Patents Examined by Catherine S. Kilby
  • Patent number: 5177241
    Abstract: Compounds having the formula: ##STR1## wherein T is a polycycloalkylidene group (e.g., adamant-2-ylidene); R is a C.sub.1-20 alkyl, aralkyl or cycloalkyl group; and Y is a fluorescent chromophore (e.g., m-phenylene), produced by reacting a compound having the formula: ##STR2## with an R-ylating agent (e.g., R.sub.2 SO.sub.4) in the presence of an alkali metal alkoxide in a polar aprotic solvent. Also, compounds having the formula: ##STR3## are produced by reacting a compound having the formula: ##STR4## wherein X is an electronegative leaving group (e.g., a halogen anion such as chloride ion) in the presence of a Lewis base (e.g., a trialkyl-amine) dissolved in an aprotic organic solvent (e.g., benzene or toluene). Also, compounds having the formula ##STR5## are produced by reacting a compound of the formula ##STR6## with a tetra-O-acylated-O-hexopyranoside halide, then hydrolyzing off the protective acyl groups.
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: January 5, 1993
  • Patent number: 5173289
    Abstract: Aromatic esters and thioesters of the formula ##STR1## are useful in human and veterinary medicine and in cosmetic formulations. In the formula, X represents oxygen or sulfur, r' and 4" represent hydrogen, lower alkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl or benzyl optionally substituted, the residue of an amino acid or aminated sugar, or taken together form a heterocycle, R.sub.2 represents .alpha., .alpha.'- dissubstituted alkyl having 4-12 carbon atoms or mono- or polycyclic cycloalkyl having 5-12 carbon atoms whose carbon linking carbon is trisubstituted and R.sub.3 and R.sub.4 represent hydrogen or lower alkyl.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: December 22, 1992
    Assignee: Centre International de Recherches Dermatologiques (C.I.R.D.)
    Inventors: Braham Shroot, Jacques Eustache, Jean-Michel Bernardon
  • Patent number: 5171744
    Abstract: Compounds having the formula: ##STR1## wherein X is either (a) a phenyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and hydroxy, or (b) a thienyl group; and Y is an imidazolyl, pyrazolyl, triazolyl or tetrazolyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkoxy, hydroxy and amino; and pharmaceutically acceptable salts thereof, are antimuscarinic bronchodilators useful in the treatment of chronic obstructive airways disease and asthma.
    Type: Grant
    Filed: October 16, 1990
    Date of Patent: December 15, 1992
    Assignee: Pfizer Inc.
    Inventors: Peter E. Cross, Alan Stobie
  • Patent number: 5166170
    Abstract: There are disclosed various compounds depicted by the general formula, ##STR1## where the parameters X, Y, R.sub.1, R.sub.2, and R.sub.3 are as defined in the specification. These compounds are disclosed as topical antiinflammatory agents useful for the treatment of various skin disorders including exogenous dermatitis, endogenous dermatitis, dermatitis of unknown etiology and other cutaneous disorders with an inflammatory component.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: November 24, 1992
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: John J. Tegeler, Eileen M. Gardenhire, Grover C. Helsley
  • Patent number: 5166214
    Abstract: This invention relates to imidazoles as inhibitors of acyl-CoA: cholesterol acyltransferase (ACAT), processes for their preparation, and their use as antihypercholesterolemic agents or antiatherosclerotic.The compounds for use in the described method are compounds of Formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are selected independently from H, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 branched alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.4 -C.sub.10 cycloalkylalkyl, C.sub.7 -C.sub.14 araalkyl, phenyl optionally substituted with 1 to 3 groups selected from F, Cl, Br, OH, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.8 branched alkyl, CH.sub.3 S(O).sub.r, NO.sub.2, CF.sub.3, or NR.sup.7 R.sup.8 ; R.sup.3 is H, C.sub.1 -C.sub.6 alkyl, allyl, benzyl, or phenyl optionally substituted with F, Cl, CH.sub.3, CH.sub.3 O, or CF.sub.3 ; R.sup.4 is straight chain C.sub.1 -C.sub.8 alkyl optionally substituted with F; C.sub.3 -C.sub.8 branched alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.4 -C.sub.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: November 24, 1992
    Assignee: Du Pont Merck Pharmaceutical Company
    Inventors: Jeffrey T. Billheimer, Peter J. Gillies, C. Anne Higley, Thomas P. Maduskuie, Jr., Ruth R. Wexler
  • Patent number: 5157129
    Abstract: 5,6-Dihydro-4-(R-amino)-4H-thieno[2,3-b]-thiopyran-2-sulfonamide-7,7-dioxid e is a potent carbonic anhydrase inhibitor useful in the treatment of ocular hypertension and glaucoma. The S-(+)-enantiomer of that compound, the more active enantiomer, is prepared by a process involving an intermediate step of an enantioselective reduction of a carbonyl group employing an oxazaborolidine chiral catalyst.
    Type: Grant
    Filed: April 18, 1990
    Date of Patent: October 20, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Thomas J. Blacklock, Todd K. Jones, Edward J. J. Grabowski, David J. Mathre, Julie J. Mohan, Paul Sohar, F. Edward Roberts, Lyndon C. Xavier
  • Patent number: 5155225
    Abstract: A method for making 8-methyl-7-(1-oxopropyl)indolizino[1,2-b]quinolin-9(11H)-ones from 4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-3,14(4H,12 H)-diones, said method being graphically illustrated as follows: ##STR1##
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: October 13, 1992
    Assignee: SmithKline Beecham Corporation
    Inventors: Joseph M. Fortunak, Mark Mellinger, Jeffery L. Wood
  • Patent number: 5151519
    Abstract: A process for the preparation of 1,5-(alkylimino)-1,5-dideoxy-D-glucitol and derivatives of the formula: ##STR1## wherein R is hydrogen, alkyl of 1 to 13 carbon atoms, and aralkyl wherein alkyl is a lower alkyl of 2 to 6 carbon atoms, and aryl is phenyl, unsubstituted or substituted with lower alkyl of 1 to 6 carbon atoms, halo, lower alkoxy of 1 to 4 carbon atoms or thio lower alkyl of 1 to 4 carbon atoms by the steps of: treating L-sorbose with 2,2-dimethoxypropane to yield 1,2:4,6-di-O-(1-methylethylidene)-.alpha.-L-sorbanose; treating the compound with sulfuric acid in a solvent to produce 1,2-O-(1-methylethylidine)-.alpha.-L-sorbofuranose; consecutively treating with sulfonyl chloride and with an amine to yield 6-(substituted amino)-6-deoxy-1,2-O-(1-methylethylidine)-.alpha.-L-sorbofuranose; adsorbing the compound on an ion exchange resin and hydrogenating to produce compounds of the above formula.
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: September 29, 1992
    Assignee: G. D. Searle & Co.
    Inventors: James R. Behling, Payman Farid, Ish Khanna, John R. Medich, Mike Prunier, Mike G. Scaros, Richard M. Weier
  • Patent number: 5141934
    Abstract: The present invention relates to novel tetracyclic amines and derivatives thereof useful as pharmaceutical agents, to methods for their production, to pharmaceutical compositions which include these compounds and a pharmaceutically acceptable carrier, and to pharmaceutical methods of treatment. The compounds of the present invention are useful in the treatment of neurodegenerative disorders including cerebrovascular disorders.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: August 25, 1992
    Assignee: Warner-Lambert Company
    Inventors: Graham Johnson, Thomas C. Malone
  • Patent number: 5138060
    Abstract: Azabicyclo[2.2.2]octan-3-imines of the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined herein are prepared by reacting a compound of the formula ##STR2## with a compound of the formula ##STR3## wherein A is MgCl, MgBr or Li.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: August 11, 1992
    Assignee: Pfizer Inc.
    Inventors: Dennis M. Godek, Charles W. Murtiashaw
  • Patent number: 5132434
    Abstract: A substituted benzoyl derivative of the formula: ##STR1## wherein R is a lower alkyl group, or a phenyl group unsubstituted or substituted by a lower alkyl group, halogen atom or a lower alkoxy group;n is an integer of 2 or 3;m is an integer of from 0 to 6, and when m is an integer of from 2 to 6, the plurality of R may be the same or different from one another;l is an integer of 0, 1 or 2;X is a halogen atom, a nitro group, a cyano group, a lower alkyl group, a lower alkoxy group, or a lower haloalkyl group;Y is a hydrogen atom, a halogen atom, a nitro group, a lower alkyl group unsubstituted or substituted by a halogen atom or a lower alkoxy group, a lower alkoxy group, or a lower alkoxy carbonyl group; andZ is a halogen atom, a nitro group, a cyano group, a trifluoromethyl group, a lower alkoxy group, a lower alkylthio group, a lower haloalkylthio group, a lower alkylsulfinyl group, a lower haloalkylsulfinyl group, a lower alkylsulfonyl group, or a lower haloalkylsulfonyl group.
    Type: Grant
    Filed: January 3, 1990
    Date of Patent: July 21, 1992
    Assignee: Nissan Chemical Industries Ltd.
    Inventors: Junichi Watanabe, Yasuo Kondo, Masataka Hatanaka, Takashi Ikai, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe
  • Patent number: 5130323
    Abstract: The invention relates to pyrrolidine derivatives having thromboxane A.sub.2 antagonism and TXA.sub.2 synthetase-inhibitory activity, of the formula ##STR1## wherein R.sup.1 is pyridyl(lower)alkyl, R.sup.2 is an acyl group selected from the group consisting of lower alkanoyl, lower alkoxycarbonyl, lower alkylsulfonyl, phenylsulfonyl, benzoyl, phenyl(lower)alkanoyl, cyclo(lower)alkyl(lower)alkanoyl, phenyl(lower)alkoxycarbonyl and phenylcarbamoyl, each of which may have 1 to 3 substituent(s) selected from the group consisting of halogen, lower alkyl, lower alkoxy, nitro and mono(or di or tri)halo(lower)alkyl, andR.sup.3 is carboxy(lower)alkyl, protected carboxy(lower)alkyl, carboxyphenyl or protected carboxyphenyl,or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: July 14, 1992
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Hiroyuki Setoi, Akihiko Sawada, Hirokazu Tanaka, Masashi Hashimoto
  • Patent number: 5128474
    Abstract: An aminocarbonyl-substituted pyridinesulfinic acid intermediate for production of an herbicide having formula (V): ##STR1## wherein R.sub.3 and R.sub.4 are selected from the group consisting of hydrogen and alkyl groups, or a salt thereof. The aminocarbonyl-substituted pyridinesulfinic acid or salt thereof is useful as the precursor of aminosulfonyl-substituted pyridinecarbonic acid amide, which in turn is useful as the starting material for agricultural chemicals, medicine, etc.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: July 7, 1992
    Assignee: Ishihara Sangyo Kaisha Ltd.
    Inventors: Takahiro Haga, Yasuhiro Tsujii, Tatsuo Isogai, Shigeo Murai, Hisayoshi Jonishi, Tokiya Kimura, Hiroshi Sasaki, Takao Awazu, Toshihiro Tanaka
  • Patent number: 5128362
    Abstract: The present invention provides compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein R.sub.1 is selected from hydrogen, halo, lower alkyl, lower alkoxy, or thioalkoxy; and R.sub.2 is lower alkoxy; or R.sub.1 and R.sub.2 together form a methylenedioxy or ethylenedioxy ring; R.sub.3 and R.sub.4 are independently selected from hydrogen, hydroxy, lower alkyl, lower alkoxy, lower alkylthio, (lower alkyl)amino, (lower alkylsulfonyl)amino, and halo; and R.sub.7 is selected from the group consisting of 2- or 3-thienyl, 2- or 3-furyl, and ##STR2## where R.sub.13 and R.sub.14 are independently selected from the group consisting of hydrogen, hydroxy, halogen, amino, lower alkyl, lower alkoxy, lower alkylthio, methylenedioxy, or ethylenedioxy.The compounds of the present invention selectively inhibit .alpha..sub.2 -adrenergic receptors as well as inhibit the uptake of biogenic amines and are thus useful in the treatment of certain cardiovascular and psychiatric disorders.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: July 7, 1992
    Assignee: Abbott Laboratories
    Inventors: John F. DeBernardis, Robert E. Zelle, Fatima Z. Basha
  • Patent number: 5126351
    Abstract: The present invention relates to the compounds of formula (I), ##STR1## wherein: R.sup.1 is hydrogen, hydroxy or amino;R.sup.2 is hydrogen, hydroxy, methoxy or methoxymethoxy;R.sup.3 is hydrogen, hydroxy, amino, methoxy, methoxymethyoxy, or taken together with R.sup.2, methylenedioxy (also known as 1,3-dioxolo);R.sup.4 is hydrogen, hydroxy, methoxy, methoxymethoxy, benzyl, di(C.sub.1-4)alkylaminomethyl or, taken together with R.sup.3, methylenedioxy;R.sup.5 is hydrogen or hydroxy; provided that at least one of R.sup.1 through R.sup.5 is other than hydrogen; andi) X.sup.2 is hydroxy or methoxy with X.sup.1, X.sup.3 and X.sup.4 being hydrogen; orii) X.sup.1 taken together with X.sup.2,X.sup.2 taken together with X.sup.3 or X.sup.3 taken together with X.sup.4, is methylenedioxy, provided that each of the remaining respective X.sup.1, X.sup.2, X.sup.3 and X.sup.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: June 30, 1992
    Assignee: Glaxo Inc.
    Inventors: Michael J. Luzzio, Jeffrey M. Besterman, Michael G. Evans, M. Ross Johnson
  • Patent number: 5116999
    Abstract: Cyclic sulphates of formula: ##STR1## are prepared by oxidation of a cyclic sulphite of formula: ##STR2## with a hypohalite of an alkali or alkaline-earth metal and a catalytic quantity of a ruthernium derivative (RuO.sub.2, RuCl.sub.3). In formulae (I) and (II), R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are identical or different and each represents hydrogen, halogen, alkyl, alkoxy, aryl, aryloxy or alkoxycarbonyl.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: May 26, 1992
    Assignee: Rhone Poulenc Sante
    Inventors: Pierre Le Roy, Bernadette Mandard-Cazin
  • Patent number: 5112852
    Abstract: The present invention relates to allenyl amines, more specifically, .beta.-ethenylidene(substituted) ethanamines, possessing antihypertensive activity, and having the general formula ##STR1## wherein n is the integer 0, 1 or 2; each X independently is a substituent selected from the group consisting of loweralkyl, halo, --O--(loweralkyl), --S--(loweralkyl), --SO--(loweralkyl), --SO.sub.2 --(loweralkyl), CO.sub.2 R and CH.sub.2 OR, wherein R is loweralkyl and each loweralkyl group is from 1 to about 6 carbon atoms, or the pharmaceutically-acceptable addition salts thereof. These compounds are prepared by a novel reaction of a protected N,N-bis(trimethylsilyl)-4-methoxy-2-butynylamine compound with a metallo-organic compound, with subsequent removal of the silyl protecting groups to provide the desired compound.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: May 12, 1992
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: James R. McCarthy, Thomas M. Bargar, Charlotte L. Barney, Donald P. Matthews, Robert J. Broersma
  • Patent number: 5112960
    Abstract: Enzymatically cleavable chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature before a bond by which an enzymatically cleavable labile substituent thereof is intentionally cleaved, are disclosed. These compounds can be represented by the formula: ##STR1## wherein: X and X.sup.1 each represent, individually, hydrogen, a hydroxyl group, a halo substituent, an unsubstituted lower alkyl group, a hydroxy (lower) alkyl group, a halo (lower) alkyl group, a phenyl group, a halophenyl group, an alkoxyphenyl group, a hydroxyalkoxy group, a cyano group or an amide group, with at least one of X and X.sup.1 being other than hydrogen; andR.sub.1 and R.sub.2, individually or together, represent an organic substituent that does not interfere with the production of light when the dioxetane compound is enzymatically cleaved and that satisfies the valence of the dioxetane compound's 4-carbon atom, with the provisos that if R.sub.1 and R.sub.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: May 12, 1992
  • Patent number: 5110502
    Abstract: A solution for suppressing the formation of contrails from the exhaust of an engine including by weight between about 0.01% to 2.5% of the non-corrosive surfactant, between about 1% and 8% water, and between about 85% and 99% ethylene glycol. Another solution may include by weight a monohydric, dihydric or polyhydric alcohol in an amount of between about 85% and 99% and the non-corrosive surfactant in an amount of between about 0.01% and 8%. Still another solution may include an inorganic nucleating or hygroscopic salt, such as ammonium iodide, ammonium fluoride, silver iodide or calcium chloride in monohydric, dihydric or polyhydric alcohols and surfactant mixtures. Yet another solution may include an inorganic salt in monohydric, dihydric or polyhydric alcohols.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: May 5, 1992
    Assignee: SCIPAR, Inc.
    Inventor: Surjit Singh
  • Patent number: 5106866
    Abstract: Amine derivatives having the general formula (I): ##STR1## wherein X is selected from the group consisting of ##STR2## Y is selected from the group consisting of ##STR3## R.sup.1 is hydrogen atom or an alkyl group; R.sup.2 is hydrogen atom or an alkyl group; R.sup.3 is hydrogen atom, a halogen atom or an alkyl group; R.sup.4 is hydrogen atom, an alkyl group, a cycloalkyl group, a halogenated alkyl group or a halogen atom; R.sup.5 is hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, nitro group or hydroxy group; R.sup.5 is attached to an arbitrary position of X, and R.sup.3 or R.sup.4 is attached to an arbitrary position of Y.The amine derivatives (I) are useful as fungicides.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: April 21, 1992
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Tetsuya Maeda, Toshiyuki Yamamoto, Mituo Takase, Kazuya Sasaki, Tadashi Arika, Mamoru Yokoo, Rieko Hashimoto, Kouji Amemiya, Sakae Koshikawa