And Chalcogen Bonded Directly To A Ring Carbon Of The Five Membered Hetero Ring Which Is Not Adjacent To The Ring Nitrogen (e.g., 2,4 Pyrrolidinediones, Etc.) Patents (Class 548/544)
  • Publication number: 20030216260
    Abstract: The present invention relates to novel C2-phenyl-substituted cyclic ketoenols of the formula (I) 1
    Type: Application
    Filed: December 16, 2002
    Publication date: November 20, 2003
    Inventors: Michael Ruther, Hermann Hagemann, Udo Schneider, Markus Dollinger, Peter Dahmen, Ulrike Wachendorff-Neumann, Rainer Fischer, Alan Graff, Thomas Bretschneider, Christoph Erdelen, Mark Wilhelm Drewes, Dieter Feucht, Folker Lieb
  • Publication number: 20030207935
    Abstract: The present invention relates to some new optically active clausenamide derivatives, process of the preparation thereof, a pharmaceutical composition containing the same and their medical use, particularly their use in the respects of hypoxia protective, nootropic and neurodegenerative disease such as cerebral ischemia, Alzheimer disease and vascular dementia.
    Type: Application
    Filed: March 26, 2002
    Publication date: November 6, 2003
    Applicant: INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF MEDICAL SCIENCES
    Inventors: Juntian Zhang, Liang Huang, Kemei Wu, Shiming Chen
  • Patent number: 6642180
    Abstract: The present invention relates to novel biphenyl-substituted cyclic ketoenols of the formula (I) in which W represents hydrogen, halogen, alkyl, alkoxy, alkenyloxy, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro or cyano, X represents halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro, cyano or in each case optionally substituted phenyl, phenoxy, phenylthio, phenylalkoxy or phenylalkylthio, Y represents in each case optionally substituted cycloalkyl, aryl or hetaryl, Z represents hydrogen, halogen, alkyl, alkoxy, halogenoalkyl or halogenoalkoxy, CKE represents one of the groups  in which A, B, D, L, M, Q1, Q2, Q3, Q4, Q5 and Q6 are as defined in the description, to preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: November 4, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Alan Graff, Thomas Bretschneider, Christoph Erdelen, Mark Wilhelm Drewes, Dieter Feucht
  • Patent number: 6642267
    Abstract: A substituted 1,5-dihydropyrrol-2-one compound of formula I: and methods for preparing the compounds. Also disclosed are pharmarceutical compositions comprising the compounds and methods of using the compounds for the treatment or prophylaxis of pain, inflammatory and allergic reactions, depressions, drug abuse and various other diseases or conditions.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: November 4, 2003
    Assignee: Gruenenthal GmbH
    Inventors: Michael Przewosny, Hans-Dietrich Stachel, Hermann Poschen-Rieder
  • Publication number: 20030199569
    Abstract: The present invention relates to pyrrolidine derivatives useful as inhibitors of metalloproteases, e.g. zinc proteases, and which are effective in treating disease states associated with vasoconstriction.
    Type: Application
    Filed: February 25, 2003
    Publication date: October 23, 2003
    Inventors: Johannes Aebi, Daniel Bur, Alexander Chucholowski, Henrietta Dehmlow, Eric Argirios Kitas, Ulrike Obst, Hans Peter Wessel
  • Publication number: 20030187057
    Abstract: The present invention relates to a compound of formula (I) 1
    Type: Application
    Filed: November 8, 2002
    Publication date: October 2, 2003
    Applicant: Aventis Pharma Deutschland GmbH
    Inventors: Matthias Schiell, Martin Knauf, Luigi Toti, Astrid Markus-Erb
  • Publication number: 20030171599
    Abstract: Lactams, libraries of lactams, and an efficient method of synthesizing a lactam, including a &ggr;-lactam, in which an &agr;-diazoacetamide of the general structure (I) is reacted under conditions promoting intramolecular C—H insertion, for example in the presence of a rhodiurn salt such as Rh2(OAc)4, 1
    Type: Application
    Filed: December 18, 2002
    Publication date: September 11, 2003
    Inventors: Kyung Woon Jung, Cheol Hwan Yoon
  • Publication number: 20030171219
    Abstract: The invention relates to new phenyl-substituted cyclic ketoenols of the formula (I) 1
    Type: Application
    Filed: September 19, 2002
    Publication date: September 11, 2003
    Inventors: Folker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Hans-Joachim Santel, Markus Dollinger, Alan Graff, Norbert Mencke, Andreas Turberg, Peter Dahmen
  • Publication number: 20030166707
    Abstract: One of the aspects of the present invention is directed to tetramic acid derivatives useful in treating or preventing bacterial diseases, especially diseases caused by gram-positive pathogens resistant to antibiotics of the prior art. Within the scope of the present invention are pharmaceutical compositions containing at least one of the tetramic acid derivatives of the invention as the active ingredient, methods of treating and/or preventing a bacterial disease by administering at least one of the tetramic acid derivatives of the invention, and the use of the tetramic acid derivatives of the invention in the treatment and/or prevention of a bacterial disease. Preferably, the tetramic acid derivative of the invention is a compound of formula IV shown below.
    Type: Application
    Filed: October 17, 2002
    Publication date: September 4, 2003
    Inventors: Chao-Mei Yu, Stephen W. Ayer, Ronald G. Micetich, Sameeh M. Salama, Rakhshandeh Fathi-Afshar, Jonathan M. Curtis, Jeffrey Lawson Cameron Wright
  • Publication number: 20030149081
    Abstract: The present invention provides pharmaceutical compositions and novel compounds useful in the treatment of conditions mediated by CCR2, MCP-1 or the interaction thereof. The compounds of the present invention are pyrrolidinones and pyrrolidine-thiones.
    Type: Application
    Filed: September 26, 2002
    Publication date: August 7, 2003
    Inventors: Dong Zou, Olivier Dasse, Janelle Evans, Paul Higgins, Jeremy Kintigh, Rama Kondru, Eric Schwartz, Laurent Knerr, Hai-Xiao Zhai
  • Publication number: 20030144504
    Abstract: The present invention relates to new compounds of the formula (I) 1
    Type: Application
    Filed: July 18, 2002
    Publication date: July 31, 2003
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Michael Ruther, Arno Widdig, Peter Dahmen, Markus Dollinger, Christoph Erdelen, Hans-Joachim Santel, Ulrike Wachendorff-Neumann, Alan Graff, Wolfram Andersch
  • Patent number: 6583297
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: June 24, 2003
    Assignee: Board of Trustees operating Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Patent number: 6576632
    Abstract: The present invention relates to compounds of formula I and to pharmaceutically acceptable salts, hydrates and prodrugs thereof, wherein R1, R2, R3, R4, R5, R10, R11, b, m, n, p and v are as defined herein. The invention also relates to pharmaceutical compositions containing the above compounds and methods of treating hyperproliferative disorders in mammals by administering the above compounds.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: June 10, 2003
    Assignee: Pfizer Inc
    Inventors: Steven W. Goldstein, Kelly P. Longo, James F. Blake, Mohamed M. A. Awad, Kenneth P. Raiche, Kevin W. Kramer
  • Publication number: 20030073851
    Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketoenols of the formula (I) 1
    Type: Application
    Filed: May 9, 2002
    Publication date: April 17, 2003
    Inventors: Folker Lieb, Reiner Fischer, Alan Graff, Udo Schneider, Thomas Bretshneider, Christoph Erdelen, Wolfram Andersch, Mark Wilhelm Drewes, Markus Dollinger, Ingo Wetcholowsky, Randy Allen Myers
  • Publication number: 20030045432
    Abstract: The present invention relates to new compounds of the formula (I) 1
    Type: Application
    Filed: December 11, 2001
    Publication date: March 6, 2003
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Norbert Lui, Michael Ruther, Arno Widdig, Christoph Erdelen, Ulrike Wachendorff-Neumann, Hans-Joachim Santel, Markus Dollinger, Peter Dahmen, Norbert Mencke, Andreas Turberg
  • Patent number: 6518437
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: February 11, 2003
    Assignee: Board of Trustees of Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Patent number: 6498004
    Abstract: This invention provides a photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula (a): &Dgr;−(t)m−XY′  (a) XY′−(t)m−&Dgr;  (b) &Dgr;−(t)m−XY′−(t)m−&Dgr;  (c) wherein &Dgr; is protective group that is eliminated during development of the photographic element, t is a timing group, m is an integer from 0 to 3, and XY′ is a fragmentable electron donor moiety in which X is an electron donor group and Y′ is a leaving proton H or a leaving group Y, with the proviso that if Y′ is a proton, a base, &bgr;−, is present in the emulsion or is covalently linked directly or indirectly to X, and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: December 24, 2002
    Assignee: Eastman Kodak Company
    Inventors: Jerome R. Lenhard, Annabel A. Muenter, Stephen A. Godleski, Paul A. Zielinski, Deepak Shukla, Donald R. Diehl
  • Publication number: 20020188136
    Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketoenols of the formula (I) 1
    Type: Application
    Filed: May 2, 2002
    Publication date: December 12, 2002
    Inventors: Folker Lieb, Reiner Fischer, Alan Graff, Udo Schneider, Thomas Bretschneider, Christoph Erdelen, Wolfram Andersch, Mark-Wilhelm Drewes, Markus Dollinger, Ingo Wetcholowsky, Randy Allen Myers
  • Patent number: 6486169
    Abstract: The present invention related to safe botanical drug for treatment and prevention of Alzheimer's disease. Specifically, this invention proves a safe botanical drug, Huperzine (HUE) and Clausenamide (CLE) and their preparation. HUE has the following pharmaceutical functions: inhibiting acetylcholinesterase (CAT), increasing memory, decreasing Alzheimer amyloid protein, increasing RNA and protein synthesis of brain, increasing calcium in brain, decreasing superoxide anion. CLE has the following pharmaceutical functions: increasing memory, decreasing Alzheimer amyloid protein, increasing RNA and protein synthesis of brain, increasing calcium in brain, decreasing superoxide anion, increasing long-term potentiation and increasing dopanmine (DA). It is important that HUE combined with CLE have stronger function as mentioned above.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: November 26, 2002
    Inventor: Yaguang Liu
  • Patent number: 6482947
    Abstract: Compounds of the formula I and their salts, as defined in claim 1, are suitable as safeners for protecting crop plants against the phytotoxic side-effects of herbicides.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: November 19, 2002
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Xenia Holdgrün, Lothar Willms, Klaus Bauer, Klaus Trinks, Hermann Bieringer
  • Patent number: 6476062
    Abstract: Novel tetramic acid-type compounds isolated from a CCR-5 active complex produced by fermentation under controlled conditions of a biologically pure culture of the microorganism, Chaetomium globosum Kunze SCH 1705, ATCC 74489., pharmaceutical compositions containing the compounds and the use of the CCR-5 antagonist compounds and compositions to treat HIV-1 infections in humans are disclosed.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: November 5, 2002
    Assignee: Schering Corporation
    Inventors: Min Chu, Ronald A. Mierzwa, Joseph Terracciano, Mahesh G. Patel
  • Patent number: 6472419
    Abstract: The present invention relates to new 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) in which A, B, G, X, Y and Z have the meanings given in the description, to processes for their preparation, and to intermediates therefor. The compounds of the formula (I) are used as pesticides.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: October 29, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Krüger, Michael Ruther, Christoph Erdelen, Ulrike Wachendorff-Neumann
  • Patent number: 6458965
    Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketonols of the formula (I) in which X represents halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro, cyano or in each case optionally substituted phenyl, phenoxy, phenylthio, phenylalkoxy or phenylalkylthio, Y represents in each case optionally substituted cycloalkyl, aryl or hetaryl, W and Y independently of one another each represent hydrogen, halogen, alkyl, alkoxy, alkenyloxy, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro or cyano, CKE represents one of the groups in which A, B, D, G and Q1 to Q6 are each as defined in the description, to a plurality of processes for their preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: October 1, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Alan Graff, Udo Schneider, Thomas Bretshneider, Christoph Erdelen, Wolfram Andersch, Mark Wilhelm Drewes, Markus Dollinger, Ingo Wetcholowsky, Randy Allen Myers
  • Patent number: 6451843
    Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketoenols, their preparation and the use of such ketoenols as pesticides and/or herbicides. The novel arylphenyl-substituted cyclic ketoenols are of the formula (I) in which CKE refers to the cyclic ketoenol and W, X, Y and Z are as defined in the specification.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: September 17, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Alan Graff, Udo Schneider, Thomas Bretschneider, Christoph Erdelen, Wolfram Andersch, Mark Wilhelm Drewes, Markus Dollinger, Ingo Wetcholowsky, Dieter Feucht, Rolf Pontzen, Randy Allen Myers
  • Patent number: 6437009
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium surface tension by the incorporation of a surface tension reducing amount of an N-alkylimide of tartaric acid and/or an N-alkylimide of malic acid of the following structures, respectively: where R1 is a C5 to C10 alkyl group.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: August 20, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ingrid Kristine Meier, Kevin Rodney Lassila, Caroline Sassano Slone
  • Patent number: 6420415
    Abstract: Compounds represented by general formula (1) or salts thereof which have a matrix metalloprotease inhibitory activity and are useful as drugs, wherein the rings A and B represent each an optionally substituted homocycle or heterocycle, etc.; R1s are the same or different and each represents hydrogen, optionally substituted hydrocarbyl, acyl, etc.; X1 represents a bond, optionally substituted divalent aliphatic hydrocarbyl, etc.; X2 represents a bond, optionally substituted divalent aliphatic hydrocarbyl, —O—, etc.; Ys are the same or different represents hydrogen, optionally substituted hydrocarbyl, oxo, etc.; m is 0 or 1; n is an integer of 1 to 3; q1 is an integer of 1 to 2n+4; and q2 is an integer of 0 to 2n+3, provided that q1+q2 is 2n+4.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: July 16, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Toshiro Yamashita, Hiroshi Nara, Masayuki Takizawa, Koji Yoshimura
  • Patent number: 6417370
    Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketoenols of the formula (I) in which X represents halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl, halogeno-alkoxy, halogenoalkenyloxy, nitro, cyano or in each case optionally substituted phenyl, phenoxy, phenylthio, phenyl-alkoxy or phenylalkylthio, Y represents in each case optionally substituted cycloalkyl, aryl or hetaryl, Z represents hydrogen, halogen, alkyl, alkoxy, alkenyloxy, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro or cyano, CKE represents one of the groups  in which A, B, D, G and Q1 to Q6 are each as defined in the description, to a plurality of processes for their use as pesticides and herbicides.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: July 9, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Alan Graff, Udo Schneider, Thomas Bretschneider, Christoph Erdelen, Wolfram Andersch, Mark-Wilhelm Drewes, Markus Dollinger, Ingo Wetcholowsky, Randy Allen Myers
  • Patent number: 6384052
    Abstract: Trisubstituted pyrroles are useful in the control of coccidiosis in poultry.
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: May 7, 2002
    Assignee: Merck & Co., Inc.
    Inventors: Tesfaye Bitfu, Danqing D. Feng
  • Patent number: 6380241
    Abstract: A compound of the formula (I): or a pharmaceutically acceptable salt thereof is disclosed, as well as processes for and intermediates in the preparation thereof, and a method of antagonizing endothelin.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: April 30, 2002
    Assignee: Abbott Laboratories
    Inventors: Martin Winn, Steven A. Boyd, Charles W. Hutchins, Hwan-Soo Jae, Andrew S. Tasker, Thomas W. von Geldern, Jeffrey A. Kester, Bryan K. Sorensen, Bruce G. Szczepankiewicz, Kenneth J. Henry, Gang Liu, Steven J. Wittenberger, Steven A. King
  • Patent number: 6350761
    Abstract: This invention is directed to benzenamine derivatives of formula (I): wherein A, W, m, n, R1, R2, R3, R4, R5 and R6 are defined herein. These compounds are useful as anti-coagulants.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: February 26, 2002
    Assignee: Berlex Laboratories, Inc.
    Inventors: William J. Guilford, Steven T. Sakata, Kenneth J. Shaw, Shung Wu, Wei Xu, Zuchun Zhao
  • Patent number: 6348629
    Abstract: An aqueous phase inhibitor for quenching free radical polymerization comprising a free radical quenching agent having a hydrophilic tail is disclosed, as well as a coating and related methods. In one embodiment, the free radical quenching agent can either be an N-hydroxylamine or an N-nitrosonamine, the hydrophilic tail can be a polyhydric alcohol tail and the inhibitor can be a concentrate in a liquid medium such as water, alcohol and mixture thereof.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: February 19, 2002
    Assignee: Sun Drilling Products Corp.
    Inventor: Robert Albright
  • Patent number: 6271392
    Abstract: The present invention pertains to novel 3-substituted-4-thiopyrrole intermediates for the preparation of 1-arylpyrrole compounds that are useful for the control of insects, acarids and nematodes. The compounds, including their isomers, e.g., diastereomers and optical isomers, are compounds of a general formula (I) wherein the structural variables are as defined in the description.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: August 7, 2001
    Assignee: Rhone-Poulenc Inc.
    Inventors: Alain Chene, Scot Kevin Huber
  • 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: 6255479
    Abstract: A method for preparing an &agr;-oxolactam comprising, reacting a corresponding &agr;-diazolactam with an oxygen donor, in the presence of a transition metal catalyst, to yield the corresponding &agr;-oxolactam.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: July 3, 2001
    Assignee: Research Corporation Technologies, Inc.
    Inventors: John D. Buynak, Akireddy Srinivasa Rao
  • Patent number: 6252089
    Abstract: 4-Hydroxy-2-pyrrolidinone which is useful as a raw material of drugs can be produced rapidly and highly selectively in a high yield from an optically active or recemic 4-amino-3-hydroxybutylic acid derivative or a 4-azido-3-hydroxybutyric acid derivative by adding a base catalyst to the reaction system. 4-Hydroxy-2-pyrrolidinone having a high optical purity can be obtained by carrying out recrystallization of optically active 4-hydroxy-2-pyrrolidinone without using a poor solvent.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: June 26, 2001
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Masahiro Nishikawa
  • Publication number: 20010004629
    Abstract: The present invention relates to novel compounds of the formula (I) 1
    Type: Application
    Filed: April 14, 2000
    Publication date: June 21, 2001
    Inventors: Volker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Alan Graff, Udo Schneider
  • Patent number: 6174989
    Abstract: The present invention relates to rubber compounds containing polymeric bis-succinimide polysulfides of the formula: wherein R is selected from the group consisting of phenylene and xylylene; R1 is selected from the group consisting hydrogen and alkyls having from 1 to 18 carbon atoms; x is an integer of from 2 to 8 and y is an integer of from 2 to 10.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: January 16, 2001
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Michael D'Sidocky, Lawson Gibson Wideman
  • Patent number: 6153766
    Abstract: 4-Hydroxy-2-pyrrolidinone which is useful as a raw material of drugs can be produced rapidly and highly selectively in a high yield from an optically active or recemic 4-amino-3-hydroxybutylic acid derivative or a 4-azido-3-hydroxybutyric acid derivative by adding a base catalyst to the reaction system. 4-Hydroxy-2-pyrrolidinone having a high optical purity can be obtained by carrying out recrystallization of optically active 4-hydroxy-2-pyrrolidinone without using a poor solvent.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: November 28, 2000
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Masahiro Nishikawa
  • Patent number: 6140358
    Abstract: The present invention relates to novel compounds of the formula (I) ##STR1## in which Het represents one of the groups ##STR2## in which A, B, D, G, V, W, X, Y and Z are as defined in the description,processes and intermediates for their preparation, and to their use as pesticides and herbicides.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: October 31, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Alan Graff, Udo Schneider
  • Patent number: 6136983
    Abstract: Pyrazole, pyrrole and imidazole derivatives having formula (I) or (II): ##STR1## wherein .dbd.X is .dbd.NR.sup.3, .dbd.O or an electron pair and Q comprises certain pyrazole, pyrrole and imidazole structures which, together with the remaining substituents, are defined in the description, are useful for controlling arthropod, nematodes, helminth or protozoan pests.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: October 24, 2000
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Patrick Doyle Lowder, David Treadway Manning, Jennifer Lantz Phillips, Michael Thomas Pilato, Tai-Teh Wu
  • Patent number: 6124435
    Abstract: The invention provides heterobifunctional cross-linking reagents and methods of using the cross-linking reagents. The cross-linking reagents of the invention combine a nucleophilic hydrazide residue with an electrophilic maleimide residue, allowing coupling of aldehydes to free thiols. In the methods of the invention, human immunodeficiency virus (HIV) infected cells can be detected using conjugates that include CD4 molecules conjugated to detectable markers via the disclosed cross-linking reagents.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: September 26, 2000
    Assignee: Genetech, Inc.
    Inventors: Avi J. Ashkenazi, Steven M. Chamow, Timothy P. Kogan
  • Patent number: 6114374
    Abstract: The invention relates to novel phenyl-substituted cyclic ketoenols of the formula (I) ##STR1## in which Het represents one of the groups ##STR2## in which A, B, D, G, X and Z are each as defined in the description, to a plurality of processes and intermediates for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: January 28, 1999
    Date of Patent: September 5, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Thomas Bretschneider, Michael Ruther, Alan Graff, Udo Schneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wolfram Andersch, Andreas Turberg
  • Patent number: 6060502
    Abstract: Pyrazole, pyrrole and imidazole derivatives having formula (I) or (II): ##STR1## wherein .dbd.X is .dbd.NR.sup.3, .dbd.O or an electron pair and Q comprises certain pyrazole, pyrrole and imidazole structures which, together with the remaining substituents, are defined in the description, are useful for controlling arthropod, nematodes, helminth or protozoan pests.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: May 9, 2000
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Patrick Doyle Lowder, David Treadway Manning, Jennifer Lantz Phillips, Michael Thomas Pilato, Tai-Teh Wu
  • Patent number: 6054622
    Abstract: A method for the preparation of aromatic hydroxythiols including oxidizing an aromatic aminothiol to form an aminodisulfide compound; forming a bis-diazonium salt of the aminodisulfide compound; and reacting the bis-diazonium salt with water to form an aromatic hydroxyldisulfide compound, which is then reduced to the hydroxythiol. New bis-diazonium aromatic disulfide compounds are also disclosed.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: April 25, 2000
    Assignee: AlliedSignal Inc
    Inventors: Mingbao Zhang, David Ryckman, Eric MacMillan
  • 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: 6048840
    Abstract: This invention relates to novel insulin-potentiating hypoglycaemic compounds.
    Type: Grant
    Filed: April 1, 1994
    Date of Patent: April 11, 2000
    Assignee: Monash University
    Inventors: Milton Thomas William Hearn, Frank Man-Woon Ng, Victoria Marie Jane Robson, Michael Francis O'Donoghue, Ian David Rae
  • Patent number: 6046213
    Abstract: This invention relates to compounds of formula (I), or pharmaceutically acceptable acid addition salts thereof, wherein: (a) R.sup.2 and R.sup.5 are taken separately and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently hydrogen, (C.sub.1 -C.sub.6) alkyl, halo, CF.sub.3, OH or OR.sup.7 and R.sup.5 is methyl or ethyl; or (b) R.sup.2 and R.sup.5 are taken together, forming a chroman-4-ol ring, and R.sup.1, R.sup.3 and R.sup.4 are each independently hydrogen, (C.sub.1 -C.sub.6) alkyl, halo, CF.sub.3, OH or OR.sup.7 ; and R.sup.6 is a substituted piperidinyl, pyrrolidinyl or 8-azabicyclo(3.2.1)octanyl derivative; provided that (a) when R.sup.2 and R.sup.5 are taken separately, at least one of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is not hydrogen; and (b) when R.sup.2 and R.sup.5 are taken together, at least one of R.sup.1, R.sup.3 and R.sup.
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: April 4, 2000
    Assignee: Pfizer Inc.
    Inventors: Bertrand L. Chenard, Todd W. Butler
  • Patent number: 6031113
    Abstract: 4-Hydroxy-2-pyrrolidinone which is useful as a raw material of drugs can be produced rapidly and highly selectively in a high yield from an optically active or recemic 4-amino-3-hydroxybutylic acid derivative or a 4-azido-3-hydroxybutyric acid derivative by adding a base catalyst to the reaction system. 4-Hydroxy-2-pyrrolidinone having a high optical purity can be obtained by carrying out recrystallization of optically active 4-hydroxy-2-pyrrolidinone without using a poor solvent.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: February 29, 2000
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Masahiro Nishikawa
  • Patent number: 6015569
    Abstract: Novel pharmaceutically/cosmetically-active polycyclic aromatic compounds have the structural formula (I): ##STR1## wherein Ar is a radical having one of the formulae (a)-(e): ##STR2## and are useful for the treatment of a wide variety of disease states, whether human or veterinary, for example dermatological, rheumatic, respiratory, cardiovascular and ophthalmological disorders, as well as for the treatment of mammalian skin and hair conditions/disorders.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: January 18, 2000
    Assignee: Centre International de Recherches Dermatologiques Galderma
    Inventor: Jean-Michel Bernardon
  • Patent number: 5994274
    Abstract: The present invention relates to new compounds of the formula (I) ##STR1## in which X represents alkyl,Y represents halogen or alkyl andZ represents halogen or alkyl,with the proviso that one of the radicals Y and Z always represents halogen and the other alkyl,Het represents one of the groups ##STR2## in which A, B, D and G have the meanings given in the description,a plurality of processes for their preparation and their use as pesticides and herbicides.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: November 30, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Michael Ruther, Arno Widdig, Peter Dahmen, Markus Dollinger, Christoph Erdelen, Hans-Joachim Santel, Ulrike Wachendorff-Neumann, Alan Graff, Wolfram Andersch