barmettler
  • Patent number: 5599810
    Abstract: Alpha-adrenergic receptor antagonsists having the formula (I) as set forth below which are useful to produce alpha-adrenergic antagonism, pharmaceutical compositions thereof, and methods of treatment therewith are disclosed: ##STR1## The variables X, R, Y, Het and A are as defined in the specification.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: February 4, 1997
    Assignee: SmithKline Beecham Corporation
    Inventors: William E. Bondinell, Robert M. Demarinis, Thomas W. Ku, Francis R. Pfeiffer, Dinubhai H. Shah, Joseph W. Venslavsky
  • Patent number: 5534633
    Abstract: Aminoketone-substituted coumarin sensitizers having tethered tertiary amino groups are described which have extremely good photosensitivity. The sensitizers of the instant invention have the formula: ##STR1## wherein R.sub.1 and R.sub.2 each represent an alkyl group having 1 to 6 carbon atoms, and R.sub.3 and R.sub.4 each represent hydrogen; or at least one of R.sub.1 and R.sub.3 or R.sub.2 and R.sub.4 together represent an alkylene group having 2 to 4 carbon atoms,R.sub.5 represents an alkyl group having 1 to 6 carbon atoms or H,R.sub.6 represents an alkylene group having 1 to 6 carbon atoms, andR.sub.7 and R.sub.8 each independently represent an alkyl group having 1 to 6 carbon atoms, both of R.sub.7 and R.sub.8 taken together represent an alkylene group having 4 to 6 carbon atoms, or R.sub.5 or R.sub.6 taken together with R.sub.7 or R.sub.8 represent a five, six, or seven membered heterocyclic ring group.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: July 9, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: M. Zaki Ali
  • Patent number: 5508401
    Abstract: This invention involves novel neuroprotectant agents of the formula: ##STR1## in which R.sup.1 and R.sup.3 are, independently, hydrogen, cyano, nitro, halo or perhaloalkyl, with the proviso that one of R.sup.1 and R.sup.3 is other than hydrogen; R.sub.2 is alkyl; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: April 16, 1996
    Assignee: American Home Products Corporation
    Inventors: Wayne E. Childers, Jr., Magid A. Abou-Gharbia, Edward J. Podlesny
  • Patent number: 5488046
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, and as prostaglandin-E.sub.2 antagonists for the treatment of prostaglandin-E.sub.2 mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal, and a method for treating prostaglandin-E.sub.2 mediated diseases in an animal, comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: January 30, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Robert A. Chrusciel, Timothy J. Hagen, E. Ann Hallinan, Jinglin Li, Sofya Tsymbalov, David B. Reitz
  • Patent number: 5428159
    Abstract: (-)-Galanthamine is obtained in substantially high yield and purity substantially without concomitant production of epigalanthamine by conversion of racemic narwedine to (-)-narwedine and subsequent reduction to (-)-galanthamine using bulky organo-aluminum or organo-boron reducing agents.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: June 27, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Wen-Chung Shieh, John A. Carlson
  • Patent number: 5399562
    Abstract: This invention relates to compounds of the formula: ##STR1## which are useful as 5-HT.sub.4 agonists or antagonists and 5-HT.sub.3 antagonists.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: March 21, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Daniel P. Becker, Daniel L. Flynn, Clara I. Villamil
  • Patent number: 5374722
    Abstract: The compound ##STR1## is useful as an agent in the treatment of psychoses and drug dependence and for providing an analgesic effect.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: December 20, 1994
    Assignee: Schering Corporation
    Inventors: Joel G. Berger, Wei K. Chang, John W. Clader
  • Patent number: 5334591
    Abstract: Conformationally constrained tricyclic thienothiopyran compounds are topically effective carbonic anhydrase inhibitors useful in the treatment of ocular hypertension and glaucoma associated therewith.
    Type: Grant
    Filed: March 4, 1993
    Date of Patent: August 2, 1994
    Assignee: Merck & Co., Inc.
    Inventors: John J. Baldwin, Kenneth L. Shepard, Gerald S. Ponticello, Theresa M. Williams
  • Patent number: RE35218
    Abstract: An azatetracycle compound useful as 5HT.sub.3 antagonists of the general formula ##STR1## wherein D is a tetracycle of the structure ##STR2## wherein Ar is an aromatic moiety and B is either NH or O.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: April 23, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Daniel P. Becker, Daniel L. Flynn, Roger Nosal, Dale P. Spangler, Daniel L. Zabrowski