Patents by Inventor Xin-Jie Chu

Xin-Jie Chu 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).

  • Patent number: 8017607
    Abstract: There are provided compounds of the formula wherein X, Y, R1, R2, R3, R3, R4, and R5 are as described herein and enantiomers and pharmaceutically acceptable salts and esters thereof which are useful as anticancer agents.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: September 13, 2011
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Jin-Jun Liu, Tina Morgan Ross, Zhuming Zhang
  • Patent number: 8003785
    Abstract: The present invention provides PLK1 inhibitor compounds of formula I: useful in the treatment or control of cell proliferative disorders, particularly oncological disorders. These compounds and formulations containing such compounds may be useful in the treatment or control of solid tumors, such as, for example, breast, colon, lung and prostate tumors and other oncological diseases such as non-Hodgkin's lymphomas. Also provided are intermediate compounds useful in the synthesis of compounds of formula I.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: August 23, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Jianping Cai, Shaoqing Chen, Xin-Jie Chu, Kin-Chun Luk, Steven Gregory Mischke, Hongmao Sun, Peter Michael Wovkulich
  • Patent number: 7994321
    Abstract: There are provided compounds of the formula wherein R1, R2, R3, X, Y, Q, Ring A and Ring B are as described. The compounds exhibit activity as anticancer agents.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: August 9, 2011
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Yi Chen, Xin-Jie Chu, Kin-Chun Luk
  • Patent number: 7968554
    Abstract: Disclosed are novel pyrazolo[3,4-d]pyrimidine derivatives that are inhibitors of Raf kinase. These compounds and their pharmaceutically-acceptable salts and esters are anti-proliferative agents useful in the treatment or control of proliferative disorders such as solid tumors, in particular breast tumor, colon tumor, lung tumor, prostate tumor, and melanoma. Also disclosed are a composition and a unit dose formulation comprising such a compound, or a pharmaceutically-acceptable salt or ester thereof, methods for making such compounds, and methods for using such compounds, or their pharmaceutically-acceptable salts or esters, in the treatment of proliferative disorders.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: June 28, 2011
    Assignee: Hoffman-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Kin-Chun Luk
  • Publication number: 20110130398
    Abstract: There are provided compounds of the formula wherein X, Y and R1 to R8 are described herein along with the enantiomers, pharmaceutically acceptable salts and esters thereof. The compounds are useful as anticancer agents.
    Type: Application
    Filed: November 4, 2010
    Publication date: June 2, 2011
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Qingjie Ding, Bradford James Graves, Nan Jiang, Jing Zhang, Zhuming Zhang
  • Publication number: 20110086854
    Abstract: There are provided compounds of the formula wherein X, Y, R1, R2, R3, R3, R4, and R5 are as described herein and enantiomers and pharmaceutically acceptable salts and esters thereof which are useful as anticancer agents.
    Type: Application
    Filed: October 6, 2010
    Publication date: April 14, 2011
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Jin-Jun Liu, Tina Morgan Ross, Zhuming Zhang
  • Publication number: 20100160308
    Abstract: The invention is directed to compounds of formula (1) and pharmaceutically acceptable salts thereof, methods for the preparation thereof, and methods of use thereof.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 24, 2010
    Inventors: Jianping Cai, Shaoqing Chen, Yi Chen, Xin-Jie Chu, Robert Alan Goodnow, JR., Kang Le, Kin-Chun Luk, Steven Gregory Mischke, Peter Michael Wovkulich
  • Publication number: 20100152190
    Abstract: There are provided compounds of the formula wherein X, Y, R1, R2, R3, R3, R4, R5, R6 and R7 are as described herein and enantiomers and pharmaceutically acceptable salts and esters thereof. The compounds are useful as anticancer agents.
    Type: Application
    Filed: February 9, 2010
    Publication date: June 17, 2010
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Qingjie Ding, Nan Jiang, Jin-Jun Liu, Tina Morgan Ross, Jing Zhang, Zhuming Zhang
  • Publication number: 20090318408
    Abstract: The present invention provides PLK1 inhibitor compounds of formula I: useful in the treatment or control of cell proliferative disorders, particularly oncological disorders. These compounds and formulations containing such compounds may be useful in the treatment or control of solid tumors, such as, for example, breast, colon, lung and prostate tumors and other oncological diseases such as non-Hodgkin's lymphomas. Also provided are intermediate compounds useful in the synthesis of compounds of formula I.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 24, 2009
    Inventors: Jianping Cai, Shaoqing Chen, Xin-Jie Chu, Kin-Chun Luk, Steven Gregory Mischke, Hongmao Sun, Peter Michael Wovkulich
  • Patent number: 7615634
    Abstract: Novel intermediate compounds are disclosed. These compounds are useful in the synthesis of 4-aminopyrimidine-5-one derivatives that inhibit cyclin-dependent kinases, in particular cyclin-dependent kinase 4 (Cdk4). The 4-aminopyrimidine-5-one derivatives and their pharmaceutically acceptable salts have antiproliferative activity and are useful in the treatment or control of cancer, in particular solid tumors.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: November 10, 2009
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Qingjie Ding, Nan Jiang, Allen John Lovey, John Anthony Moliterni, John Guilfoyle Mullin, Jr., Binh Thanh Vu, Peter Michael Wovkulich
  • Publication number: 20090111789
    Abstract: There are provided compounds of the formula or the pharmaceutically acceptable salts thereof, wherein X, Y, Z, V1, V2, R1, R2, R3, R4 and R5 are herein described. These compounds are useful as anticancer agents.
    Type: Application
    Filed: October 9, 2008
    Publication date: April 30, 2009
    Inventors: David Joseph Bartkovitz, Jianping Cai, Xin-Jie Chu, Hongju Li, Allen John Lovey, Binh Thanh Vu, Chunlin Zhao
  • Publication number: 20090048274
    Abstract: Disclosed are novel pyrazolo[3,4-d]pyrimidine derivatives that are inhibitors of Raf kinase. These compounds and their pharmaceutically-acceptable salts and esters are anti-proliferative agents useful in the treatment or control of proliferative disorders such as solid tumors, in particular breast tumor, colon tumor, lung tumor, prostate tumor, and melanoma. Also disclosed are a composition and a unit dose formulation comprising such a compound, or a pharmaceutically-acceptable salt or ester thereof, methods for making such compounds, and methods for using such compounds, or their pharmaceutically-acceptable salts or esters, in the treatment of proliferative disorders.
    Type: Application
    Filed: July 18, 2008
    Publication date: February 19, 2009
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Kin-Chun Luk
  • Patent number: 7427635
    Abstract: The present invention relates to compounds of the formula which are useful in treating diseases characterized by the hyperactivity of MEK. Accordingly the compounds are useful in the treatment of diseases, such as, cancer, cognative and CNS disorders and inflammatory/autoimmune diseases.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: September 23, 2008
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Xin-Jie Chu, Nader Fotouhi, Nicholas J. S. Huby, Norman Kong, Lee Apostle McDermott, John Moliterni, Zhuming Zhang
  • Patent number: 7423051
    Abstract: Novel 2,6-diaminopyridine derivatives of formula wherein R1 and R2 are as defined below, are disclosed. These compounds inhibit cyclin-dependent kinases. These compounds and their pharmaceutically acceptable salts and esters have antiproliferative activity and are useful in the treatment or control of cancer, in particular solid tumors. This invention is also directed to pharmaceutical compositions containing such compounds and to methods of treating or controlling cancer, most particularly the treatment or control of breast, lung, colon and prostate tumors. Also disclosed are intermediates useful in the preparation of these novel 2,6-diaminopyridine derivatives.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: September 9, 2008
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Allen John Lovey, Peter Michael Wovkulich
  • Patent number: 7423053
    Abstract: Novel 4-aminothiazole derivatives are disclosed. These compounds inhibit cyclin-dependent kinases. These compounds and their pharmaceutically acceptable salts and esters have antiproliferative activity and are useful in the treatment or control of cancer, in particular solid tumors. This invention is also directed to pharmaceutical compositions containing such compounds and to methods of treating or controlling cancer, most particularly the treatment or control of breast, lung, colon and prostate tumors. Also disclosed are intermediates useful in the preparation of these novel 4-aminothiazole derivatives.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: September 9, 2008
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Li Chen, Xin-Jie Chu, Allen John Lovey, Chunlin Zhao
  • Publication number: 20080177036
    Abstract: Peptides of formulae I, II and III that selectively activate melanocortin-4 (MC-4) receptor activity.
    Type: Application
    Filed: March 14, 2008
    Publication date: July 24, 2008
    Inventors: Li Chen, Adrian Wai-Hing Cheung, Xin-Jie Chu, Waleed Danho, Joseph Swistok, Keith Alan Yagaloff
  • Publication number: 20080045562
    Abstract: There are provided compounds of the formula wherein R1, R2, R3, X, Y, Q, Ring A and Ring B are as described. The compounds exhibit activity as anticancer agents.
    Type: Application
    Filed: July 20, 2007
    Publication date: February 21, 2008
    Inventors: David Joseph Bartkovitz, Yi Chen, Xin-Jie Chu, Kin-Chun Luk
  • Publication number: 20070060607
    Abstract: The present invention relates to compounds of the formula medicaments containing them and the use of these compounds as pharmaceutically active agents. The compounds exhibit activity as Raf kinase inhibitors and therefore may be useful for the treatment of diseases mediated by said kinases, especially as anticancer agents.
    Type: Application
    Filed: September 7, 2006
    Publication date: March 15, 2007
    Inventors: David Bartkovitz, Yi Chen, Xin-Jie Chu, Kin-Chun Luk, Pamela Rossman, Sung-Sau So
  • Patent number: 7157455
    Abstract: Novel 4-aminopyrimidine-5-one derivatives are disclosed. These compounds inhibit cyclin-dependent kinases, in particular cyclin-dependent kinase 4 (Cdk4). These compounds and their pharmaceutically acceptable salts and esters have antiproliferative activity and are useful in the treatment or control of cancer, in particular solid tumors. This invention is also directed to pharmaceutical compositions containing such compounds and to methods of treating or controlling cancer, most particularly the treatment or control of breast, lung, colon and prostate tumors. Also disclosed are intermediates useful in the preparation of these novel 4-aminopyrimidine-5-one derivatives.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: January 2, 2007
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Qingjie Ding, Nan Jiang, Allen John Lovey, John Anthony Moliterni, John Guilfoyle Mullin, Jr., Binh Thanh Vu, Peter Michael Wovkulich
  • Patent number: 7045591
    Abstract: Peptides cyclized via disulfide or lactam bridges are disclosed. The peptides exhibit melanocortin-4 receptor agonist activity and are useful for treating obesity.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: May 16, 2006
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Li Chen, Adrian Wai-Hing Cheung, Xin-Jie Chu, Waleed Danho, Joseph Swistok, Yao Wang, Keith Alan Yagaloff