Patents by Inventor Yaling Wang

Yaling Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090124648
    Abstract: The present invention relates to a process for producing crystalline trans-N-[1-(2-fluorophenyl)-S-pyrazoly]-3-ox-ospiro[6-azaisobenzofuran-1(3H),1?-cyclohexane]-4?-carboxamide and novel salts, hydrates and polymorphs thereof.
    Type: Application
    Filed: July 24, 2006
    Publication date: May 14, 2009
    Inventors: Russell R. Ferlita, Yuji Haga, Makoto Ishikawa, Keisuke Kamei, Shinji Kato, Hisaki Kojima, Aaron Moment, Nobuaki Nonoyama, Nobuya Satake, Kazuki Shigemori, Toshihiro Wada, Yaling Wang, Steven A. Weissman, Robert M. Wenslow
  • Publication number: 20090018340
    Abstract: The present invention is directed to a practical process for the preparation of an enamide (II) by palladium catalyzed coupling of a primary amide (IV) with a compound of structural formula (III), as shown below: As well as to crystalline forms of a compound produced by this process, in particular, an anhydrous crystal form, Form B, and crystalline solvates falling into three patterns, Type 1, Type 2, and Type 3, and crystalline intermediate compounds produced in the process. Still further, the present invention relates to the stereoselective reduction of the tetrasubstituted enamide (II) to the corresponding amide (I).
    Type: Application
    Filed: July 1, 2005
    Publication date: January 15, 2009
    Inventors: Kevin R. Campos, Artis Klapars, J. Christopher McWilliams, C. Scott Shultz, Debra J. Wallace, Alex M. Chen, Lisa F. Frey, Andrey V. Peresypkin, Yaling Wang, Robert M. Wenslow, Cheng-Yi Chen
  • Publication number: 20080227786
    Abstract: Novel crystalline salts of (2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-&agr; amine are potent inhibitors of dipeptidyl peptidase-IV and are useful for the treatment of non-insulin dependent (Type 2) diabetes mellitus. The invention also relates to pharmaceutical compositions containing these novel salts, processes to prepare these salts and their pharmaceutical compositions as well as uses thereof for the treatment of Type 2 diabetes.
    Type: Application
    Filed: January 12, 2005
    Publication date: September 18, 2008
    Inventors: Russell R. Ferlita, Karl Hansen, Vicky K. Vydra, Yaling Wang, Christopher M. Lindemann
  • Patent number: 7074930
    Abstract: Amine salts of 3-{2-oxo-3-[3-(5,6,7,8-tetrahydro[1,8]naphthyridin-2-yl)-propyl]imidazolidin-1-yl}-3-(6-methoxy-pyridin-3-yl)propionic acid are potent antagonists of the integrin ?v?3 receptor and are useful for the prevention and/or treatment of osteoporosis and vascular restenosis, as well as conditions associated with excessive angiogenesis, such as macular degeneration, diabetic retinopathy, atherosclerosis, inflammatory arthritis, cancer, and metastatic tumor growth. The invention also relates to a process for the preparation of the novel salts as well as pharmaceutical compositions containing the salts and methods of using the salts.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: July 11, 2006
    Assignee: Merck & Co., Inc
    Inventors: Kenneth M. Wells, Nobuyoshi Yasuda, Yaling Wang
  • Publication number: 20050113577
    Abstract: The present invention relates to solid forms of the hydrochloride salt 3-[5-(4-methanesulfonyl-piperazin-1-yl-methyl)-1H-indol-2-yl]-1H-quinolin-2-one which inhibit, regulate and/or modulate tyrosine kinase signal transduction, compositions which contain these compounds, and methods of using them to treat tyrosine kinase-dependent diseases and conditions, such as angio-genesis, cancer, tumor growth, atherosclerosis, age related macular degeneration, diabetic retinopathy, inflammatory diseases, and the like in mammals.
    Type: Application
    Filed: April 11, 2003
    Publication date: May 26, 2005
    Inventors: Shyam Karki, Joseph Payack, Varaporn Treemaneekarn, Yaling Wang, Yuichi Sato
  • Publication number: 20040249158
    Abstract: Amine salts of 3-{2-oxo-3-[3-(5,6,7,8-tetrahydro[1,8]naphthyridin-2-yl)-propyl]imidazolidin-1-yl}-3-(6-methoxy-pyridin-3-yl)propionic acid are potent antagonists of the integrin &agr;v&bgr;3 receptor and are useful for the prevention and/or treatment of osteoporosis and vascular restenosis, as well as conditions associated with excessive angiogenesis, such as macular degeneration, diabetic retinopathy, atherosclerosis, inflammatory arthritis, cancer, and metastatic tumor growth. The invention also relates to a process for the preparation of the novel salts as well as pharmaceutical compositions containing the salts and methods of using the salts.
    Type: Application
    Filed: May 3, 2004
    Publication date: December 9, 2004
    Inventors: Kenneth M Wells, Nobuyoshi Yasuda, Yaling Wang
  • Publication number: 20030125336
    Abstract: Pharmaceutically acceptable hydrochloride and hydrobromide salts of Compound A are disclosed, wherein Compound A is of formula: 1
    Type: Application
    Filed: May 30, 2002
    Publication date: July 3, 2003
    Inventors: Fred J. Fleitz, Daniel E. Petrillo, Yaling Wang, Russell R. Ferlita, David C. Dubost, Joseph D. Armstrong
  • Patent number: 6509347
    Abstract: The present invention relates to novel crystalline forms of the integrin &agr;v&bgr;3 antagonist 3-{2-oxo-3-[3-(5,6,7,8-tetrahydro-[1,8]naphthyridin-2-yl)-propyl]imidazolidin-1-yl}-3(S)-(6-methoxy-pyridin-3-yl)-propionic acid.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: January 21, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Wei Xu, Yaling Wang
  • Publication number: 20020188001
    Abstract: The present invention relates to novel crystalline forms of the integrin &agr;v&bgr;3 antagonist 3-{2-oxo-3-[3-(5,6,7,8-tetrahydro-[1,8]naphthyridin-2-yl)-propyl]imidazolidin-1-yl}-3(S)-(6-methoxy-pyridin-3-yl)-propionic acid.
    Type: Application
    Filed: June 11, 2002
    Publication date: December 12, 2002
    Inventors: Wei Xu, Yaling Wang
  • Patent number: 6407241
    Abstract: A novel process is provided for the preparation of imidazolidinone &agr;v&bgr;3/&agr;v&bgr;5 integrin antagonists, and the useful intermediates obtained therein. These compounds are antagonists of &agr;v&bgr;3/&agr;v&bgr;5 integrin receptors and thus useful for inhibiting bone resorption and treating and preventing osteoporosis. Also disclosed is 3-{2-oxo-3-[3-(5,6,7,8-tetrahydro-[1,8]naphthyridin-2-yl)-propyl]imidazolidin-1-yl}-3(S)-(6-methoxy-pyridin-3-yl)-propionic acid in the form of a hemihydrate.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: June 18, 2002
    Assignee: Merck & Co., Inc.
    Inventors: Mark S Jensen, Michael Palucki, Nelo R. Rivera, Kenneth M. Wells, Yi Xiao, Yaling Wang, Chunhua Yang, Nobuyoshi Yasuda