Chalcogen Attached Directly To Diazole Ring Nitrogen By Nonionic Bonding Patents (Class 548/307.7)
  • Patent number: 10927083
    Abstract: The present invention provides inhibitors of TAK1 having formula (II), affinity resins, and fluorescent dyes and methods of using such compounds to treat various diseases or in protein isolation or purification.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: February 23, 2021
    Assignee: Duke University
    Inventors: Emily Derbyshire, Timothy A. J. Haystead, Philip F. Hughes
  • Patent number: 9018393
    Abstract: A method for preparing 2-(N-substituted)-amino-benzimidazole derivatives is provided, which comprises the following steps: (1) reacting a compound of 2-(N-protecting group)-O-aryl diamine with a compound of N-phenoxycarbonyl monosubstituted amine to obtain a compound of 2-(N-protecting group)-amino aryl urea; (2) in a suitable organic solvent, performing dehydrating cyclization reaction of the compound of 2-(N-protecting group)-amino aryl urea in the presence of an organic base and dichloro triphenylphosphine prepared by triphenylphosphine oxide with oxalyl chloride or diphosgene or triphosgene, or dibromo triphenylphosphine prepared by triphenylphosphine oxide with bromine, to produce a compound of 1-protecting group-2-(N-substituted)-amino-benzimidazole; (3) deprotecting the resulting compound of 1-protecting group-2-(N-substituted)-amino-benzimidazole to obtain the compound 2-(N-substituted)-amino-benzimidazole.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: April 28, 2015
    Assignee: ABA Chemicals Corporation
    Inventors: Yueheng Jiang, Tong Cai, Limin Que, Zhigang Lin
  • Patent number: 8476435
    Abstract: A fluorine-containing polyether carboxylic acid amide represented by the general formula: CnF2n+1O(C3F6O)mRfCONHAr, wherein Rf is a fluorocarbon group having 1 to 2 carbon atoms, Ar is a nitrogen-containing heterocyclic group, n is an integer of 1 to 3, and m is an integer of 10 to 30, is produced by reacting a fluorine-containing polyether carboxylic acid fluoride represented by the general formula: CnF2n+1(C3F6O)mRfCOF, wherein Rf, n, and m are as defined above, with a nitrogen-containing heterocyclic amine compound represented by the general formula: ArNH2, wherein Ar is as defined above; wherein the reaction is carried out while a reaction temperature is first increased to 80 to 100° C., and then increased at a temperature increase rate that produces a temperature difference of 3 to 5° C. after 48 hours.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: July 2, 2013
    Assignee: Unimatec Co., Ltd.
    Inventors: Keisuke Kokin, Seiichiro Murata, Hideki Abe, Yusuke Takahashi
  • Publication number: 20120041201
    Abstract: A fluorine-containing polyether carboxylic acid amide represented by the general formula: CnF2n+1O(C3F6O)mRfCONHAr, wherein Rf is a fluorocarbon group having 1 to 2 carbon atoms, Ar is a nitrogen-containing heterocyclic group, n is an integer of 1 to 3, and m is an integer of 10 to 30, is produced by reacting a fluorine-containing polyether carboxylic acid fluoride represented by the general formula: CnF2n+1(C3F6O)mRfCOF, wherein Rf, n, and m are as defined above, with a nitrogen-containing heterocyclic amine compound represented by the general formula: ArNH2, wherein Ar is as defined above; wherein the reaction is carried out while a reaction temperature is first increased to 80 to 100° C., and then increased at a temperature increase rate that produces a temperature difference of 3 to 5° C. after 48 hours.
    Type: Application
    Filed: April 16, 2010
    Publication date: February 16, 2012
    Applicant: UNIMATEC CO., LTD.
    Inventors: Keisuke Kokin, Seiichiro Murata, Hideki Abe, Yusuke Takahashi
  • Patent number: 7482466
    Abstract: The present invention is directed to certain hydroxamate derivatives that are useful in the treatment of hepatitis C. These compounds are also inhibitors of histone deacetylase and are therefore useful in the treatment of diseases associated with histone deacetylase activity. Pharmaceutical compositions and processes for preparing these compounds are also disclosed.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: January 27, 2009
    Assignee: Pharmacyclics, Inc.
    Inventors: Erik J. Verner, Hon C. Hui
  • Patent number: 7176312
    Abstract: General methods for the solution phase as well as solid phase synthesis of various substituted heteroaryls has been demonstrated. These substituted heteroaryls can be further elaborated by aromatic substitution with amines at elevated temperature or by anilines, boronic acids and phenols via palladium catalyzed cross-coupling reactions.
    Type: Grant
    Filed: October 12, 2002
    Date of Patent: February 13, 2007
    Assignees: The Scripps Research Institute, IRM LLC
    Inventors: Sheng Ding, Qiang Ding, Nathanael S. Gray
  • Publication number: 20040063584
    Abstract: Cyclohexenone derivatives of benzazolones of the formula I 1
    Type: Application
    Filed: May 29, 2003
    Publication date: April 1, 2004
    Inventors: Guido Mayer, Ulf Miblitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Michel Hofmann, Thorsten Volk, Matthias Witschel, Cyrill Zagar, Andreas Landes, Klaus Langemann
  • Patent number: 6613743
    Abstract: The present invention relates to a novel class of sulfonamides of formula I which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV aspartyl protease inhibitors characterized by specific structural and physicochemical features. This invention also relates to pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well suited for inhibiting HIV-1 and HIV-2 protease activity and consequently, may be advantageously used as anti-viral agents against the HIV-1 and HIV-2 viruses. This invention also relates to methods for inhibiting the activity of HIV aspartyl protease using the compounds of this invention and methods for screening compounds for anti-HIV activity. The sulfonamides of formula I have the structure: wherein A, B, D, D′, E, G and R7 are as defined above.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: September 2, 2003
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Michael Robin Hale, Clarence Webster Andrews, III, Eric Steven Furfine, Ronald George Sherrill, Andrew Spaltenstein, Gregory Thomas Lowen
  • Publication number: 20010047020
    Abstract: Benzimidazole derivatives of the formula (I): 1
    Type: Application
    Filed: March 27, 2001
    Publication date: November 29, 2001
    Inventors: Takehiko Naka, Kohei Nishikawa, Takeshi Kato
  • Patent number: 6187928
    Abstract: Novel imidazolium compounds of the formula wherein A represents the atomic group necessary to form a heteroaromatic ring, which may be optionally substituted by one or more R substituents selected from the group consisting of aryl, heteroaryl, lower alkyl, hydroxy, halide, or carboxy substitutents; B is an optional substituent which represents the atomic group necessary to form a heteroaromatic ring or a double or triple carbon-nitrogen bond, which may optionally be substituted by one or more R′ substituents selected from the group consisting of aryl, heteroaryl, lower alkyl, hydroxy, halide, or carboxy substitutents; C is an optional substituent which represents the atomic group necessary to form an aromatic or heteroaromatic ring, which may optionally be substituted by one or more R″″ substituents selected from the group consisting of aryl, heteroaryl, lower alkyl, hydroxy, halide, or carboxy substituents; R″ and R′″ are each independently a lower alk
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: February 13, 2001
    Assignee: The Rockefeller University
    Inventors: Robert J. Donovan, Robert J. Morgan