Phosphorus Attached Directly To The Six-membered Hetero Ring By Nonionic Bonding Patents (Class 546/21)
  • Publication number: 20030153762
    Abstract: A process for preparing 1H-imidazo[4,5-c]quinolin-4-amines is disclosed. The process involves reacting a 6H-imidazo[4,5-c]tetrazolo[1,5-a]quinoline with triphenylphosphine and hydrolyzing the product thereof.
    Type: Application
    Filed: February 6, 2003
    Publication date: August 14, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: John F. Gerster, Kyle J. Lindstrom
  • Patent number: 6579989
    Abstract: A sulphostin analogue represented by the general formula, wherein n is an integer of from 0 to 3, provided that a case where n is 2 and steric configurations of C* and P* are S and R, respectively, is excluded, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: June 17, 2003
    Assignee: Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
    Inventors: Tomio Takeuchi, Yasuhiko Muraoka, Masatoshi Abe, Tetsuo Akiyama, Shigeko Harada
  • Publication number: 20030065181
    Abstract: The present invention relates to novel chiral phosphorus compounds which can be readily prepared from quinoline derivatives as inexpensive starting compounds and have the general formula I 1
    Type: Application
    Filed: February 1, 2002
    Publication date: April 3, 2003
    Inventors: Walter Leitner, Giancarlo Francio, Felice Faraone, Carmela Arena
  • Publication number: 20030032808
    Abstract: This invention provides an amido ligand and its synthesis. Use of the amide ligand in a variety of metal complexes, and transition metals in particular, is also provided.
    Type: Application
    Filed: April 2, 2002
    Publication date: February 13, 2003
    Inventors: Jonas C. Peters, Steven D. Brown, Seth B. Harkins
  • Patent number: 6518258
    Abstract: The invention relates to a compound of formula (I): wherein: X represents chlorine or fluorine or CF3, R represents hydrogen or a group and methods for using the same.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: February 11, 2003
    Assignee: Les Laboratoires Servier
    Inventors: Alex Cordi, Patrice Desos, Pierre Lestage
  • Publication number: 20030027797
    Abstract: This invention provides compounds of Formula I having the structure 1
    Type: Application
    Filed: September 5, 2002
    Publication date: February 6, 2003
    Applicant: Wyeth
    Inventors: Fuk-Wah Sum, Baihua Hu
  • Patent number: 6498170
    Abstract: This invention provides compounds of Formula I having the structure wherein R1, R2, R3, W, X, and Z are as defined hereinbefore or a pharmaceutically acceptable salt thereof, which are useful in treating metabolic disorders related to insulin resistance or hyperglycemia.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: December 24, 2002
    Assignee: Wyeth
    Inventors: Fuk-Wah Sum, Baihua Hu
  • Publication number: 20020187928
    Abstract: The invention provides a compound of formula (I): 1
    Type: Application
    Filed: May 30, 2001
    Publication date: December 12, 2002
    Inventors: Lixin Qiao, Rene Etcheberrigaray
  • Publication number: 20020188127
    Abstract: A process for preparing 1H-imidazo[4,5-c]quinolin-4-amines is disclosed. The process involves reacting a 6H-imidazo[4,5-c]tetrazolo[1,5-a]quinoline with triphenylphosphine and hydrolyzing the product thereof.
    Type: Application
    Filed: June 26, 2002
    Publication date: December 12, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: John F. Gerster, Kyle J. Lindstrom
  • Patent number: 6486143
    Abstract: The invention relates to a compound of formula (I): wherein: R1 represents halogen or a group CF3, R2 represents hydrogen or alkyl or cycloalkyl, R3 is as defined in the description, R4 and R5 represent hydrogen or alkyl, cycloalkyl, aryl or arylalkyl a group Medicaments.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: November 26, 2002
    Assignee: Les Laboratoires Servier
    Inventors: Alex Cordi, Patrice Desos, Pierre Lestage
  • Patent number: 6479471
    Abstract: The present disclosure relates to dipeptidase inhibitors, and more particularly, to novel phosphonate derivatives, hydroxyphosphinyl derivatives, and phosphoramidate derivatives that inhibit N-Acetylated &agr;-Linked Acidic Dipeptidase (NAALADase) enzyme activity, pharmaceutical compositions comprising such derivatives, and methods of using such derivatives to inhibit NAALADase activity, and to treat prostate diseases, especially using the compounds of the present invention for the inhibition of the growth of prostate cancer cells.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: November 12, 2002
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Paul F. Jackson, Barbara S. Slusher, Kevin L. Tays, Keith M. Maclin
  • Publication number: 20020161227
    Abstract: A substituted aromatic compound substituted with Q is obtained by reacting a phosphazenium compound represented by formula (1) 1
    Type: Application
    Filed: December 20, 2001
    Publication date: October 31, 2002
    Inventors: Tadahito Nobori, Setsuko Fujiyoshi, Isao Hara, Takaomi Hayashi, Atsushi Shibahara, Katsuhiko Funaki, Kazumi Mizutani, Shinji Kiyono
  • Publication number: 20020128208
    Abstract: The disclosed invention is a composition agonists and/or antagonists of V2, V1a or both receptors, in a host, including animals, and especially humans, using a small molecule or its pharmaceutically acceptable salt or prodrug.
    Type: Application
    Filed: December 17, 2001
    Publication date: September 12, 2002
    Inventors: James P. Snyder, Dennis C. Liotta, Hariharan Venkatesan, Minmin Wang, Matthew C. Davis
  • Patent number: 6420386
    Abstract: The invention relates to a compound of formula (I): wherein: R1 represents halogen or a group CF3, R2 represents aryl or heteroaryl, R3 and R4 are as defined in the description and methods for using the same.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: July 16, 2002
    Assignee: Les Laboratories Servier
    Inventors: Alex Cordi, Patrice Desos, Pierre Lestage
  • Publication number: 20020077479
    Abstract: The invention relates to the combinatorial approaches to the preparation of novel polymer-supported heteroatom bidentate (PN, PO, PS) ligand libraries and the corresponding free compounds after cleavage from the supports. These compounds are useful as novel ligands in the preparation of metal-containing catalysts.
    Type: Application
    Filed: April 11, 2001
    Publication date: June 20, 2002
    Inventor: George Y. Li
  • Patent number: 6395749
    Abstract: The present invention provides carboxamine compounds, methods and compositions for inhibiting PARP activity.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: May 28, 2002
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Publication number: 20020058814
    Abstract: The invention relates to the preparation of enantiomerically pure bis-diphenylphosphine oxides in a particularly advantageous manner by (1) reacting an aromatic bromine compound with a diphenylphosphinic chloride in a mixture of tetrahydrofuran and an aromatic hydrocarbon to give a diphenylphosphine oxide, which is isolated from a solution in an aromatic hydrocarbon by adding a saturated aliphatic hydrocarbon; (2) metalating the resulting diphenylphosphine oxide in the 6-position and reacting the metalated diphenylphosphine oxide with iodine at temperatures not less than −25° C.
    Type: Application
    Filed: November 13, 2001
    Publication date: May 16, 2002
    Inventors: Torsten Pohl, Thomas Prinz, Guido Giffels, Wolfram Sirges
  • Publication number: 20020058646
    Abstract: The present invention is directed to a series of substituted pyridine compounds, a method for selectively controlling neurotransmitter release in mammals using these compounds, and pharmaceutical compositions containing these compounds. Preferred compounds are 3′-(5′- and/or 6′-substituted) pyridyl ethers.
    Type: Application
    Filed: February 1, 2001
    Publication date: May 16, 2002
    Inventors: Nan-Horng Lin, Liming Dong
  • Patent number: 6380333
    Abstract: Olefin co- or homopolymers having a good molecular weight and short chain branching may be prepared in the presence of a pyridyl bridged bisphosphinimine complex of a Group 8, 9 or 10 metal.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: April 30, 2002
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Wei Xu, Qinyan Wang
  • Publication number: 20020022605
    Abstract: This invention provides compounds of Formula I having the structure 1
    Type: Application
    Filed: July 12, 2001
    Publication date: February 21, 2002
    Applicant: American Home Products Corporation
    Inventors: Fuk-Wah Sum, Baihua Hu
  • Publication number: 20020016504
    Abstract: To provide a process for preparing phosphine oxides comprising reacting iminophosphoranes with phosphorus oxytrichloride by which highly purified phosphine oxides can be obtained industrially in a higher yield.
    Type: Application
    Filed: August 24, 2001
    Publication date: February 7, 2002
    Inventors: Tadahito Nobori, Isao Hara, Katsuhiko Funaki, Takaomi Hayashi, Atsushi Shibahara, Shinji Kiyono, Kazumi Mizutani, Usaji Takaki
  • Patent number: 6344560
    Abstract: A nitroaromatic compound is used to enhance the solubility of a nitroxyl compound in an aromatic hydrocarbon solvent.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: February 5, 2002
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Brendan J. Geelan, Brigitte Benage, Gerald J. Abruscato, Kirk A. Schlup, Ruben S. Grewal, Andrew J. Eisenstein
  • Publication number: 20010031746
    Abstract: The invention relates to a compound of formula (I): 1
    Type: Application
    Filed: February 15, 2001
    Publication date: October 18, 2001
    Inventors: Alex Cordi, Patrice Desos, Pierre Lestage
  • Patent number: 6294545
    Abstract: A compound of formula (I) wherein A is a bidentate group of the formula: XC═CY or XCH—CHY (wherein X and Y are independently hydrogen, hydroxy, acyloxy, alkoxy, cyano or halogen); and Ar is optionally substituted phenyl or optionally substituted heteroaryl; or an acid addition salt, quaternary ammonium salt or N-oxide derived therefrom; provided that when A is CH2—H2 then Ar is neither 5-chloropyrid-3-yl nor 5-trifluoromethylpyrid-3-yl; an insecticidal, acaricidal or nematicidal composition comprising an insecticidally, acaricidally or nematicidally effective amount of a compound of formula (I); a method of using a compound of formula (I) to combat or control insect, acarine or nematode pests; and processes for preparing a compound of said formula.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: September 25, 2001
    Assignee: Syngenta Limited
    Inventors: Christopher John Urch, Roger Salmon
  • Patent number: 6271378
    Abstract: Disclosed is a process for preparing a compound having the formula: wherein R1 is selected from the group consisting of: alkyl, alkenyl, alkynyl, aryl, aralkyl, cycloalkyl, and cycloalkylalkyl, R1 being optionally substituted by substituents selected from halo, —OH, alkyl, alkoxy, or —CF3, said process comprising the following steps: (a) reacting a ketone having the formula with a carbanion having the formula wherein R1 is as defined above, and R2 and R3 are independently selected from the group consisting of —ORA and —RA, wherein RA is alkyl, phenyl, substituted phenyl, cycloalkyl, substituted cycloalkyl, cycloalkylalkyl, or substituted cycloalkylalkyl; (b) treating the reaction mixture from step (a) with a protonating agent; and (c) thermally decomposing the product of 16, to form the compound of formula (I). The compounds made by this process have antihistaminic activity, e.g., loratadine.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: August 7, 2001
    Assignee: Schering Corporation
    Inventors: Henry J. Doran, Pat M. O'Neill
  • Patent number: 6262222
    Abstract: Copolymers containing N-vinyllactam derivatives protected at 3-position are provided and represented by the following formula. The copolymers are used as a photoresist material suitable for deep uv process so that high sensitivity and resolution can be obtained. In addition, ultrafine circuits can be formed and an exceptional improvement in PED stability can be accomplished by use of the photoresist.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: July 17, 2001
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Jin Baek Kim, Min Ho Jung, Jong Ho Cheong
  • Patent number: 6221898
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3, Y, n and B have meanings given in the description which are useful as competitive inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (e.g. thrombosis) or as anticoagulants.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: April 24, 2001
    Assignee: Astra Aktiebolag
    Inventor: Thomas Antonsson
  • Patent number: 6201123
    Abstract: A catalyst composition for organic a symmetric synthesis is provided, which comprises: (A) a lanthanoid element ion; (B) a binaphthol, and (C) a nitrogen and/or phosphorus compound such as lutidine-N-oxide, 1,3-dimethyl-2-imidazolldinone, hexamethyl-phosphortriamide, triphenylphosphine oxide, tri(2-methylphenyl)phosphine oxide or tri(4-methylphenyl )phosphine oxide. Asymmetric epoxidation of an enone is conducted by allowing an enone to react with an oxidizing agent in the presence of the catalyst composition or a catalyst solution containing the catalyst composition.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: March 13, 2001
    Assignee: Techno Polymer Co., Ltd.
    Inventors: Kazuhiro Daikai, Masahiro Kamaura, Takeshi Hanamoto, Junji Inanaga
  • Patent number: 6172050
    Abstract: Phospholipid derivatives of Formula X: wherein A is the ring system in which R is a linear or branched alkyl radical having 10 to 24 carbon atoms which may contain one or more double or triple bonds; R1 and R2 are independently hydrogen or linear alkyl radicals having 1 to 3 carbon atoms; y is 0, 1, 2 or 3; m and n are independently 0 or in an integer, with the proviso that m+n is between 2 and 8; or A is a tropanio or quinuclidinio ring system, which is linked via a carbon-carbon bond and is optionally substituted by one or more methyl groups; processes for the preparation of the derivatives, and methods for treating tumors therewith.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: January 9, 2001
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Gerhard Nössner, Bernhard Kutscher, J{umlaut over (u)}rgen Engel, Wolfgang Schumacher, Jurij Stekar, Peter Hilgard
  • Patent number: 6121278
    Abstract: A compound of formula I: ##STR1## or a pharmaceutically acceptable salt, hydrate, ester, solvate, prodrug, metabolite, stereoisomer, or mixtures thereof, wherein:Y represents the atoms necessary to form a fused 5- to 6-membered, aromatic or non-aromatic, heterocyclic ring containing at least one nitrogen heteroatom in a 1,3-relationship with the nitrogen atom depicted in formula I, wherein Y may be unsubstituted or substituted with at least one alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, aryl, double bonded oxygen, or --COOR.sup.5 group, or a moiety selected from the group consisting of: ##STR2## wherein R.sup.5 and R.sup.7 are independently hydrogen or alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, or aryl.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: September 19, 2000
    Assignee: Guilford Pharmaceuticals, Inc.
    Inventors: Paul F. Jackson, Keith M. Maclin, Jie Zhang
  • Patent number: 6117885
    Abstract: Compounds of the formula ##STR1## wherein X, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, A, B, D and E are as defined herein. These compounds inhibit the action of angiotensin II and are useful, therefore, for example, as antihypertensive agents.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: September 12, 2000
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Denis Evan Ryono, John Lloyd
  • Patent number: 6051678
    Abstract: Copolymers containing N-vinyllactam derivatives protected at 3-position are provided and represented by the following formula. The copolymers are used as a photoresist material suitable for deep uv process so that high sensitivity and resolution can be obtained. In addition, ultrafine circuits can be formed and an exceptional improvement in PED stability can be accomplished by use of the photoresist.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: April 18, 2000
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Jin Baek Kim, Min Ho Jung, Jong Ho Cheong
  • Patent number: 6028216
    Abstract: The present invention relates to asymmetric syntheses and intermediates for preparing enantiomer-enriched hydroxyphosphinyl derivatives.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: February 22, 2000
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Guillermo Morales, Weixing Li, Paul F. Jackson
  • Patent number: 6025344
    Abstract: The present disclosure relates to dipeptidase inhibitors, and more particularly, to novel phosphonate derivatives, hydroxyphosphinyl derivatives, and phosphoramidate derivatives that inhibit N-Acetylated .alpha.-Linked Acidic Dipeptidase (NAALADase) enzyme activity, pharmaceutical compositions comprising such derivatives, and methods of using such derivatives to inhibit NAALADase activity, and to treat prostate diseases, especially using the compounds of the present invention for the inhibition of the growth of prostate cancer cells.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: February 15, 2000
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Paul F. Jackson, Barbara S. Slusher, Kevin L. Tays, Keith M. Maclin
  • Patent number: 6002006
    Abstract: A compound of the formula ##STR1## wherein alc.sub.1, alc.sub.2 and alc.sub.3 are alkyl of up to 8 carbon atoms, n is an integer from 0 to 8, R.sub.1 and R.sub.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: December 14, 1999
    Assignee: Hoechst Marion Roussel
    Inventors: Alain Bonnet, Raphael Bouchet, Daniel Guilmard, Alain Mazurie
  • Patent number: 5990352
    Abstract: A salt useful as an active species in an organic reaction and represented by the following chemical formula (1): ##STR1## wherein n stands for an integer of from 1 to 8, Z.sup.n- represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positive integer, and Rs represent the same or different hydrocarbon groups. In addition, a simple and efficient process is provided for producing a poly(alkylene oxide) by polymerizing an alkylene oxide compound in the presence of the salt represented by the chemical formula (1).
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: November 23, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono, Yoshiho Sonobe, Usaji Takaki
  • Patent number: 5985855
    Abstract: The present invention includes compositions and methods of treatment for glutamate abnormalities and associated nervous tissue insult in a animal by inhibition of NAALADase enzyme. Compositions include glutamate-derived hydroxyphosphinyl derivative compounds, acidic peptide analogs, phosphinic acid derivatives and mixtures thereof that inhibit NAALADase enzyme activity and their use for treating glutamate abnormalities such as created by global and focal ischemia.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: November 16, 1999
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Barbara S. Slusher, Paul F. Jackson
  • Patent number: 5968252
    Abstract: Compounds of formula ##STR1## wherein R and R' are each independently of the other hydrogen, C.sub.1 -C.sub.18 alkyl, COR.sub.1, COR.sub.2 or COOR.sub.1,X and X' are each independently of the other hydrogen, halogen, OH, NH.sub.2, COOH, C.sub.1 -C.sub.18 -alkyl, isocyclic or heterocyclic aromatic radicals, OR.sub.3, OCOR.sub.3, OCOR.sub.4, OCOR.sub.3, NHR.sub.3, N(R.sub.3).sub.2, NHCOR.sub.3, NHCOR.sub.4 or NHCOOR.sub.3,Y and Y' are each independently of the other hydrogen, halogen, OH, NH.sub.2, nitro, cyano, C.sub.1 -C.sub.18 alkyl, isocyclic or heterocyclic aromatic radicals, COR.sub.5, COR.sub.6, COOR.sub.5, COOR.sub.6, CONH.sub.2, SO.sub.2 R.sub.5, SO.sub.2 R.sub.6, SO.sub.2 NH.sub.2, SO.sub.3 H, PO(OR.sub.5).sub.2 or PO(OH).sub.2, andZ and Z' are each independently of the other hydrogen, halogen, OH, NH.sub.2, COOH, cyano, C.sub.1 -C.sub.18 alkyl, isocyclic or heterocyclic aromatic radicals, OR.sub.7, OR.sub.8, OCOR.sub.7, OCOR.sub.8, OCOOR.sub.7, NHR.sub.7, N(R.sub.7).sub.2, NHR.sub.8, CONH.sub.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: October 19, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Robert Moretti, Gary Wooden
  • Patent number: 5968915
    Abstract: The present disclosure relates to dipeptidase inhibitors, and more particularly, to N-Acetylated .alpha.-Linked Acidic Dipeptidase (NAALADase) enzyme inhibitors which are proposed as novel agents for the treatment of prostate cancer. NAALADase is enzyme which is a membrane-bound metalloprotease which hydrolyzes the dipeptide, N-acetyl-L-aspartate-L-glutamate (NAAG) to yield glutamate and N-acetylaspartate. The compounds of the present invention include phosphinic acid derivatives that inhibit NAALADase enzyme activity and which have been found useful for inhibiting the growth of prostate cancer cells.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: October 19, 1999
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Paul F. Jackson, Barbara S. Slusher
  • Patent number: 5925785
    Abstract: The invention relates to secondary and tertiary phosphines of the formula ##STR1## in which R is hydrogen, an aryl or benzyl group or a straight-chain or branched alkyl group, n is 1 or 2 and M is potassium or sodium.These phosphines are prepared by reacting either alkali metal salts of fluorobenzene-2,4-disulfonic acid with phosphine or with primary or secondary phosphines, or secondary phosphines of the type HP?C.sub.6 H.sub.3 -2,4-(SO.sub.3 M).sub.2 !.sub.2 with a compound RX in which R is an alkyl, aryl or benzyl group and X is a halogen, in an aprotic solvent in the presence of at least stoichiometric quantities of a solid, powdered alkali metal hydroxide at temperatures of from 0 to 100.degree. C.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: July 20, 1999
    Assignee: Celanese GmbH
    Inventors: Othmar Stelzer, Oliver Herd, Norbert Weferling
  • Patent number: 5922732
    Abstract: A compound of formula (I): ##STR1## wherein R.sup.1 represents a group of formula (A) where each of W, X, Y and Z and Z represents either a group CR or the nitrogen atom, provided that not more than two of W, X, Y and Z represent the nitrogen atom and where each R present is independently selected from hydrogen and halogen atoms and cyano, amino, hydrazino, acylamino, hydroxy, alkyl, hydroxyalkyl, alkoxy, haloalkyl, haloalkoxy, alkenyl, alkenyloxy, alkoxyalkenyl, alkynyl, carboxylic acyl, alkoxycarbonyl, aryl and heterocyclyl groups, said groups comprising up to 6 carbon atoms, and wherein R.sup.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: July 13, 1999
    Assignee: Zeneca Limited
    Inventors: Christopher John Urch, Roger Salmon, Terence Lewis, Christopher Richard Ayles Godfrey, Martin Stephen Clough
  • Patent number: 5908931
    Abstract: The present invention relates particularly to novel preorganized hexadentate ligands that are suitable for completing with a radionuclide, and are useful as general imaging agents for diagnostic purposes.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: June 1, 1999
    Assignee: Mallinckrodt Inc.
    Inventors: Raghavan Rajagopalan, William L. Neumann, Dennis L. Nosco
  • Patent number: 5886182
    Abstract: Novel, optically active phosphorous compounds of the formula, ##STR1## wherein R.sup.1 represents hydrogen atoms, straight or branched-chain alkyl groups having from 1 to 6 carbon atoms, R.sup.2 represents hydrogen atoms, halogen atoms, lower alkyl groups (1 to 6 carbon atoms), lower alkoxy groups (1 to 6 carbon atoms), hydroxy group, chiral hydroxyalkyl groups, and amino groups (1.degree., 2.degree., 3.degree.) vinyl groups or allyl groups and R.sup.3 represents phenyl groups, aryl groups, cyclohexyl groups, substituted and unsubstituted cycloalkyl groups, heteroaromatic rings, are described. The compounds of the formula serve as highly useful ligands in the preparation of ruthenium complexes which are effective catalysts for the asymmetric hydrogenation of 2-arylpropenoic acids leading to high valued 2-arylpropionic acids.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: March 23, 1999
    Assignee: The Hong Kong Polytechnic University
    Inventors: Albert Sun-Chi Chan, Cheng-Chao Pai
  • Patent number: 5863536
    Abstract: The present invention includes phosphoramidate derivatives, compositions containing the same, and methods of using them as NAALADase inhibitors, particularly for the treatment of glutamate abnormalities and associated nervous tissue insult in a animal and for treatment of prostate disease and prostate cancer by inhibition of NAALADase enzyme.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: January 26, 1999
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Paul F. Jackson, Barbara S. Slusher, Kevin L. Tays, Keith M. Maclin
  • Patent number: 5830915
    Abstract: The invention provides compounds which are useful as inhibitors of matrix metalloproteases, and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to a compound having a structure according to Formula (I) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are described in the claims, a stereoisomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable alkoxyamide, ester acyloxyamide, imide or derivative thereof.Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by matrix metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: November 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Kelly Lynn McDow-Dunham, Biswanath De, Yetunde Olabisi Taiwo
  • Patent number: 5824662
    Abstract: The present invention includes compositions and methods of treatment for glutamate abnormalities and associated nervous tissue insult in a animal by inhibition of NAALADase enzyme. Compositions include glutamate-derived hydroxyphosphinyl derivative compounds, acidic peptide analogs, phosphinic acid derivatives and mixtures thereof that inhibit NAALADase enzyme activity and their use for treating glutamate abnormalities such as created by global and focal ischemia.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: October 20, 1998
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Barbara S. Slusher, Paul F. Jackson
  • Patent number: 5808072
    Abstract: A class of pyridine phosphonate compounds is disclosed that are useful as ligands in the one manufacture of oxidation-reduction catalysts. In particular, pyridine-2,6-disphosphonic acid is a specie of the pyridine phosphonate ligands that can be combined with a polyvalent metal to produce a catalyst to convert hydrogen sulfide to solid sulfur.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: September 15, 1998
    Assignee: U.S. Filter/Engineered Systems
    Inventors: Derek McManus, Arthur E. Martell, Dian Chen
  • Patent number: 5792769
    Abstract: Compounds of the formula: ##STR1## wherein R.sup.1 --R.sup.4, R.sup.7 --R.sup.8, R.sup.a, R.sup.b, R.sup.c, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit a number of proteolytic enzymes are described. Also described are methods for preparing the compounds of Formula I.
    Type: Grant
    Filed: August 15, 1996
    Date of Patent: August 11, 1998
    Assignee: 3-Dimensional Pharmaceuticals, Inc.
    Inventors: Tianbao Lu, Carl R. Illig, Bruce E. Tomczuk, Richard M. Soll, Nalin L. Subasinghe, Roger F. Bone
  • Patent number: 5789592
    Abstract: A compound in metal-free or metal complex form of formula (1) to (3) in which R is hydrogen or C.sub.1-30 alkyl; X is hydrogen, halogen (preferably Cl or Br) or C.sub.1-30 alkyl.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: August 4, 1998
    Assignee: Ecole Polytechnique Federale de Lausanne
    Inventors: Michael Gratzel, Oliver Kohle, Mohammad K. Nazeeruddin, Peter Pechy, Francois P. Rotzinger, Stephan Ruile, Shaik Mohammad Zakeeruddin
  • Patent number: 5763611
    Abstract: The present invention relates to thio-substituted cyclic phosphonate compounds including bisphosphonates and phosphonoalkylphosphinates, and the pharmaceutically-acceptable salts and esters thereof. The present invention further relates to pharmaceutical compositions containing a safe and effective amount of a compound of the present invention, and pharmaceutically-acceptable excipients. Finally, the present invention relates to methods for treating or preventing pathological conditions characterized by abnormal calcium and phosphate metabolism in humans or other mammals including treating or preventing osteoporosis and arthritis, especially rheumatoid arthritis and osteoarthritis. The compounds may be monocyclic or bicyclic and have the following general structure: ##STR1## wherein (a) X and Y are independently selected from nil, O, S, and N;(b) R is PO.sub.3 H.sub.2 or P(O)(OH)R.sup.4, wherein R.sup.4 is substituted or unsubstituted C.sub.1 -C.sub.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: June 9, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Susan Mary Kaas, Frank Hallock Ebetino, Marion David Francis