Patents by Inventor Wenxue Wu

Wenxue Wu 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: 20090118505
    Abstract: Intermediates and synthetic processes for the preparation of substituted phenylalanine-based compounds (e.g.
    Type: Application
    Filed: October 24, 2008
    Publication date: May 7, 2009
  • Patent number: 7521452
    Abstract: The present invention is generally directed to a process to directly prepare pharmaceutically acceptable salts enriched with respect to selected rotameric salts of a basic compound, by creative choice of an acid and a solvent medium. The process is particularly useful in preparing specific rotamers of pharmaceutically useful salts in desired preponderance of a rotamer.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: April 21, 2009
    Assignee: Schering Corporation
    Inventors: Wenxue Wu, Loc Thanh Tran, Bosco D'Sa, Feng Liang, William Leong, Hong-Chang Lee, Kevin Klopfer, Vijay Sabesen
  • Publication number: 20090099206
    Abstract: Solid forms of (S)-2-amino-3-(4-(2-amino-6-((R)-2,2,2-trifluoro-1-(3?-methoxybiphenyl-4-yl)ethoxy)pyrimidin-4-yl)phenyl)propanoic acid and salts thereof are disclosed.
    Type: Application
    Filed: October 7, 2008
    Publication date: April 16, 2009
    Inventors: Shinya Iimura, Hui-Yin Li, Qiuling Song, Wenxue Wu, Matthew Mangzhu Zhao
  • Publication number: 20090093496
    Abstract: The present invention is generally directed to a process to directly prepare pharmaceutically acceptable salts enriched with respect to selected rotameric salts of a basic compound, by creative choice of an acid and a solvent medium. The process is particularly useful in preparing specific rotamers of pharmaceutically useful salts in desired preponderance of a rotamer.
    Type: Application
    Filed: December 10, 2008
    Publication date: April 9, 2009
    Inventors: Wenxue Wu, Loc Thanh Tran, Bosco D'Sa, Feng Liang, William Leong, Hong-Chang Lee, Kevin Klopfer, Vijay Sabesan
  • Publication number: 20090062540
    Abstract: Methods useful for preparing compounds of formula I: and salts thereof are disclosed. Also disclosed are intermediates useful in the preparation of such compounds.
    Type: Application
    Filed: August 22, 2008
    Publication date: March 5, 2009
    Inventors: Mark S. Bednarz, Hugh Alfred Burgoon, JR., Shinya Iimura, Ramanaiah C. Kanamarlapudi, Qiuling Song, Wenxue Wu, Jie Yan, Haiming Zhang
  • Publication number: 20090048280
    Abstract: Intermediates and synthetic processes for the preparation of substituted phenylalanine-based compounds (e.g.
    Type: Application
    Filed: December 28, 2006
    Publication date: February 19, 2009
  • Publication number: 20090030198
    Abstract: Methods of synthesizing sodium glucose co-transporter 2 inhibitors, as well as compounds useful therein, are disclosed.
    Type: Application
    Filed: July 17, 2008
    Publication date: January 29, 2009
    Inventors: Nicole Cathleen Goodwin, Bryce Alden Harrison, Shinya Iimura, Ross Mabon, Qiuling Song, Wenxue Wu, Jie Yan, Haiming Zhang, Matthew Mangzhu Zhao
  • Publication number: 20080275099
    Abstract: Solid forms of (E)-1-(4-((1R,2S,3R)-1,2,3,4-tetrahydroxybutyl)-1H-imidazol-2-yl)ethanone oxime, compositions comprising them, and methods of their use are disclosed.
    Type: Application
    Filed: April 11, 2008
    Publication date: November 6, 2008
    Inventors: Wenxue Wu, Haiming Zhang
  • Patent number: 7442712
    Abstract: A compound represented by the structural formula and pharmaceutically acceptable salts and solvents thereof is disclosed, wherein: the single-dashed line between the ring carbons to which R10 and R34 are attached represents either a single bond or a double bond; the double-dashed line between X and the carbon to which Y is attached represents either a single bond or an absent bond; X is —O— or —NR6— when the double-dashed line represents a single bond; X is H, —OH or —NHR20 when the double-dashed line represents an absent bond; and other parameters are as defined herein. Also disclosed are pharmaceutical compositions and combinations containing said compounds and their uses as thrombin receptor antagonists and binders to cannabinoid receptors.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: October 28, 2008
    Assignee: Schering Corporation
    Inventors: Mariappan V. Chelliah, Samuel Chackalamannil, Yan Xia, Martin C. Clasby, William J. Greenlee, Yuguang Wang, Enrico P. Veltri, Wenxue Wu, Michael P. Graziano, Teddy Kosoglou, Madhu Chintala
  • Publication number: 20080262241
    Abstract: Methods of preparing imidazole-based compounds are disclosed.
    Type: Application
    Filed: April 11, 2008
    Publication date: October 23, 2008
    Inventors: Wenxue Wu, Jie Yan, Haiming Zhang
  • Publication number: 20080177070
    Abstract: Novel methods of synthesizing piperazines, piperidines and related compounds are disclosed, as are compounds useful for their preparation.
    Type: Application
    Filed: August 2, 2007
    Publication date: July 24, 2008
    Inventors: Hugh Alfred Burgoon, Ramanaiah C. Kanamarlapudi, Wenxue Wu
  • Publication number: 20080097098
    Abstract: Methods of preparing 5-alkyl-7H-pyrrolo[2,3-d]pyrimidin-4-ols are described, as are novel compounds useful in their preparation.
    Type: Application
    Filed: October 22, 2007
    Publication date: April 24, 2008
    Inventors: Mark Bednarz, Ramanaiah Kanamarlapudi, Wenxue Wu
  • Patent number: 7304078
    Abstract: Heterocyclic-substituted tricyclics of the formula or a pharmaceutically acceptable salt thereof, wherein: the dotted line represents an optional single bond; represents an optional double bond; n is 0–2; Q is cycloalkyl, optionally substituted by R13 and R14; R13 and R14 are independently selected from (C1–C6)alkyl, (C3–C8)cycloalkyl, —OH, (C1–C6)alkoxy, R27-aryl(C1–C6)alkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, halogen and haloalkyl; or R13 and R14 together form a spirocyclic or a heterospirocyclic ring of 3–6 atoms; Het is a mono- or bi-cyclic optionally substituted heteroaryl group; and B is a bond, alkylene, or optionally substituted alkenylene or alkynylene, wherein the remaining substituents are as defined in the specification, are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administering
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: December 4, 2007
    Assignee: Schering Corporation
    Inventors: Samuel Chackalamannil, William J. Greenlee, Yuguang Wang, Wenxue Wu, Enrico P. Veltri, Yan Xia
  • Publication number: 20070203193
    Abstract: A crystalline polymorph of a bislulfate salt of a thrombin receptor antagonist compound, which exhibits a powder x-ray diffraction profile substantially the same as that shown in FIG. 1, or which exhibits a differential scanning calorimtery profile substantially the same as that shown in FIG. 3, and is represented by the formula for Compound 2: and processes for preparing Compound 2 are disclosed. Pharmaceutical compositions comprising the polymorph of the bisulfate salt and at least one excipient or carrier, and methods of using the polymorph of Compound 2 to treat a variety of physiological disorders, such as thrombosis, are also disclosed.
    Type: Application
    Filed: May 2, 2007
    Publication date: August 30, 2007
    Inventors: Tiruvettipuram Thiruvengadam, Wenxue Wu, Tao Wang, John Chiu, Susan Bogdanowich-Knipp, Anastasia Palovsky, William Greenlee, Michael Graziano, Teddy Kosoglou, Madhu Chintala, Samuel Chackalamannil
  • Publication number: 20070191370
    Abstract: Compounds of formulae I and II are disclosed, as well as compositions comprising them and methods of their use to treat, prevent and manage serotonin-mediated diseases and disorders:
    Type: Application
    Filed: December 12, 2006
    Publication date: August 16, 2007
    Inventors: Arokiasamy Devasagayaraj, Haihong Jin, Qingyun Liu, Brett Marinelli, Lakshama Samala, Zhi-Cai Shi, Ashok Tunoori, Ying Wang, Wenxue Wu, Chengmin Zhang, Haiming Zhang
  • Patent number: 7235567
    Abstract: A crystalline polymorph of a bisulfate salt of a thrombin receptor antagonist compound, which exhibits a powder x-ray diffraction profile substantially the same as that shown in FIG. 1, or which exhibits a differential scanning calorimtery profile substantially the same as that shown in FIG. 3, and is represented by the formula for Compound 2: and processes for preparing Compound 2 are disclosed. Pharmaceutical compositions comprising the polymorph of the bisulfate salt and at least one excipient or carrier, and methods of using the polymorph of Compound 2 to treat a variety of physiological disorders, such as thrombosis, are also disclosed.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: June 26, 2007
    Assignee: Schering Corporation
    Inventor: Wenxue Wu
  • Publication number: 20060258863
    Abstract: The present invention is directed to the synthesis of 4-[4-[(R)-[1-[cyclopropylsulfonyl)-4-piperidinyl](3-fluorophenyl)methyl]-3(S)-methyl-1-piperazinyl]-1-[(4,6-dimethyl-5-pyrimidinyl)carbonyl]-4-methylpiperidine], and intermediates therefor from readily available starting materials by a novel route.
    Type: Application
    Filed: January 5, 2006
    Publication date: November 16, 2006
    Inventors: Xiongwei Shi, Man Zhu, William Leong, Vilas Dahanukar, Ilia Zavialov, Cecilia Proletei, Shannon Zhao, Hong-Chang Lee, Yi Liu, Hoa Nguyen, Wenxue Wu, Bosco D'Sa, Feng Liang, Loc Tran
  • Patent number: 7129357
    Abstract: In one embodiment, the present application discloses a process for making the compound of the formula:
    Type: Grant
    Filed: September 13, 2004
    Date of Patent: October 31, 2006
    Assignee: Schering Corporation
    Inventors: David R. Andrews, Suhan Tang, Wenxue Wu, Sami Y. Kalliney, Anantha Sudhakar, Christopher Nielsen
  • Publication number: 20060241295
    Abstract: The present invention is generally directed to a process to directly prepare pharmaceutically acceptable salts enriched with respect to selected rotameric salts of a basic compound, by creative choice of an acid and a solvent medium. The process is particularly useful in preparing specific rotamers of pharmaceutically useful salts in desired preponderance of a rotamer.
    Type: Application
    Filed: January 5, 2006
    Publication date: October 26, 2006
    Inventors: Wenxue Wu, Loc Tran, Bosco D'Sa, Feng Liang, William Leong, Hong-Chang Lee, Kevin Klopfer, Vijay Sabesen
  • Publication number: 20060173189
    Abstract: The present invention relates to an improved process for preparing himbacine analogs. The compounds are useful as thrombin receptor antagonists. The improved process may allow for at least one of easier purification by crystallization, easier scalability, and improved process yield on the desired enantiomer.
    Type: Application
    Filed: January 12, 2006
    Publication date: August 3, 2006
    Inventors: Tiruvettipuram Thiruvengadam, Tao Wang, Jing Liao, John Chiu, David Tsai, Hong-Chang Lee, Wenxue Wu, Xiaoyong Fu