Quinuclidines (including Unsaturated) Patents (Class 546/133)
  • Patent number: 6008357
    Abstract: A process for resolving 1-azabicyclo[2.2.2]octan-3-amine, (2-diphenylmethyl)-N-[[2-methoxy-5-(1-methylethyl)phenyl]methyl] in which 1-azabicyclo[2.2.2]octan-3-amine, (2-diphenylmethyl)-N-[[2-methoxy-5-(1-methylethyl)phenyl]methyl] is reacted with 1R-(-)-10-camphorsulfonic acid in a solvent capable of dissolving both the foregoing reactants and selectively dissolving the camphorsulfonic acid salt of the corresponding (2R, 3R) enantiomer relative to the (2S, 3S) enantiomer.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: December 28, 1999
    Assignee: Pfizer Inc
    Inventors: Derek L. Tickner, Morgan Meltz
  • Patent number: 5998404
    Abstract: The present invention relates to therapeutically active azacyclic or azabicyclic compounds of formula I ##STR1## and to pharmaceutical formulations comprising these compounds and methods of treatment comprising administering these compounds to a subject in need of treatment. The novel oxadiazole compounds, such as (.+-.)-3-butyloxy-4-(1-azabicyclo[2.2.2]octyl-3-oxy)-1,2,5-oxadiazole, are useful in treating central nervous system disorders caused by malfunctioning of the muscarinic cholinergic system.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: December 7, 1999
    Assignee: Eli Lilly and Company
    Inventors: Leander Merritt, John S. Ward
  • Patent number: 5990124
    Abstract: Alkoxy and/or acyloxy disubstituted and polysubstituted aralkyl and aralkenyl bis-quaternary ammonium derivatives of cyclic alkanol diesters have neuromuscular relaxant properties.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: November 23, 1999
    Inventors: Laszlo Gyermek, Chingmuh Lee, Young-Moon Cho
  • Patent number: 5981525
    Abstract: A compound of formula (I) or a salt thereof, or a solvate thereof, wherein either (i) Ra represents a group R.sub.5 which is hydrogen, alkyl or optionally substituted aryl and R.sub.5 represents a moiety of formula (a); wherein X represents a hydroxy or an alkoxy group wherein the alkyl group may be substituted or unsubstituted or X represents a group NR.sub.s R.sub.t wherein R.sub.s and R.sub.t each independently represent hydrogen, alkyl, substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted arylalkyl, an optionally substituted heterocyclic group or an optionally substituted heterocyclylalkyl group, or R.sub.s and R.sub.t together may form a heterocyclic group; R.sub.1 represents an alkyl or a substituted or unsubstituted aryl group; and R.sub.2, R.sub.3 and R.sub.4 each independently represent hydrogen, alkyl, aryl or substituted aryl or (ii) R.sub.a represents a moiety of the above defined formula (a) and R.sub.b represents the above defined R.sub.5 ; R.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: November 9, 1999
    Assignee: SmithKline Beecham Corporation
    Inventors: Carlo Farina, Stefania Gagliardi, Carlo Parini, Mario Pinza, Guy Marguerite Marie Gerard Nadler, Marcel Jean-Marie Morvan
  • Patent number: 5981545
    Abstract: A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## in which one of X and Y represents hydrogen and the other represents Z, where Z is a group ##STR2## in which Q represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises zero, one or two nitrogen atoms, Q being optionally C-substituted by a group R.sub.1 selected from halogen, CN, OR.sub.2, SR.sub.2, N(R.sub.2).sub.2, NHCOR.sub.2, NHCOOCH.sub.3, NHCOOC.sub.2 H.sub.5, NHOR.sub.2, N.sub.3, NHNH.sub.2, NO.sub.2, COR.sub.2, COR.sub.3, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, cyclopropyl or C.sub.1-2 alkyl optionally substituted with OR.sub.2, N(R.sub.2).sub.2, SR.sub.2, CO.sub.2 R.sub.2, CON(R.sub.2).sub.2 or one, two or three halogen atoms, in which each R.sub.2 is independently hydrogen or C.sub.1-2 alkyl and R.sub.3 is OR.sub.2, NH.sub.2 or NHR.sub.2 ; r represents an integer of 2 or 3, s represents an integer of 1 or 2 and t represents 0 or 1; R.sub.a and R.sub.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: November 9, 1999
    Assignee: Beecham Group p.l.c.
    Inventors: Sarah Margaret Jenkins, Harry John Wadsworth, Barry Sidney Orlek, Steven Mark Bromidge
  • Patent number: 5977129
    Abstract: The present invention relates to compounds of formula I: whereinone or both G is an azacyclic ring of formula II: ##STR1## and Z is oxygen or sulfur and the remaining variables are as defined in the specification. The compounds are useful as stimulants of the cognitive function of the forebrain and hippocampus of mammals and especially in the treatment of Alzheimer's disease, severe painful conditions and glaucoma.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: November 2, 1999
    Assignee: Novo Nordisk A/S
    Inventors: Preben H. Olesen, Per Sauerberg
  • Patent number: 5977380
    Abstract: A process for synthesizing N-[1-(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanine derivatives of the following formula (I): ##STR1## in which the definition of R has the same meaning as given in the description by using a sulfite derivative to activate the C-terminus of the three dimensional structure of an amino acid of N-[1-(S)-ethoxycarbonyl-3- phenylpropyl]-L-alanine, which can effectively couple with another amino acid to form a dipeptide of formula (I). The compound of fomula (I) is an inhibitor of ACE.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: November 2, 1999
    Assignee: Everlight USA, Inc.
    Inventors: Suh-Wan Yang, Yu-An Chang, Yu-Liang Liu
  • Patent number: 5939434
    Abstract: This invention provides a compound of the formula: ##STR1## and its pharmaceutically acceptable salts, wherein R.sup.1 is halo, C.sub.1 -C.sub.6 alkyl, halo C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy or halo C.sub.1 -C.sub.6 alkoxy; R.sup.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, halo C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkyl-S-, C.sub.1 -C.sub.6 alkyl-SO--, C.sub.1 -C.sub.6 alkyl-SO.sub.2 --, cyclopropyl, phenyl, --NH.sub.2, --NH(CH.sub.3), --NHC(.dbd.O)CH.sub.3, --N(CH.sub.3).sub.2, --N(C.sub.2 H.sub.5).sub.2 or --CH.sub.2 C(.dbd.O)CF.sub.3 ; Ar.sup.1 and Ar.sup.2 are independently phenyl, halophenyl or thienyl; X is NH, O or S; and Y is hydrogen, --COOR.sup.3 or --CONR.sup.4 R.sup.5, wherein R.sup.3, R.sup.4 and R.sup.5 are independently hydrogen or C.sub.1 -C.sub.6 alkyl.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: August 17, 1999
    Inventor: Kunio Satake
  • Patent number: 5939433
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is methoxy and R.sup.2 is selected from the group consisting of methyl, ethyl, isopropyl, sec-butyl and tert-butyl; and the pharmaceutically acceptable salts of such compounds.These compounds are substance P antagonists and useful in the treatment of gastrointestinal disorders, inflammatory disorders, central nervous system disorders and pain.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: August 17, 1999
    Assignee: Pfizer Inc
    Inventors: Fumitaka Ito, Hiroshi Kondo, Masami Nakane, Kaoru Shimada, John Adams Lowe, III, Terry Jay Rosen
  • Patent number: 5936088
    Abstract: The present invention relates to therapeutically active azacyclic and azabicyclic compounds, to methods for their preparation and to pharmaceutical compositions comprising the compounds. These compounds are useful in treating diseases in the central nervous system related to malfunctioning of the nicotinic cholinergic system.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: August 10, 1999
    Assignee: Novo Nordisk A/S
    Inventor: Preben Houlberg Olesen
  • Patent number: 5925661
    Abstract: The invention relates to compounds of the formula: ##STR1## Compounds of the above formula have a great affinity for the neurotensin receptors.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: July 20, 1999
    Assignee: SANOFI
    Inventors: Bernard Labeeuw, Danielle Gully, Francis Jeanjean, Jean-Charles Molimard, Robert Boigegrain
  • Patent number: 5919793
    Abstract: Compounds of formula (I) wherein R.sup.1 is hydrogen or hydroxy; R.sup.2 is hydrogen; or R.sup.1 and R.sup.2 are joined together so that CR.sup.1 14 CR.sup.2 is a double bond; X is selected from --Ch.sub.2 CH.sub.2 --, --C.dbd.CH--, --C.tbd.C--, --CH.sub.2 O--, --OCH.sub.2, CH.sub.2 NH--, --NHCH.sub.2 --, --CH.sub.2 CO--, --COCH.sub.2 --, --CH.sub.2 S(O).sub.n -- and --S(O).sub.n CH.sub.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: July 6, 1999
    Assignee: Zeneca Limited
    Inventors: George Robert Brown, Paul Robert Owen Whittamore, David Robert Brittain
  • 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: 5892047
    Abstract: Compounds of structure (I) in which R is C.sub.1-8 alkyl(phenyl)p, C.sub.2-8 alkenyl(phenyl)p, C.sub.2-8 alkenyl(phenyl)p, C.sub.3-8 cycloalkyl or C.sub.1-8 alkylC.sub.3-8 cycloalkyl; p is 0 to 2; n is 0 to 6; A is a bond, oxygen, sulphur or NR.sup.1 ; R.sup.1 is hydrogen, C.sub.1-8 alkylphenylC.sub.1-4 alkyl; m is 0 to 3; and Ar is aryl or heteroaryl, each of which may be optionally substituted, and salts thereof processes for preparing said compounds, pharmaceutical compositions containing them and their use in therapy, in particular as calcium blocking agents.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: April 6, 1999
    Assignee: NeuroSearch A/S
    Inventors: Dan Peters, Oskar Axelsson
  • Patent number: 5889019
    Abstract: The present invention relates to therapeutically active heterocyclic compounds and to pharmaceutical compositions comprising the compounds. The novel compounds are useful in treating diseases in the central nervous system caused by malfunctioning of the muscarinic cholinergic system.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: March 30, 1999
    Assignee: Eli Lilly and Company
    Inventor: Charles Howard Mitch
  • Patent number: 5886009
    Abstract: This invention relates to the quinuclidine derivative (2S, 3S)-N-(5-n-propyl-2-methoxyphenyl)methyl-2-diphenylmethyl-1-azabicyclo?2.2 .2!octan-3-amine and its pharmaceutically acceptable salts. These compounds are substance P antagonists and are useful in the treatment of gastrointestinal disorders, inflammatory disorders, central nervous system disorders and pain.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: March 23, 1999
    Assignee: Pfizer Inc.
    Inventors: Fumitaka Ito, Hiroshi Kondo, Masami Nakane, Kaoru Shimada
  • Patent number: 5883107
    Abstract: The present invention provides peptide aldehydes having an azetidinyl, prolyl or pipecolyl group as part of the peptide backbone and an arginine mimic group such as an amidinopiperidine or amidinophenyl tail. These compounds are potent and specific inhibitors of thrombin. Their pharmaceutically acceptable salts, pharmaceutically acceptable compositions thereof, and methods of using them as therapeutic agents for disease states in mammals characterized by abnormal thrombosis are also described.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 16, 1999
    Assignee: Corvas International, Inc.
    Inventors: Odile Esther Levy, Susan Yoshiko Tamura, Ruth Foelsche Nutt, William Charles Ripka
  • Patent number: 5880284
    Abstract: The invention relates to cyclic urea derivatives of general formula I ##STR1## wherein R.sub.a, R.sub.b, X and Y are defined as in claim 1, the tautomers, stereoisomers and salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably aggregation inhibiting effects, and to drugs containing the compounds and processes for preparing them.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: March 9, 1999
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Frank Himmelsbach, Volkhard Austel, Gunter Linz, Helmut Pieper, Brian Guth, Thomas Muller, Johannes Weisenberger
  • Patent number: 5872117
    Abstract: This invention relates to a 1,2-ethanediol derivative and a salt thereof, a process for producing the same, and a cerebral function-improving agent comprising the same. The cerebral function-improving agent of this invention is useful for treating cerebrovascular dementia, senile dementia, Alzheimer's dementia, sequelae of ischemic encephalopathy and cerebral apoplexy.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: February 16, 1999
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Satoshi Ono, Tetsuo Yamafuji, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo, Hirokazu Narita
  • Patent number: 5852038
    Type: Grant
    Filed: November 18, 1996
    Date of Patent: December 22, 1998
    Assignee: Pfizer Inc
    Inventors: Fumitaka Ito, Toshihide Kokura, Masami Nakane, Kunio Satake, Hiroaki Wakabayashi
  • Patent number: 5840903
    Abstract: This invention relates to compounds of the formula: ##STR1## or a pharmaceutically acceptable salt thereof wherein Z is selected from the group consisting of ##STR2## R.sub.1 is alkoxy of one to six carbon atoms; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group consisting of hydrogen, halogen, CF.sub.3, hydroxy, alkoxy of one to six carbon atoms, acyl of two to seven carbon atoms, amino, amino substituted by one or two alkyl groups of one to six carbon atoms, C.sub.2 -C.sub.7 acylamino, aminocarbonyl, aminosulfone optionally substituted by one or two alkyl groups of one to six carbon atoms, C.sub.1 -C.sub.6 alkylsulfone and nitro;m is 1 or 2;X is O or NR.sub.7 ; andR.sub.7 is hydrogen or alkyl of 1 to 6 carbon atoms.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: November 24, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Daniel Lee Flynn, Robert L. Shone
  • Patent number: 5837711
    Abstract: Certain novel substituted quinuclidine compounds having the ability to antagonize substance P and having the following formula: ##STR1## wherein Ar.sup.1 and Ar.sup.2 are each, independently, thienyl, phenyl, fluorophenyl, chlorophenyl or bromophenyl;X is --CONR.sup.3 R.sup.4, --CO.sub.2 R.sup.3, --CH.sub.2 OR.sup.3, --CH.sub.2 NR.sup.3 R.sup.4 or --CONR.sup.3 OR.sup.4 ;R.sup.1, R.sup.3 and R.sup.4 are each, independently, hydrogen or alkyl having 1 to 4 carbon atoms;R.sup.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: November 17, 1998
    Assignee: Pfizer Inc.
    Inventors: Fumitaka Ito, Toshihide Kokura, Masami Nakane, Kunio Satake, Hiroaki Wakabayashi
  • Patent number: 5834499
    Abstract: A 5-HT.sub.3 receptor against containing a thiazole derivative as the effective ingredient is provided and is represented by the Formula (I): ##STR1## wherein the A ring is substituted or unsubstituted and represents a benzene or a heterocyclic ring with one or two heteroatoms;one of L.sub.1 or L.sub.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: November 10, 1998
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Kiyoshi Iwaoka, Hideki Anan, Naoki Imanishi, Kenichi Kazuta, Hiroyuki Koshio, Takeshi Suzuki, Hirotsune Itahana, Hiroyuki Ito, Keiji Miyata, Mitsuaki Ohta
  • Patent number: 5830902
    Abstract: A quinuclidine derivative represented by the following general formula (I), a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof, which has strong squalene synthase inhibiting activity and is useful as a cholesterol lowering agent without causing side effects. ##STR1## (Symbols in the formula represent the following meanings; R.sub.1 : a hydrogen atom, a halogen atom or a lower alkyl group,R.sub.2 : a hydrogen atom, a hydroxyl group or a lower alkoxy group,. . : a single bond or a double bond, with the proviso thatR.sub.2 does not exist when . . . is a double bond,X and Y: the same or different from each other and each represents a bond, an oxygen atom (--O--), a carbonyl group (--CO--), a group represented by the formula --S(O).sub.p -- or a group represented by the formula --NR.sub.3 --,p: 0, 1 or 2,R.sub.3 : a hydrogen atom or a lower alkyl group which may have a substituent,A: a saturated or unsaturated lower alkylene group, a group of the formula --(CH.sub.2).sub.m Z(CH.sub.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: November 3, 1998
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masahiko Isaka, Tsukasa Ishihara, Koyo Matsuda, Hirotoshi Kakuta, Hiroshi Moritani
  • Patent number: 5807867
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is methoxy and R.sup.2 is selected from the group consisting of methyl, ethyl, isopropyl, sec-butyl and tert-butyl; and the pharmaceutically acceptable salts of such compounds.These compounds are substance P antagonists and useful in the treatment of gastrointestinal disorders, inflammatory disorders, central nervous system disorders and pain.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: September 15, 1998
    Assignee: Pfizer Inc.
    Inventors: Fumitaka Ito, Hiroshi Kondo, Masami Nakane, Kaoru Shimada, John Adams Lowe, III, Terry Jay Rosen
  • Patent number: 5808075
    Abstract: A process for the preparation of a compound of formula (I) or a pharmaceutically acceptable salt thereof wherein R.sub.1 represents (a) in which r represents an integer of 2 to 4, s represents 1 or 2 and t represents 0 or 1; R.sub.2 is a group OR.sub.4, where R.sub.4 is C.sub.1-4 alkyl, C.sub.2-4 alkenyl or C.sub.2-4 alkynyl or a group OCOR.sub.5 where R.sub.5 is hydrogen or R.sub.4 ; and R.sub.3 is CN; said process comprising reacting a compound of formula (II) wherein R.sub.1 ' is R.sub.1 or a group convertible thereto, and R.sub.3 ' is an electron withdrawing group, with a source of nitrous acid, and thereafter converting the resulting .dbd.NOH group to .dbd.NR.sub.2 wherein R.sub.2 is as defined in formula (I), converting R.sub.1 ' and R.sub.3 ' when other than R.sub.1 and R.sub.3 to R.sub.1 and R.sub.3, and thereafter optionally forming a pharmaceutically acceptable salt.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: September 15, 1998
    Inventors: Steven Mark Bromidge, Martyn Voyle, Erol Ali Faruk, Mark Jason Hughes, John Kitteringham, Gary Thomas Borrett
  • Patent number: 5795890
    Abstract: A sulfonamide derivatives of formula (I) ##STR1## a non-toxic salts, an acid addition salts or a solvates thereof which has an inhibitory effect on elastase.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: August 18, 1998
    Assignee: ONO Pharmaceutical Co., Ltd.
    Inventors: Takahiko Nakae, Masashi Kato, Takehito Fujita, Kazuhito Kawabata, Hiroyuki Ohno
  • Patent number: 5792777
    Abstract: Biphenylylquinuclidine compounds of the formula I: ##STR1## and pharmaceutically-acceptable salts thereof; wherein R.sup.1 is hydrogen or hydroxy; R.sup.2 is hydrogen; or R.sup.1 and R.sup.2 are joined together so that CR.sup.1 -CR.sup.2 is a double bond; and one or both ring A and ring B may be optionally unsubstituted or independently substituted by one or more substituents selected from halogeno, hydroxy, amino, nitro, cyano, carboxy, carbamoyl, (1-6C)alkyl, (1-6C)alkoxy, (1-6C)alkylamino, di-?(1-6C)alkyl!amino, N-?(1-6C)alkyl!carbamoyl, N,N-di-?(1-6C)alkyl!carbamoyl, (1-6C)alkoxycarbonyl, (1-6C)alkylthio, (1-6C)alkylsulphinyl, (1-6C)alkylsulphonyl and halogeno-(1-6C)alkyl; are inhibitors of squalene synthase and are hence useful in treating diseases or medical conditions such as hypercholesterolemia, atherosclerosis and fungal diseases.
    Type: Grant
    Filed: June 30, 1993
    Date of Patent: August 11, 1998
    Assignee: Zeneca Limited
    Inventors: George Robert Brown, Peter John Harrison, deceased, Keith Blakeney Mallion
  • Patent number: 5780466
    Abstract: The invention relates to compounds of the formula ##STR1## in which: A is a divalent radical selected from:A.sub.1) --O--CO--A.sub.2) --CH.sub.2 --O--CO--A.sub.3) --O--CH.sub.2 --CO--A.sub.4) --O--CH.sub.2 --CH.sub.2 --A.sub.5) --N(R.sub.1)--CO--A.sub.6) --N(R.sub.1)--CO--CO--A.sub.7) --N(R.sub.1)--CH.sub.2 --CH.sub.2 --A.sub.8) --O--CH.sub.2 --in which:R.sub.1 is a hydrogen or a (C.sub.1 -C.sub.4)-alkyl; andAm is a nitrogen-containing heterocycle.
    Type: Grant
    Filed: August 27, 1996
    Date of Patent: July 14, 1998
    Assignee: Sanofi
    Inventors: Xavier Emonds-Alt, Isabelle Grossriether, Patrick Gueule, Vincenzo Proietto, Didier Van Broeck, Joelle Taillades
  • Patent number: 5777122
    Abstract: A process for cleaving cinchona alkaloids to a quinoline derivative and an enantiomerically pure, functionalized 1-azabicyclo(2.2.2)octane, includes treating a cinchona alkaloid with a complex metal hydride while simultaneously oxidizing by exposure to air in an ether or tetrahydrofuran. Enantiomerically pure 1-azabicyclo(2.2.2)octanes of the formula ##STR1## in which R is hydrogen, a straight-chain or branched alkoxycarbonyl group with 1 to 12 carbon atoms, a straight-chain or branched alkyl group with 1 to 12 carbon atoms, alkylated silyl groups, or a substituted phenyl or benzyl substituent, are also provided.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: July 7, 1998
    Assignee: Buchler GmbH
    Inventor: H. Martin R. Hoffmann
  • Patent number: 5773458
    Abstract: The compound of the formula: ##STR1## where R is H, alkyl, haloalkyl, cycloalkyl, alkenyl or alkynyl; Y is oxygen, sulfur or NR.sub.2 where R.sub.2 is H or alkyl; or a pharmaceutically acceptable salt thereof, are centrally active muscarinic agents.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: June 30, 1998
    Assignee: American Home Products Corporation
    Inventors: Annmarie L. Sabb, Reinhardt P. Stein
  • Patent number: 5773619
    Abstract: A process for the preparation of a compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein R.sub.1 represents ##STR2## in which r represents an integer of 2 to 4, s represents 1 or 2 and t represents 0 or 1;R.sub.2 is a group OR.sub.4, where R.sub.4 is C.sub.1-4 alkyl, C.sub.2-4 alkenyl or C.sub.2-4 alkynyl or a group OCOR.sub.5 where R.sub.5 is hydrogen or R.sub.4 ; andR.sub.3 is CN;said process comprising reacting a compound of formula (II): ##STR3## wherein R.sub.1 ' is R.sub.1 or a group convertible thereto, and R.sub.3 ' is an electron withdrawing group, with a source of nitrous acid, and thereafter converting the resulting .dbd.NOH group to .dbd.NR.sub.2 wherein R.sub.2 is as defined in formula (I), converting R.sub.1 ' and R.sub.3 ' when other than R.sub.1 and R.sub.3 to R.sub.1 and R.sub.3, and thereafter optionally forming a pharmaceutically acceptable salt.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: June 30, 1998
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Steven Mark Bromidge, Martyn Voyle, Erol Ali Faruk, Mark Jason Hughes, John Kitteringham, Gary Thomas Borrett
  • Patent number: 5770608
    Abstract: Quinuclidine compounds of the formula I: ##STR1## R.sup.1 is hydrogen or hydroxy; R.sup.2 is hydrogen;or R.sup.1 and R.sup.2 are joined together so that CR.sup.1 --CR.sup.2 is a double bond;X is selected from --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 NH--, --NHCH.sub.2 --, --CH.sub.2 CO--, --COCH.sub.2 --, --CH.dbd.N--, --N.dbd.CH--, --CH.sub.2 S--, --SCH.sub.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: June 23, 1998
    Assignee: Imperial Chemical Industries PLC
    Inventors: George Robert Brown, Keith Blakeney Mallion, Peter John Harrison, deceased
  • Patent number: 5744606
    Abstract: Optically active 3-quinuclidinol is obtained by the asymmetric hydrogenation of 3-quinuclidinone, its Lewis acid adducts or its tertiary or quaternary salts, for example, 1-(diphenylmethyl)-3-oxoquinuclidinium bromide. Rhodium/chiral diphosphine complexes with a metallocene structure are preferably used as catalysts. Optically active 3-quinuclidinol is a synthetic building block for pharmaceutical active substances (M.sub.1 receptor agonists).
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: April 28, 1998
    Assignee: Lonza AG
    Inventor: Walter Brieden
  • Patent number: 5744480
    Abstract: The present invention relates to novel fluoroalkoxybenzylamino derivatives of nitrogen containing heterocyclic compounds, and specifically, to compounds of the formula ##STR1## wherein Q, X.sup.1, X.sup.2 and X.sup.3 are as defined below. These novel compounds are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: April 28, 1998
    Assignee: Pfizer Inc.
    Inventors: John Adams Lowe, III, Terry Jay Rosen
  • Patent number: 5741819
    Abstract: The present invention is directed to non-peptidic factor Xa inhibitors which are useful for the treatment of arterial and venous thrombotic occlusive disorders, inflammation, cancer, and neurodegenerative diseases. The factor Xa inhibitors provide compounds of structure: ##STR1## or pharmaceutically acceptable salts thereof; whereinR.sup.1 is alkyl, substituted alkyl, cycloalkyl, aryl, substituted aryl, heteroaryl or substituted heteroaryl; R.sup.2 is one of hydrogen, alkyl, cycloalkyl or aryl; R.sup.3 is one of hydrogen, hydroxy or alkoxy; R.sup.4 is one of --NH.sub.2, phenyl or pyridyl, wherein said phenyl and said pyridyl are optionally substituted with one or two of halogen, hydroxy, hydroxyalkyl, alkoxy, amino, monoalkylamino, dialkylamino, aminoalkyl, monoalkylaminoalkyl and/or dialkylaminoalkyl; X is one of --CH.sub.2 -- or --C(O)--; and n is from zero to eleven; provided that when R.sup.4 is --NH.sub.2, then R.sup.3 is hydrogen and n is other than zero; and also provided that when R.sup.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 21, 1998
    Assignee: 3-Dimensional Pharmaceuticals, Inc.
    Inventors: Carl R. Illig, Richard M. Soll, Joseph M. Salvino, Bruce E. Tomczuk, Tianbao Lu, Nalin L. Subasinghe
  • Patent number: 5741797
    Abstract: Compounds useful in the treatment of inflammatory disorders, central nervous system disorders and other disorders of the formula I and the pharmaceutically-acceptable salts thereof; ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl; X is C.sub.1 -C.sub.6 alkyl having one or more substituents which include at least one heteroatom; Ar.sup.1 and Ar.sup.2 are each, independently, aryl optionally substituted by one C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, halogen, cyano, nitro, phenoxy, mono C.sub.1 -C.sub.6 alkylamino, di C.sub.1 -C.sub.6 alkylamino, halosubstituted C.sub.1 -C.sub.6 alkyl, or halosubstituted C.sub.1 -C.sub.6 alkoxy; Y is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, Z--(CH.sub.2).sub.p --, or W--(CH.sub.2).sub.m --CHR.sup.2 --(CH.sub.2).sub.n --NR.sup.1 CO-- wherein Y is at the 4-, 5- or 6-position on the quinuclidine ring; R.sup.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, benzyl or --(CH.sub.2).sub.r --W; R.sup.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: April 21, 1998
    Assignee: PFizer Inc.
    Inventor: Kunio Satake
  • Patent number: 5731323
    Abstract: Compounds of formula (I) and their pharmaceutically acceptable salts in which R.sup.1 is hydrogen or hydroxy; R.sup.2 is hydrogen; or R.sup.1 and R.sup.2 are joined together so that CR.sup.1 --CR.sup.2 is a double bond; X is selected from --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.ident.C--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 NH--, --NHCH.sub.2 --, --CH.sub.2 CO--, --COCH.sub.2 --, --N.dbd.CH--, --CH.dbd.N--, --CH.sub.2 S-- and --SCH.sub.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: March 24, 1998
    Assignee: Zeneca Limited
    Inventor: Paul Robert Owen Whittamore
  • Patent number: 5726313
    Abstract: Compound of Formula (I), wherein W.sub.1 is an oxygen atom; an --NR-- group wherein R is hydrogen, C.sub.1 -C.sub.7 alkyl or benzyl; and B is for example a substituted piperidine or quinuclidine. The disclosed compounds are useful as neurokinin receptor antagonists.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: March 10, 1998
    Assignee: Sanofi
    Inventors: Jean-Philippe Ducoux, Patrick Gueule, Xavier Emonds-Alt
  • Patent number: 5723103
    Abstract: This invention provides compounds of the formula I ##STR1## wherein, R.sup.1, R.sup.2, and R.sup.3 are independently ?a first halogen atom,! fluorine, chlorine, bromine, iodine, alkyl, alkenyl, alkynyl, alkoxy, alkenoxy, or alkynoxy, wherein R.sup.2 and R.sup.3 can also independently be H, wherein at least one of R.sup.1, R.sup.2, and R.sup.3 is ?a second halogen atom! fluorine, bromine, iodine or is substituted with ?a second halogen atom,! fluorine, bromine or iodine and R.sup.4 is H or lower alkyl. The invention also provides precursors of formula I, radioactive analogs of formula I, and methods of using the compounds for the identification of 5-HT-3 receptors and the detection and treatment of abnormal conditions associated therewith.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: March 3, 1998
    Assignee: Vanderbilt University
    Inventors: Tomas de Paulis, Dennis E. Schmidt, William Hewlett, Michael H. Ebert
  • Patent number: 5716965
    Abstract: Compounds of the formula ##STR1## wherein W, Ar.sup.1, Ar.sup.2 and Ar.sup.3 are defined as below; and the pharmaceutically acceptable salts of such compounds.These compounds are substance P antagonists and useful in the treatment of gastrointestinal disorders, inflammatory disorders, central nervous system disorders and pain.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: February 10, 1998
    Assignee: Pfizer Inc.
    Inventors: Fumitaka Ito, Toshihide Kokura, Masami Nakane, Kunio Satake, Hiroaki Wakabayashi
  • Patent number: 5714496
    Abstract: Compounds of formula (I) and their pharmaceutically acceptable salts in which R.sup.1 is hydrogen or hydroxy; R.sup.2 is hydrogen; or R.sup.1 and R.sup.2 are joined together so that CR.sup.1 -CR.sup.2 is a double bond; X is selected from --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --CH.sub.2 O--, --CH.sub.2 NH--, --NHCH.sub.2 --, --CH.sub.2 CO--, --COCH.sub.2 --, --CH.sub.2 S-- and --SCH.sub.2 --; Ar.sup.1 is a phenylene moiety; Ar.sup.2 is a heteroaryl moiety; and wherein one or both of Ar.sup.1 and Ar.sup.2 may optionally bear one or more substituents independently selected from halogeno, hydroxy, amino, nitro, cyano, carboxy, carbamoyl, alkyl, alkenyl, alkynyl, alkoxy, alkylamino, di-alkylamino, N-alkylcarbamoyl, di-N,N-alkylcarbamoyl, alkoxycarbonyl, alkylthio, alkylsulphinyl, alkylsulphonyl, halogeno-alkyl, carboxyalkyl and alkanoylamino; provided that when R.sup.1 is hydroxy, X is not selected from --NHCH.sub.2 -- and --SCH.sub.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: February 3, 1998
    Assignee: Zeneca Limited
    Inventors: George Robert Brown, Keith Blakeney Mallion, Paul Robert Owen Whittamore, David Robert Brittain
  • Patent number: 5712288
    Abstract: The invention relates to quaternary basic amides of the formula ##STR1## in which Ar is an optionally substituted mono-, di- or tri-cyclic aromatic or heteroaromatic group;T is a direct bond, a hydroxymethylene group, an alkoxymethylene group in which the alkoxy group is C.sub.1 -C.sub.4, or a C.sub.1 -C.sub.5 -alkylene group;Ar' is an unsubstituted or mono- or poly-substituted phenyl, a thienyl, a benzothienyl, a naphthyl or an indolyl;R is hydrogen or a C.sub.1 -C.sub.4 -alkyl, or a C.sub.1 -C.sub.4 -.omega.-alkoxy(C.sub.2 -C.sub.4)alkyl, or a C.sub.2 -C.sub.4 -.omega.-alkanoyloxy (C.sub.1 -C.sub.4)alkyl;Q is hydrogen;or else Q and R together form a 1,2-ethylene, 1,3-propylene or 1,4-butylene group;Am.sup..sym. is the radical ##STR2## in which X.sub.1, X.sub.2 and X.sub.3, together with the nitrogen atom to which they are bonded, form a 1-azoniabicyclo?2.2.2!octane optionally substituted by a phenyl or benzyl group; andA.sup..crclbar. is a pharmaceutically acceptable anion.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: January 27, 1998
    Assignee: Sanofi
    Inventors: Xavier Emonds-Alt, Patrick Gueule, Vincenzo Proietto, Didier Van Broeck
  • Patent number: 5712270
    Abstract: This invention relates to methods of treating neurological illnesses related to acetylcholine deficiency in the CNS including memory loss attending senility, Parkinson's disease, Down's syndrome or senile pugilistica by administering a therapeutically effective compound of the formula: ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are, independently, H, alkyl, halo, perhaloalkyl, hydroxy, alkoxy, aryl or arylalkyl; n is an integer from 0-5; R is azabicyclo?2.2.2!octyl or azabicyclo?2.2.1!heptyl when n.sub.1 is zero, or R is NR.sub.4 R.sub.5 when n.sub.1 is 1, 2, 3, 4, or 5, in which R.sub.4 and R.sub.5 are alkyl or R.sub.4 and R.sub.5, taken with the nitrogen atom to which they are attached, are N-(substituted aryl)piperazinyl in which said substituent is alkoxy, halo or perhaloalkyl; N-(pyridyl)piperazinyl; N-(pyrimidinyl)piperazinyl; or 3-azabicyclo-?3.2.2!non-3-yl; X is oxygen or NH; n and n.sub.1 are, independently, one of the integers 0, 1, 2, 3, 4 or 5; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: January 27, 1998
    Assignee: American Home Products Corporation
    Inventor: Annmarie L. Sabb
  • Patent number: 5710191
    Abstract: A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition comprising at least one compound of either of the following formulas IA and IB: ##STR1## where R is hydrogen, methyl or hydroxymethyl. The preferred catalysts comprise 3-hydroxymethyl quinuclidine, 3-methyl-3-hydroxymethyl quinuclidine and 4-hydroxymethyl quinuclidine.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: January 20, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Mark Leo Listemann, Kristen Elaine Minnich, Brian Eugene Farrell, Lisa Ann Mercando, Michael John Kimock, James Dudley Nichols
  • Patent number: 5691349
    Abstract: Quinuclidine derivatives of formula, and their pharmaceutically acceptable salts, in which: R.sup.1 is hydrogen or hydroxy; R.sup.2 is hydrogen; pr R.sup.1 and R.sup.2 are joined together so that CR.sup.1 -CR.sup.2 is a double bond; X is selected from --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.dbd.C--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 NH--, NHCH.sub.2 --, --CH.sub.2 CO--, --COCH.sub.2 --, --CH.sub.2 S(O).sub.n -- and --S(O).sub.n CH.sub.2 -- wherein n is 0, 1 or 2; and AR is phenyl which may be optionally unsubstituted or substituted by one or more substituents such as halogeno, hydroxy, amino, nitro, cyano, carboxy, carbamoyl, alkyl, alkenyl, alkynyl, alkoxy, alkylamino, dialkylamino, N-alkylcarbamoyl, N,N-di-alkylcarbamoyl, alkoxycarbonyl, alkythio, alkylsulphinyl, alkylsulphonyl, halogeno alkyl, alkanoylamino, alkylenedioxy, alkanoyl and oxime derivatives thereof and O-alkyl ethers of said oximes; provided that when X is selected from --OCH.sub.2 --, --NHCH.sub.2 --, and SCH.sub.2 --, R.sup.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: November 25, 1997
    Assignee: Zeneca Limited
    Inventors: Keith Blakeney Mallion, George Robert Brown, Paul Robert Owen
  • Patent number: 5686463
    Abstract: A class of novel oxadiazoles, substituted on one of the ring carbon atoms with a non-aromatic azacyclic or azabicyclic ring, and substituted on the other ring carbon atom with a substituent of low lipophilicity; are potent muscarinic agonists, and have good CNS penetrability. The compounds are therefore useful in the treatment of neurological and mental illnesses.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: November 11, 1997
    Assignee: Merck, Sharp & Dohme, Ltd.
    Inventors: Raymond Baker, Kevin John Merchant, Angus Murray MacLeod, John Saunders
  • Patent number: 5686461
    Abstract: The invention relates to compounds of formula (I). ##STR1## or a salt, or metabolically labile ester thereof wherein R.sub.1 represents a group selected from halogen, alkyl, alkoxy, amino, alkylamino, dialkylamino, hydroxy, trifluoromethyl, trifluoromethoxy, nitro, cyano, SO.sub.2 R.sub.3 or COR.sub.3 wherein R.sub.3 represents hydroxy, methoxy, or amino; m is zero or an integer 1 or 2;A represents an ethynyl group or an optionally substituted ethenyl group;X represents a bond or a C.sub.1-4 alkylene chain;R.sub.2 represents a bridged cycloalkyl or bridged heterocyclic group; which are antagonists of excitatory amino acids, to processes for their preparation and to their use in medicine.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: November 11, 1997
    Assignee: Glaxo Wellcome S.p.A.
    Inventors: Alfredo Cugola, Giovanni Gaviraghi, Fabrizio Micheli
  • Patent number: 5675007
    Abstract: A compound of formula (I) or a pharmaceutically acceptable salt thereof (I) wherein R.sub.1 represents (a), R.sub.2 is a group OCH.sub.3, and R.sub.3 is cyano, for use in the treatment and/or prophylaxis of dementia in mammals.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: October 7, 1997
    Assignee: SmithKline Beecham p.l.c.
    Inventors: John Keogh, Gary Thomas Borrett, Steven Mark Bromidge, Erol Ali Faruk, Mark Jason Hughes, John Kitteringham, Martyn Voyle
  • Patent number: 5662828
    Abstract: A compound having an unsaturated side chain represented by the formula: ##STR1## in which A and B are the same and different and represent an aromatic or heterocyclic group or either one of A and B represents a single bond; X.sub.1, X.sub.2 and X.sub.3 are the same or different and represent a hydrogen atom or a lower alkyl group; R.sub.1 represents a saturated or unsaturated alkyl group which may be substituted with a halogen atom or an alkoxyalkyl group which may be substituted with a halogen atom; X represents --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C-- or a single bond; n is an integer of 0 to 6; q is an integer of 1 to 15; p and s are each 0 or 1; and the asterisk * indicates an asymmetric carbon atom, which is useful as an intermediate of a liquid crystal or a monomer of a liquid crystalline polymer.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 2, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshiaki Tsubata, Kayoko Ueda, Koichi Fujisawa, Takayuki Higashii, Masayoshi Minai, Naoyuki Takano, Yukari Fujimoto