Plural Nitrogens In The Hetero Ring Patents (Class 540/492)
  • Patent number: 6218534
    Abstract: A process for the preparation of asymmetric cyclic ureas of Formula (VI) starting from the diamine of Formula (I).
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: April 17, 2001
    Assignee: Dupont Pharmaceuticals Company
    Inventors: Benjamin R. P. Stone, Luigi Anzalone, Joseph M. Fortunak, Gregory D. Harris, Ioannis I. Valvis, Robert E. Waltermire
  • Patent number: 6133256
    Abstract: Novel compounds, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds are useful in vitro or in vivo for preventing or treating coagulation disorders.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: October 17, 2000
    Assignee: Cor Therapeutics Inc
    Inventors: Robert M. Scarborough, Bing-Yan Zhu
  • Patent number: 6130231
    Abstract: This invention relates to novel fused heterocycles which are useful as antagonists of the .alpha..sub.v .beta..sub.3 and related integrin receptors, to pharmaceutical compositions containing such compounds, processes for preparing such compounds, and to methods of using these compounds, alone or in combination with other therapeutic agents, for the inhibition of cell adhesion, the treatment of angiogenic disorders, inflammation, bone degradation, cancer metastasis, diabetic retinopathy, thrombosis, restenosis, macular degeneration, and other conditions mediated by cell adhesion and/or cell migration and/or angiogenesis.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: October 10, 2000
    Assignee: DuPont Pharmaceuticals
    Inventors: John Wityak, Aleksandra Ewa Tobin
  • Patent number: 6124279
    Abstract: Compounds of formula I ##STR1## wherein G, J, L, M, m and D have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide antagonists of neurokinin A and useful for the treatment of asthma, etc. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: September 26, 2000
    Assignee: Zeneca Limited
    Inventor: Scott Carson Miller
  • Patent number: 6121258
    Abstract: The invention provides compounds of formula ##STR1## as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases.Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: September 19, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Neil Gregory Almstead, Rimma Sandler Bradley, Kelly Lynn McDow-Dunham, Biswanath De, Michael George Natchus, Yetunde Olabisi Taiwo, Thomas Lee Cupps
  • Patent number: 6103898
    Abstract: Cyclic urea derivatives of the formula I ##STR1## in which X, X', Y, Y' and Z can have various meanings, are prepared by a) reacting a urea derivative of the formula II ##STR2## with a diketone of the formula III ##STR3## and b) hydrogenating the product from step a) in the presence of a metal-containing catalyst.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: August 15, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Kramer, Wolfgang Siegel
  • Patent number: 6100252
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: August 8, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takehiko Naka, Yoshiyuki Inada
  • Patent number: 6090813
    Abstract: A compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein G, T.sup.1, T.sup.2 and T.sup.3 are selected from CH and N; provided that T.sup.2 and T.sup.3 are not both CH; A is selected from a direct bond and (1-4C)alkylene; X is selected from oxy, thio, sulphinyl, sulphonyl, carbonyl, carbonylamino, N-di-(1-6C)alkylcarbonylamino, sulphonamido, methylene, (1-4C)alkylmethylene and di-(1-6C)alkylmethylene, and when T.sup.2 is CH, X may also be selected from aminosulphonyl and oxycarbonyl; and Q is selected from (5-7C)cycloalkyl, a heterocyclic moiety containing up to 4 heteroatoms selected from nitrogen, oxygen and sulphur, phenyl, naphthyl, phenyl(1-4C)alkyl and phenyl(2-6C)alkenyl; for the manufacture of a medicament for treating diseases or medical conditions in which an inhibition of oxido-squalene cyclase is desirable.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: July 18, 2000
    Assignee: Zeneca Limited
    Inventors: David Waterson, Elaine Sophie Elizabeth Stokes, George Robert Brown, Robin Wood
  • Patent number: 6090944
    Abstract: The present invention relates to compounds and derivatives thereof, their synthesis, and their use as integrin receptor antagonists. More particularly, the compounds of the present invention are antagonists of the integrin receptors .alpha.v.beta.3, .alpha.v.beta.5 and/or .alpha.v.beta.6 and are useful for inhibiting bone resorption, treating and preventing osteoporosis, and inhibiting vascular restenosis, diabetic retinopathy, macular degeneration, angiogenesis, atherosclerosis, inflammation, inflammatory arthritis, viral disease, and tumor growth and metastasis.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: July 18, 2000
    Assignee: Merck & Co., Inc.
    Inventor: John H. Hutchinson
  • Patent number: 6005102
    Abstract: The present invention provides compounds useful in the synthesis of biologically active compounds, and processes for their production, the compounds having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 are, independently, selected from H; C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub.6 perfluorinated alkyl; X represents a leaving group; A is O or S; m is an integer from 1 to 3, preferably 2; R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are independently selected from H, halogen, --NO.sub.2, alkyl, alkoxy, C.sub.1 -C.sub.6 perfluorinated alkyl, OH or the C.sub.1 -C.sub.4 esters or alkyl ethers thereof, --CN, --O--R.sup.1, --O--Ar, --S--R.sup.1, --S--Ar, --SO--R.sup.1, --SO--Ar, --SO.sub.2 --R.sup.1, --SO.sub.2 --Ar, --CO--R.sup.1, --CO--Ar, --CO.sub.2 --R.sup.1, or --CO.sub.2 --Ar; and Y is selected from a) the moiety: ##STR2## wherein R.sub.7 and R.sub.8 are independently selected from the group of H, C.sub.1 -C.sub.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: December 21, 1999
    Assignee: American Home Products Corporation
    Inventors: Panolil Raveendranath, Joseph Zeldis, Galina Vid, John R. Potoski, Jianxin Ren, Silvio Iera
  • Patent number: 5998614
    Abstract: The present invention describes a method for the preparation of asymmetric N,N'-disubstituted cyclic ureas through the selective monodebenzylation of symmetric N,N'-disubstituted cyclic ureas using a dissolving metal reduction. The intermediates can be alkylated to give compounds which are useful as HIV protease inhibitors for the treatment of HIV infection.
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: December 7, 1999
    Assignee: DuPont Pharmaceuticals Company
    Inventors: Thomas E Smyser, Pasquale N. Confalone
  • Patent number: 5998406
    Abstract: A compound of Formula I: ##STR1## or a pharmaceutically acceptable salt thereof, which is antimicrobial agents, effective against various human and veterinary pathogens, including gram positive aerobic organisms, gram negative organisms, and anaerobic organisms.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: December 7, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventor: Jackson B. Hester, Jr.
  • Patent number: 5985867
    Abstract: The present invention describes indazoles of cyclic ureas of formula I: ##STR1## wherein X is a linker group and Y may be acyclic or cyclic, which are useful as inhibitors of HIV protease, and pharmaceutical compositions and diagnostic kits comprising the same.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: November 16, 1999
    Assignee: DuPont Pharmaceuticals Company
    Inventors: James D. Rodgers, Barry L. Johnson, Haisheng Wang
  • Patent number: 5965576
    Abstract: Compounds of formula I ##STR1## wherein Q.sup.1, Q.sup.2, Q.sup.3, and Q.sup.4 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide antagonists of neurokinin A and useful for the treatment of asthma, etc. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: October 12, 1999
    Assignee: Zeneca Limited
    Inventors: Ashokkumar Bhikkappa Shenvi, Robert Toms Jacobs, Scott Carson Miller, Cyrus John Ohnmacht, Jr., Chris Allan Veale
  • Patent number: 5932570
    Abstract: The present invention relates to compounds of formulae I and II: ##STR1## or pharmaceutically acceptable salt forms or prodrugs thereof, which are useful as inhibitors of HIV protease, and to pharmaceutical compositions and diagnostic kits comprising the same, and methods of using the same for treating viral infection or as an assay standard or reagent.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: August 3, 1999
    Assignee: DuPont Pharmaceuticals Company
    Inventors: James David Rodgers, Robert Frank Kaltenbach, III
  • Patent number: 5932733
    Abstract: The present invention discloses peptide aldehydes having a lactam group as part of the peptide backbone and having an original mimic group such as an amidinopiperidine or amidinophengyl 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.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 3, 1999
    Assignee: Corvas International, Inc.
    Inventors: Joseph E. Semple, Odile E. Levy, Ruth F. Nutt, William C. Ripka
  • Patent number: 5914332
    Abstract: A compound of the formula: ##STR1## is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: June 22, 1999
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner
  • Patent number: 5877170
    Abstract: This invention relates to novel substituted caprolactams, including 4-azacaprolactams, and derivatives thereof which inhibit HIV protease and are useful for treatment of HIV disease. Also included in this invention are pharmaceutical compositions containing such caprolactams, and to methods of using such caprolactams for the treatment of HIV disease.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: March 2, 1999
    Assignee: DuPont Pharmaceuticals Company
    Inventors: Carl Nicholas Hodge, Christina Howard Fernandez, Prabhakar Kondaji Jadhav, Patrick Yuk-Sun Lam
  • Patent number: 5877312
    Abstract: This invention relates to methods for preparing alkylating agents and use of the agents prepared. In particular, this invention relates to preparation methods for hydroxy halide and organooxy halide alkylating agents and their use for alkylating cyclic urea compounds.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: March 2, 1999
    Assignee: DuPont Pharmaceuticals Company
    Inventors: Prabhakar Kondaji Jadhav, George Clautice Emmett, Michael Ernest Pierce
  • Patent number: 5856326
    Abstract: The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: January 5, 1999
    Assignee: Merck & Co., Inc.
    Inventors: Neville J. Anthony, Terrence M. Ciccarone, Christopher J. Dinsmore, Robert P. Gomez, Theresa M. Williams, George D. Hartman
  • Patent number: 5731308
    Abstract: N,N-di(aryl) cyclic urea derivatives, such as the compounds of the following formula: ##STR1## wherein R.sup.1 is --C(NH)NH.sub.2, --C(NH)N(H)OR.sup.11, --C(NH)N(H)C(O)R.sup.9, or --C(NH)N(H)C(O)OR.sup.11 ;R.sup.2 and R.sup.3 are independently hydrogen, halo, lower alkyl, lower haloalkyl, aryl, --OR.sup.11, --C(O)OR.sup.11, --C(O)N(R.sup.11)R.sup.12, --N(R.sup.11)R.sup.12, --N(H)C(O)R.sup.11, or --N(H)S(O).sub.2 R.sup.11 ;R.sup.4 is halo, lower haloalkyl, imidazolyl, --C (NH)NH.sub.2, --C(NH)NHOR.sup.11, --C(NH)N(H)C(O)R.sup.9, --C(NH)N(H)C(O)OR.sup.11, --OR.sup.11, --C(O)R.sup.13, --(CH.sub.2).sub.n C(O)OR.sup.11 (where n is 0 to 6), --C(O)N(R.sup.11)R.sup.12, or --N(R.sup.11)R.sup.12 ;R.sup.7 and R.sup.8 are independently hydrogen, lower alkyl, lower haloalkyl, 4-pyridinyl, --C(O)OR.sup.11, --C(O)N(R.sup.11)R.sup.12, or aryl (optionally substituted by one or more substituents selected from the group consisting of halo, hydroxy, lower alkyl, lower haloalkyl, lower alkoxy and --N(R.sup.11)R.sup.12);R.sup.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: March 24, 1998
    Assignee: Berlex Laboratories, Inc.
    Inventors: Raju Mohan, Michael M. Morrissey
  • Patent number: 5683999
    Abstract: This invention relates to substituted cyclic ureas and derivatives thereof, including compounds of formula (II): ##STR1## said compounds being useful as inhibitors of HIV protease. The present invention also relates to pharmaceutical compositions comprising such compounds and to method of using these compounds for the treatment HIV infection. The present invention also relates to the use of such compounds in processes for the identification of HIV protease inhibitors and for the inhibition or detection of HIV in a bodily fluid sample.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: November 4, 1997
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventors: Prabhakar Kondaji Jadhav, Soo Sung Ko
  • Patent number: 5670497
    Abstract: This invention relates to substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors to pharmaceutical compositions comprising such compounds, and to methods of using these compounds for treating vital infection.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: September 23, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Guido Bold, Shripad S. Bhagwat, Alexander Fassler, Marc Lang
  • Patent number: 5663333
    Abstract: This invention relates to novel substituted caprolactams, including 4-azacaprolactams, and derivatives thereof which inhibit HIV protease and are useful for treatment of HIV disease. Also included in this invention are pharmaceutical compositions containing such caprolactams, and to methods of using such caprolactams for the treatment of HIV disease.
    Type: Grant
    Filed: March 30, 1993
    Date of Patent: September 2, 1997
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventors: Carl Nicholas Hodge, Christina Howard Fernandez, Prabhakar Kondaji Jadhav, Patrick Yuk-Sun Lam
  • Patent number: 5654294
    Abstract: Compounds of the formula ##STR1## are disclosed as possessing inhibotory activity against angiotensin converting enzyme (ACE) and neutral endopeptidase (NEP) and thus being useful as cardiovascular agents. Processes for preparing these compounds are also disclosed.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: August 5, 1997
    Assignee: Bristol-Myers Squibb
    Inventor: Jeffrey A. Robl
  • Patent number: 5646276
    Abstract: Compounds of the formula ##STR1## wherein X.sub.1 is ##STR2## are disclosed as possessing inhibotory activity against angiotensin converting enzyme (ACE) and neutral endopeptidase (NEP) and thus being useful as cardiovascular agents.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: July 8, 1997
    Assignee: Bristol-Myers Squibb Co.
    Inventor: Jeffrey A. Robl
  • Patent number: 5637780
    Abstract: This invention relates to methods for preparing alkylating agents and use of the agents prepared. In particular, this invention relates to preparation methods for hydroxy halide and organooxy halide alkylating agents and their use for alkylating cyclic urea compounds.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: June 10, 1997
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventors: Prabhakar K. Jadhav, George C. Emmett, Michael E. Pierce
  • Patent number: 5637689
    Abstract: A compound (I) is prepared by reaction of at least one (meth) acrylate (II) with a heterocyclic alcohol (III), in the presence of at least one catalyst chosen from the chelates of calcium with 1,3-dicarbonyl compounds, such as calcium acetylacetonate. ##STR1## R.sup.1 =H, CH.sub.3 ; A, B=C.sub.2 -C.sub.5 alkylene; R.sup.2 =C.sub.1 -C.sub.4 alkyl.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: June 10, 1997
    Assignee: Elf Atochem S.A.
    Inventors: Gilles Herbst, Alain Riondel
  • Patent number: 5635504
    Abstract: Compounds of the formula ##STR1## wherein: ##STR2## A is are dual inhibitors of NEP and ACE. Compounds wherein A is ##STR3## are selective ACE inhibitors.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: June 3, 1997
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Denis E. Ryono, Chong-Oing Sun
  • Patent number: 5610294
    Abstract: This invention relates to substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors, to pharmaceutical compositions comprising such compounds, and to methods of using these compounds for treating viral infection. A representative compound of the invention is the compound of formula: ##STR1## wherein R.sup.22 and R.sup.23 are allyl.
    Type: Grant
    Filed: February 16, 1994
    Date of Patent: March 11, 1997
    Assignee: The Du Pont Merck Pharmaceutical Company
    Inventors: Patrick Y. Lam, Prabhakar K. Jadhav, Charles J. Eyermann, Carl N. Hodge, George V. De Lucca, James D. Rodgers
  • Patent number: 5610313
    Abstract: A compound (I) is prepared by reacting at least one (meth)acrylate (II) with a heterocyclic alcohol (III), in the presence of a catalyst consisting of a mixture formed (a) of at least one magnesium alkoxide and (b) of a component chosen from the chelates of calcium with 1,3-dicarbonyl compounds, dialkyltin oxides, dialkyltin alkoxides and dialkyltin diesters. ##STR1## R=C.sub.1 -C.sub.4 alkyl. R.sup.1 =H, CH.sub.3 ; A, B=straight or branched C.sub.2 -C.sub.5 hydrocarbon chain; R.sup.2 =C.sub.1 -C.sub.4 alkyl.
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: March 11, 1997
    Assignee: ELF Atochem S.A.
    Inventors: Alain Riondel, Gilles Herbst, Andr e Levray
  • Patent number: 5591846
    Abstract: New nonionic radiographic contrast agents having the formula ##STR1## wherein Y is a single bond, ##STR2## R.sub.1, R.sub.1 ' and R.sub.2 are the same or different and are hydrogen, alkyl or hydroxyalkyl.Hydroxyalkyl refers to such alkyl groups having 1 or more hydroxy groups. Preferred hydroxyalkyl groups include: ##STR3## R.sub.3 and R.sub.4 are the same or different and are hydrogen, methyl or --CH.sub.2 CH.sub.2 OH; R.sub.5 is hydrogen, alkyl, --CH.sub.2 CH.sub.2 OH, CH.sub.2 OH or OH and R.sub.6 is alkyl, --CH.sub.2 CH.sub.2 OH, CH.sub.2 OH, OH or hydrogen and may be the same or different than R.sub.5 and m is zero or one, with the proviso that no methylene or methine carbon atom of the heterocyclic ring is attached to both a nitrogen and an oxygen atom with the additional proviso that when Y is a single bond, m is not zero. These new contrast agents are water soluble and have desirable low osmolality and anticoagulant properties.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: January 7, 1997
    Assignee: Bracco International B.V.
    Inventors: Ramachandran S. Ranganathan, Thangavel Arunchalam, Edmund R. Marinelli, Radhakrishna K. Pillai
  • Patent number: 5567826
    Abstract: Described is a process for producing (meth)acrylates with Formula (I) ##STR1## with R.sub.1 is H or CH.sub.3, and A and B are each independently unbranched or branched alkylene groups with 2 to 5 C atoms, comprising the step of reacting a (meth)acrylate of the Formula (II), ##STR2## wherein R.sub.2 is alkyl especially with 1 to 4 C atoms and R.sub.1 is as defined above, with an alcohol of the Formula (III) ##STR3## wherein A and B are as defined above in the presence of an alkali earth catalyst or alkaline earth metal catalyst or a mixture thereof.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: October 22, 1996
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Joachim Knebel, Peter J. Arndt, Werner Ude
  • Patent number: 5559110
    Abstract: Compositions comprising a cyclic urea type compound in a liquid or solid vehicle comprising a fatty acid ester of glycerol, or a fatty acid ester of polyethylene glycol, or a mixture thereof, wherein said vehicle has an hydrophil-lipophil balance of at least about 10, and, optionally, other excipients are described. The compositions are useful for providing good systemic absorption of the cyclic urea compounds when administered enterally, especially orally. The subject compounds and compositions are useful for treating viral infections, particularly HIV infection, in a mammal.
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: September 24, 1996
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventor: Bruce J. Aungst
  • Patent number: 5552409
    Abstract: This invention relates to substituted dihydropyridazinones, pyridazinones and related compounds, of the formula ##STR1## wherein A, Q, D and R.sup.1 are as defined within, compositions containing these compounds and methods of controlling agricultural and mammalian fungal diseases.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: September 3, 1996
    Assignee: Rohm and Haas Company
    Inventors: Enrique L. Michelotti, Anne R. Egan, Ronald Ross, Jr., Willie J. Wilson
  • Patent number: 5532356
    Abstract: The present invention relates to methods for the preparation of disubstituted cyclic ureas of the formula (IV): ##STR1## from linear diaminodiols. These cyclic urea compounds are useful as HIV protease inhibitor compounds for the treatment of HIV infection.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 2, 1996
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventors: Thomas E. Smyser, Pasquale N. Confalone
  • Patent number: 5532357
    Abstract: The present invention relates generally to methods for the preparation of unsymmetrically substituted cyclic ureas of the formulae ##STR1## which are useful as HIV protease inhibitors. The methods provided go through an isourea intermediate.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 2, 1996
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventors: James D. Rodgers, Jung-Hui Sun
  • Patent number: 5508400
    Abstract: This invention relates to the preparation of cyclic urea compounds. More specifically, this invention is directed to methods for selectively alkylating diamines, methods for selectively converting a mixture of alkylated and non-alkylated diamines to cyclic urea compounds, methods to purify cyclic urea compounds having a single N-substitution, methods to convert a cyclic urea compound having a single N-substitution to a cyclic urea compound having either symmetrical or non-symmetrical N,N'-disubstitution, and methods to remove protecting groups from cyclic urea compounds.
    Type: Grant
    Filed: April 20, 1994
    Date of Patent: April 16, 1996
    Assignee: The Du Pont Merck Pharmaceutical Company
    Inventors: Wendell W. Wilkerson, James D. Rodgers
  • Patent number: 5489594
    Abstract: This invention relates to compounds having the following formula ##STR1## or a pharmaceutically acceptable salt thereof which are useful in the inhibition of platelet aggregation, to pharmaceutical compositions of such phenylamidines derivatives, and to a method of inhibiting platelet aggregation in mammals by administering such compounds and compositions.
    Type: Grant
    Filed: March 30, 1995
    Date of Patent: February 6, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Philippe R. Bovy, Joseph G. Rico, Thomas E. Rogers
  • Patent number: 5488112
    Abstract: The invention relates to dimeric 2-(2'-hydroxyphenyl)benzotriazoles of the formula I ##STR1## in which p is 0 or 1; is C.sub.1 -C.sub.12 alkylene;R.sub.1 and R'.sub.1, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.18 aklyl, C.sub.1 -C.sub.18 alkoxy or --CN;R.sub.2 and R'.sub.2, independently of one another, are hydrogen or C.sub.1 -C.sub.18 alkyl or together are C.sub.2 -C.sub.12 alkylene or C.sub.2 -C.sub.12 hydroxyalkylene; andR.sub.3 and R'.sub.3, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.18 alkyl or C.sub.1 -C.sub.18 alkoxy.The compounds of formula I are highly suitable for the stabilization of organic material against the harmful effects of heat, oxygen and light, in particular UV radiation.
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: January 30, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Reinehr, Jean-Pierre Bacher, Andre Schmitter
  • Patent number: 5466803
    Abstract: Novel piperidine-triazine compounds of the formula (I) useful as light stabilizers, heat stabilizers and antioxidants for organic materials.The meanings of R.sub.1, R.sub.2, R.sub.3, R.sub.4, X.sub.1, X.sub.2, X.sub.3, Y.sub.1, Y.sub.2, M and N are defined in the text.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: November 14, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Valerio Borzatta, Graziano Vignali
  • Patent number: 5455243
    Abstract: Fibrinogen receptor antagonists of the formula: ##STR1## such as ##STR2## are disclosed for use in inhibiting the binding of fibrinogen to blood platelets and for inhibiting the aggregation of blood platelets.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: October 3, 1995
    Assignee: Merck & Co., Inc.
    Inventors: Mark E. Duggan, Melissa S. Egbertson, Nathan Ihle, George D. Hartman, Laura M. Turchi, William F. Hoffman
  • Patent number: 5438118
    Abstract: Peptide mimics, having a constrained peptide backbone conformation, are HIV protease inhibitors. A compound of this invention is, for example, 3-Benzyl-5(alaninyl-1-aminoethyl)-2,3,6,7-tetrahydro-N-azepinyl-2-propiony l-valinyl-valinyl methyl ester.
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: August 1, 1995
    Assignee: SmithKline Beechman Corp.
    Inventors: James F. Callahan, William F. Huffman, Michael L. Moore, Kenneth A. Newlander
  • Patent number: 5430028
    Abstract: A 5-aminoquinolone carboxylic acid derivative represented by the following general formula (1): ##STR1## wherein R.sup.1 means a hydrogen atom, an amino group, a linear or branched alkyl group having 1-5 carbon atoms and an alkylamino group containing a linear or branched alkyl group having 1-5 carbon atoms, R.sup.2 denotes a hydrogen atom or a linear or branched alkyl group having 1-5 carbon atoms, X stands for a halogen atom, Y means CH.sub.2, NH, CHR.sup.3 NR.sup.3, (R.sup.3 denoting a linear or branched alkyl group having 1-5 carbon atoms) or an oxygen atom, and Z stands for an oxygen atom or 2 hydrogen atoms, or a salt thereof, and an antibacterial agent containing such a derivative or salt as an active ingredient.The derivative or salt thereof exhibits strong anti-bacterial activities against Grampositive bacteria including tolerant bacteria, and is satisfactorily absorbed in a living body.
    Type: Grant
    Filed: January 26, 1994
    Date of Patent: July 4, 1995
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Terumitsu Kaihoh, Sunao Takeda, Fujiko Konno, Akihiro Shibata, Masaru Matsumoto, Takemitsu Asaoka, Hideaki Matsuda, Tadayuki Kuraishi
  • Patent number: 5385900
    Abstract: A quinolone carboxylic acid derivative having the following formula (1), ##STR1## wherein R.sup.1 is a hydrogen atom, an alkyl group, an aralkyl group, an ester residual group which can be hydrolyzed in living bodies, R.sup.2 is a hydrogen atom or an amino group which may be substituted by one or two lower alkyl groups, X is a hydrogen atom or a halogen atom, Y is CH.sub.2, O, S, SO, SO.sub.2, or N--R.sup.3, wherein R.sup.3 is a hydrogen atom or a lower alkyl group, and Z is an oxygen atom or two hydrogen atoms; or a salt thereof; and an antimicrobial agent comprising the same. The compound exhibits a superior antimicrobial activity, especially against gram positive microorganisms, and is thus useful for the treatments and prevention of various infectious diseases in clinics.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: January 31, 1995
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Fujiko Konno, Akihiro Shibata, Hideaki Matsuda, Takemitsu Asaoka, Ryuichi Kawahara, Naokata Taido, Tadayuki Kuraishi, Sunao Takeda
  • Patent number: 5321023
    Abstract: This invention provides pyrido[4',3':2:3]indolo-[1,7-ab][1,5]benzodiazepines, pharmaceutical compositions containing these compounds, and methods of using these compounds to treat physiological or drug induced psychosis and/or dyskinesia.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: June 14, 1994
    Assignee: The Du Pont Merck Pharmaceutical Co.
    Inventor: Parthasarathi Rajagopalan
  • Patent number: 5310767
    Abstract: The present invention relates to novel tetramethylpiperidine compounds of the formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen or methyl, R.sub.2 and R.sub.3 are e.g. --(CH.sub.2).sub.2 --, R.sub.4 is e.g. --CO--, --COCO-- or --COCH.sub.2 CO--, n is e.g. 1 and R.sub.5 is e.g. hydrogen or allyl.These compounds are suitable for use as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: May 10, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Valerio Borzatta, Graziano Vignali
  • Patent number: 5302589
    Abstract: The present invention relates to certain substituted 17 .beta.-substituted carbonyl-6-azaandrost-4-en-3-ones of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 arei) independently hydrogen or lower alkyl and the bond between the carbons bearing R.sup.1 and R.sup.2 is a single or a double bond, orii) taken together are a --CH.sub.2 -- group to form a cyclopropane ring, and the bond between the carbons bearing R.sup.1 and R.sup.2 is a single bond;X is ##STR2## wherein R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are independently hydrogen or lower alkyl,p and q are independently either 0 or 1;R.sup.3 is lower alkyl, lower alkenyl, lower cycloalkyl, lower alkoxy, thiopyridyl, adamantyl, --NR.sup.9 R.sup.10 or --Ar--NR.sup.9 R.sup.10whereinR.sup.9 and R.sup.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: April 12, 1994
    Assignee: Glaxo, Inc.
    Inventors: Stephen V. Frye, David Middlemiss, Francis G. Fang
  • Patent number: 5281585
    Abstract: Fibrinogen receptor antagonists of the formula: ##STR1## are disclosed for use in inhibiting the binding of fibrinogen to blood platelets and for inhibiting the aggregation of blood platelets.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: January 25, 1994
    Assignee: Merck & Co., Inc.
    Inventors: Mark E. Duggan, Melissa S. Egbertson, Nathan Ihle, George D. Hartman, Laura M. Turchi, William F. Hoffman
  • Patent number: 5248683
    Abstract: Compounds of the formula ##STR1## in which A.sub.1 and A.sub.2 independently of one another are CO--C.sub.1 -C.sub.4 alkyl, COO--C.sub.1 -C.sub.4 alkyl, CO--CF.sub.3, CO--N(R).sub.2 or cyano;A.sub.1 and A.sub.2 together are CO(X).sub.n --C.sub.1 -C.sub.3 alkylene-(X).sub.n CO, CO(X).sub.n --C.sub.1 -C.sub.3 alkylene-(X).sub.n CO which is substituted by C.sub.1 -C.sub.4 alkyl, COOR, CON(R).sub.2, cyano or phenyl, it being possible for the phenyl ring, in turn, to be substituted by halogen, methyl, trifluoromethyl, methoxy, nitro or cyano; CO--N(R)--CO--N(R)--CO;R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 alkenyl or C.sub.3 -C.sub.6 alkynyl;X is oxygen, sulfur or N(CH.sub.3);X.sub.1, X.sub.2 and X.sub.3 independently of one another are hydrogen, halogen, methyl, methylthio, methoxy or nitro;n is 0 or 1;including the salts of the compounds of the formula I with agriculturally acceptable organic or inorganic bases, and including the metal complexes; have valuable microbicidal properties.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: September 28, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans-Georg Brunner, Walter Kunz, Rolf Schurter