Patents Examined by James H. Turnipseed
  • Patent number: 5120748
    Abstract: Substituted 1,2,3,6-tetrahydropyridines are described, as well as methods for the preparation and pharmaceutical composition of same, which are useful as central nervous system agents and are particularly useful as dopaminergic, antipsychotic, and antihypertensive agents as well as for treating hyperprolactinaemia-related conditions and central nervous system disorders.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: June 9, 1992
    Assignee: Warner-Lambert Company
    Inventors: Bradley W. Caprathe, Juan C. Jaen, Lawrence D. Wise
  • Patent number: 5120734
    Abstract: Fungicidal acetic acid esters of the formula ##STR1## in which A.sup.1 is an optionally substituted phenyl, naphthyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, thienyl, furanyl, pyrrolyl, thiazolyl, pyrazolyl, oxazolyl, phenoxy, phenylacetylenyl or phenylethylenyl radical, andA.sup.2 and A.sup.3 each is a lower alkyl radical.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: June 9, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alexander Klausener, Gerd Kleefeld, Dieter Berg, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 5118684
    Abstract: A novel piperidine derivative is defined by the formula (I), including a slt thereof, ##STR1## wherein R.sup.1 denotes a univalent group derived from one selected among substituted or unsubstituted benzene, pyridine, pyrazine, indole, anthraquinone, quinoline, substituted or unsubstituted phthalimide, homophthalimide, pyridinecarboxylic acid imide, pyridine N-oxide, pyrazinedicarboxylic acid imide, naphthalenedicarboxylic acid imide, substituted or unsubstituted quinazolinedione, 1,8-naphthalimide, bicyclo [2.2.2] oct-5-ene-2,3-dicarboxylic acid imide and pyromerylimide,X denotes a group of the formula --(CH.sub.2).sub.n --, a group of the formula --O(CH.sub.2).sub.n --, a group of the formula --S(CH.sub.2).sub.n --, a group of the formula --NH(CH.sub.2).sub.n --, a group of the formula --SO.sub.2 NH(CH.sub.2).sub.n --, a group of the formula ##STR2## a group of the formula ##STR3## a group of the formula ##STR4## a group of the formula --CH.sub.2 NH(CH.sub.2).sub.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: June 2, 1992
    Assignee: Eisai Co., Ltd.
    Inventors: Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu
  • Patent number: 5118691
    Abstract: Substituted tetrahydropyridines and derivatives thereof are described, as well as methods for the preparation and pharmaceutical composition of same, which are useful as central nervous system agents and are particularly useful as dopaminergic, antipsychotic, and antihypertensive agents as well as for treating hyperprolactinaemia-related conditions and central nervous system disorders.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: June 2, 1992
    Assignee: Warner-Lambert Co.
    Inventors: Juan C. Jaen, David G. Nickell, Donna M. Reynolds, Sarah J. Smith, Lawrence D. Wise, David J. Wustrow
  • Patent number: 5118697
    Abstract: Novel cyclic beta-ketoamides which contain an aryl moiety having utility as blood cholesterol lowering agents rendering them useful in the treatment of atherosclerosis.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: June 2, 1992
    Assignee: Warner-Lambert Company
    Inventors: Corinne E. Augelli-Szafran, Bharat K. Trivedi
  • Patent number: 5116827
    Abstract: The N-phosphorylation of basic nitrogenous drug compounds to produce pro-drugs with enhanced water solubility or lipid solubility, or reduced toxicity, is disclosed. Drugs containing amine, amidine, guanidine, isourea, isothiourea and biguanide functions may be converted to such pro-drugs. The pro-drugs are hydrolyzed in the body, regenerating the original drugs with the release of a salt of phosphoric acid.
    Type: Grant
    Filed: March 18, 1991
    Date of Patent: May 26, 1992
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Ving J. Lee
  • Patent number: 5116985
    Abstract: The invention provides novel compounds and salts thereof, have the structure ##STR1## wherein R.sub.1 is a guianidinobenzoyloxy group and R.sub.2 is a hydrogen atom, a hydroxy, cyano, --COR.sub.3 (wherein R.sub.3 is an amino or lower alkyl group) or --COOR.sub.4 group [wherein R.sub.4 is a hydrogen atom, lower alkyl, phenyl, benzyl or --CH.sub.2 CONR.sub.5 R.sub.6 group (wherein R.sub.5 and R.sub.6 are the same or different and selected from a hydrogen atom and lower alkyl groups)], and wherein R.sub.1 is a hydroxy group and wherein R.sub.2 is a --COR.sub.3 (wherein R.sub.3 is an amino or lower alkyl group) or --COOR.sub.4 group [wherein R.sub.4 is a (C.sub.1, C.sub.3 or C.sub.4) alkyl, phenyl, benzyl or --CH.sub.2 CONR.sub.5 R.sub.6 group (wherein R.sub.5 and R.sub.6 are the same or different and selected from a hydrogen atom and lower alkyl groups)]. The compounds, wherein R.sub.1 is a guanidinobenzoyloxy group, are useful protease inhibitors as anti-trypsin agents.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: May 26, 1992
    Assignee: Snow Brand Milk Products Co., Ltd.
    Inventors: Yasuyoshi Takeshita, Hiroshi Nakamura, Susumu Ishiguro, Noboru Kwaguchi, Shin'ichi Shimada, Tadayoshi Koyama, Motohide Seya, Noriko Abe, Shin Nomoto
  • Patent number: 5112980
    Abstract: Disclosed herein is a process for cyclizing pyridinecarboxylate derivatives with 5-(haloalkyl) carboxamide or 5(haloalkyl)carbamate substitutions to prepare compounds useful as herbicides.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: May 12, 1992
    Assignee: Monsanto Company
    Inventor: Shridhar G. Hegde
  • Patent number: 5112981
    Abstract: There are described compounds of the formula ##STR1## where n is 1, 2 or 3;R.sub.1 is hydrogen, formyl, loweralkylcarbonyl, arylloweralkylcarbonyl, loweralkyl, arylloweralkyl, ##STR2## R.sub.5 and R.sub.6 being independently loweralkyl or alternatively the group ##STR3## taken as a whole is ##STR4## R.sub.2 is hydrogen, loweralkyl, loweralkenyl, arylloweralkyl, --CH.sub.2 C.tbd.CH, ##STR5## R.sub.7 and R.sub.8 being independently loweralkyl or alternatively the group ##STR6## taken as a whole is ##STR7## R.sub.3 is hydrogen or loweralkyl; and R.sub.4 is hydrogen or loweralkyl;which compounds are useful as analgesic agents and also for treating various memory dysfunctions.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: May 12, 1992
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, David M. Fink
  • Patent number: 5112867
    Abstract: A triphenylmethane derivative represented by the following general formula: ##STR1## exhibits born absorption inhibiting effects and is useful as a medicament for treating osteoporosis.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: May 12, 1992
    Assignee: Kyowa Hakko Gogyo Co., Ltd.
    Inventors: Iwao Kinoshita, Daisuke Machii, Yasuo Onoda, Haruki Takai, Nobuo Kasaka, Katsuichi Shuto, Katsushige Gomi, Makoto Morimoto, Akio Ishii
  • Patent number: 5110927
    Abstract: Alkylating analogs of prazosin were synthesized and found to compete with nanomolar potency at .sup.3 H-prazosin binding sites of rat tissues. The compounds were found to be irreversible ligands at .sup.3 H-prazosin binding sites, and denoted a subtype of alpha.sub.1 -adrenoceptors.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: May 5, 1992
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Josef Pitha, John W. Kusiak
  • Patent number: 5106851
    Abstract: Compounds of the formula (I) ##STR1## wherein R represents H or C.sub.1-6 alkyl;R.sub.1 and R.sub.2 represent H, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkythio, C.sub.1-6 alkoxycarbonyl, carboxyl, hydroxy, nitro, cyano, optionally C.sub.1-4 alkyl mono- or disubstituted carbamoyl, optionally C.sub.1-4 alkyl mono- or disubstituted amino, C.sub.1-6 acylamino, C.sub.1-4 alkoxy carbonylamino, C.sub.1-6 alkylsulphynyl, C.sub.1-6 alkylsulphonyl or C.sub.1-6 acyl;R.sub.3 represents H, C.sub.1-6 alkyl, aryl or aralkyl, or it may be absent;A represents CO or C.dbd.S;E represents nitrogen;D represents CO or CR.sub.4 R.sub.5 when the E--D bond is single, or D is C--R when the D--E bond is double, in which R.sub.4 represents H, C.sub.1-6 alkyl, aryl, aralkyl, hydroxy or C.sub.1-4 alkoxy and R.sub.5 represents H;X represents oxygen or N--R, or it is absent;Y represents a basic group selected from: ##STR2## in which n is 2 or 3; p is 0 or 1 at the same time or not; q is 0,2 or 3; R.sub.6 and R.sub.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: April 21, 1992
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Marco Turconi, Rosamarie Micheletti, Giovanni B. Schiavi, Arturo Donetti, Angelo Sagrada, Henri N. Doods
  • Patent number: 5103011
    Abstract: In the preparation of 2-chloro-5-methyl-pyridine of the formula ##STR1## by reacting 3-methyl-pyridine-1-oxide of the formula ##STR2## with a chlorinating agent, the improvement which comprises effecting the reaction in the presence of a chlorinating agent of the formula ##STR3## in which A represents oxygen or the grouping ##STR4## in which R.sup.2 and R.sup.3 individually represent alkyl, cycloalkyl or aryl or together represent alkanediyl or oxaalkanediyl andR.sup.1 represents hydrogen, chlorine, alkyl, cycloalkyl, aryl or the grouping ##STR5## in which R.sup.2 and R.sup.3 have the abovementioned meanings,and where, if R.sup.1 represents aryl, A must represent the grouping ##STR6## in the presence of a basic organic nitrogen compound and in the presence of a diluent at a temperature between about -20.degree. C. and +120.degree. C. The product is known to be useful in the systhesis of pharmaceuticals and insecticides.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: April 7, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Jelich, Dieter Kaufmann, Bernd Gallenkamp, Reinhard Lantzsch
  • Patent number: 5102891
    Abstract: There are disclosed various compounds of the formula below, ##STR1## where n is 0 or 1;X is hydrogen, halogen, nitro, amino, trifluoromethyl, loweralkyl, or loweralkoxy;Y is hydrogen, halogen, nitro, amino, trifluoromethyl, loweralkyl, or loweralkoxy;R.sub.1 is hydrogen, loweralkyl, arylloweralkyl, loweralkenyl, loweralkynyl, loweralkanoyl, arylloweralkanoyl, heteroarylloweralkyl or heteroarylloweralkanoyl;R.sub.2 is hydrogen, loweralkyl, formyl or cyano;R.sub.3 is hydrogen or loweralkyl;R.sub.4 is loweralkyl, arylloweralkyl, cycloalkyl, aryl or heteroaryl; or alternatively, --NR.sub.3 R.sub.4 taken together constitutes ##STR2## R.sub.5 being hydrogen, loweralkyl, aryl, arylloweralkyl, heteroaryl or heteroarylloweralkyl,which compounds are useful for the treatment of various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease.
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: April 7, 1992
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen, Joseph T. Klein, David G. Wettlaufer, Peter A. Nemoto
  • Patent number: 5100902
    Abstract: Compounds of formula I ##STR1## in which m represents an integer from 0 to 5, n represents an integer from 1 to 2, p is equal to 0, 1 or 2,X, Y and Z, which may be identical or different, each represent a hydrogen atom, a halogen atom, a linear or branched alkyl radical, a trifluoromethyl radical, an alkoxy radical, an alkylthio radical or a hydroxyl radical, andR represents a 2-benzofuranyl or 2,3-dihydro-2-benzofuranyl radical (it being possible for each to be substituted on the benzene ring), a 2,3,6,7-tetrahydrobenzo[1,2-b:4,5-b']difuran-2-yl radical, a 4-oxo-4H-chromen-2-yl radical (optionally substituted on the benzene ring), a benzocyclobutenyl radical of formula A or an indanyl radical of formula B: ##STR2## (in which: R.sub.1 and R.sub.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: March 31, 1992
    Assignee: Adir et Compagnie
    Inventors: Jean L. Peglion, Francis Colpaert
  • Patent number: 5101039
    Abstract: Disclosed are cis, exo- and trans-compounds of the formula I ##STR1## in which n denotes 0, 1 or 2, R.sub.1 denotes hydrogen (C.sub.1 -C.sub.6)-alkyl which can optionally be substituted by amino, (C.sub.1 -C.sub.4)-acyl- or bezoylamino, (C.sub.2 -C.sub.6)-alkenyl, (C.sub.5 -C.sub.9)-cycloalkyl, (C.sub.5 C.sub.9)-cycloalkenyl, (C.sub.5 -C.sub.7)-cycloalkyl-(C.sub.1 -C.sub.4)-alkyl, aryl or partially hydrogenated aryl, which can, in each case, be substituted by (C.sub.1 C.sub.2)-alkyl, (C.sub.1 -C.sub.2)-alkoxy or halogen, aryl-(C.sub.1 -C.sub.4)-alkyl, [which can be substituted as defined previously in the aryl radical], a monocyclic or bicyclic sulfur or nitrogen and/or nitrogen heterocyclic radical, or a side chain of naturally occurring aminoacid, R.sub.2 denotes hydrogen, (C.sub.1 -C.sub.6)-alkyl, (C.sub.2 -C.sub.6)-alkenyl or aryl-(C.sub.1 -C.sub.4)-alkyl, Y denotes hydrogen or hydroxyl, Z denotes hydrogen or Y and Z together denote oxygen, X denotes (C.sub.1 -C.sub.6)-alkyl, (C.sub.2 -C.sub.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: March 31, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hansjorg Urbach, Rainer Henning, Volker Teetz, Rolf Geiger, Reinhard Becker, Holger Gaul
  • Patent number: 5099019
    Abstract: Disclosed are .DELTA..sup.9(11) -steroids (VI) and amino substituted steroids (XI) which contain an amino group attached to the terminal carbon atom of the C.sub.17 -side chain, more particularly amino steroids (Ia and Ib), aromatic steroids (II), .DELTA..sup.16 -steroids (IIIa and IIIb), reduced A-ring steroids (IV), .DELTA..sup.17(20) -steroids (Va and Vb) and .DELTA..sup.9(11) -steroids (VI) which are useful as pharmaceutical agents for treating a number of conditions.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: March 24, 1992
    Assignee: Upjohn Company
    Inventors: John M. McCall, Donald E. Ayer, E. Jonathan Jacobsen, Frederick J. VanDoornik, John R. Palmer, Harold A. Karnes
  • Patent number: 5099032
    Abstract: A process for the preparation of enantiomerically homogeneous aminopyrrolidinyl naphthyridine carboxylic acids and quinolone carboxylic acids, and for the preparation of intermediates that are useful in the production of these carboxylic acids.
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: March 24, 1992
    Assignee: Abbott Laboratories
    Inventor: Daniel Tim-Wo Chu
  • Patent number: 5098916
    Abstract: Certain propanobicyclic amine compounds are described for treatment of CNS disorders such as psychotic disorders, convulsions, dystonia and cerebral ischemia. Compounds of particular interest are of the formula ##STR1## wherein each R.sup.1, R.sup.2, R.sup.3, R.sup.4, Y and Z is independently selected from hydrido, hydroxy, alkyl, cycloalkyl, cycloalkylalkyl, phenalkyl, phenyl, alkoxy, phenoxy, phenalkoxy, alkoxyalkyl, halo, haloalkyl and hydroxyalkyl; wherein R.sup.3 and R.sup.4 may be taken together to form oxo;wherein each of R.sup.9, R.sup.10, R.sup.11, R.sup.12, R.sup.13 and R.sup.14 is independently selected from hydrido, alkyl, cycloalkyl, hydroxyalkyl, fluoroalkyl, cycloalkylalkyl, alkoxyalkyl, henalkyl and phenyl; wherein G within the nitrogen-containing cyclohetero moiety is selected from ##STR2## wherein R.sup.15 is selected from hydrido, alkyl, cycloalkyl, cycloalkylalkyl, phenyl, phenalkyl, alkoxyalkyl and hydroxyalkyl; wherein each of R.sup.16 and R.sup.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: March 24, 1992
    Assignee: G. D. Searle & Co.
    Inventors: Nancy M. Gray, Brian K. Cheng
  • Patent number: 5096918
    Abstract: The invention concerns pharmaceutially useful heterocyclic nitromethane compounds of the formula I: ##STR1## in which ring Q is a heterocycle of 4 to 7 ring atoms, the fragment completing the ring Q having 2 to 5 atoms, one of which is carbon, oxygen, sulphur or a group of the formula --NRa--, and the remainder are carbon; Ra is hydrogen, (1-6C)alkyl, (2-6C)alkanoyl, trifluoroacetyl, phenyl, benzoyl, or phenyl(1-4C)alkyl, the latter three optionally substituted; and R.sup.1 R.sup.2 and R.sup.3 are independently hydrogen, hydroxy, (1-6C)alkyl, (1-6C)alkoxy, phenyl, phenoxy or phenyl(1-4C)alkyl, the last three optionally substituted, or two of R.sup.1, R.sup.2 and R.sup.3 situated on adjacent ring carbon atoms and together with said carbon atoms form a benzene ring fused to ring Q, the benzene ring itself optionally substituted, provided that when the fragment completion ring Q is of 3 atoms then at least one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen; and salts thereof.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: March 17, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventor: Keith B. Mallion