Patents by Inventor Daxin Gao

Daxin Gao 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: 20240025899
    Abstract: A triheterocyclic derivative, and a pharmaceutical composition and an application thereof. The triheterocyclic derivative (I), and a stereoisomer or a pharmacologically acceptable salt thereof have the following structure. The triheterocyclic derivative has good effects of inhibiting ATR levels in vivo and in vitro, and furthermore, the triheterocyclic derivative can also effectively treat diseases caused by abnormal ATR levels, such as cancers.
    Type: Application
    Filed: October 15, 2021
    Publication date: January 25, 2024
    Inventors: Xiaohui LIU, Fengtao LIU, Daxin GAO
  • Patent number: 11248006
    Abstract: A macrocyclic derivative of pyrazol[3,4-d]pyrimidin-3-one as represented by formula (I) and/or a pharmaceutically acceptable salt thereof, a composition comprising the compound as represented by formula (I) and/or a pharmaceutically acceptable salt thereof, a preparation method therefor, use thereof as a Wee1 inhibitor and use thereof as a sensitizer in chemotherapy or a radiotherapy of cancers. The macrocyclic derivative of pyrazol[3,4-d]pyrimidin-3-one can effectively inhibit Wee1 and relating signaling pathways, having good therapeutic and relieving effects on cancers.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: February 15, 2022
    Assignee: SHANGHAI DE NOVO PHARMATECH CO., LTD.
    Inventors: Zhiming Zhao, Daxin Gao, Shoujun Chen, Zhiheng Wu
  • Publication number: 20220041644
    Abstract: A cyclic dinucleotide analogue, a pharmaceutical composition thereof, and application. A cyclic dinucleotide analogue (I), an isomer thereof, a prodrug, a stable isotope derivative, or a pharmaceutically acceptable salt has the following structure. The cyclic dinucleotide analogue can be used as a regulator of a stimulator of interferon genes (STING) and a related signal path thereof, and can effectively treat and/or relieve multiple types of diseases, including but not limited to malignant tumors, inflammations, autoimmune diseases, and infectious diseases. In addition, the STING regulator can also be used as a vaccine adjuvant.
    Type: Application
    Filed: September 18, 2019
    Publication date: February 10, 2022
    Inventors: Zhaolong TONG, Ping QIN, Fengtao LIU, Jinglu WANG, Xiaolei DENG, Hongli GUO, Dawei CHEN, Daxin GAO
  • Publication number: 20200377520
    Abstract: A macrocyclic derivative of pyrazol[3,4-d]pyrimidin-3-one as represented by formula (I) and/or a pharmaceutically acceptable salt thereof, a composition comprising the compound as represented by formula (I) and/or a pharmaceutically acceptable salt thereof, a preparation method therefor, use thereof as a Wee1 inhibitor and use thereof as a sensitizer in chemotherapy or a radiotherapy of cancers. The macrocyclic derivative of pyrazol[3,4-d]pyrimidin-3-one can effectively inhibit Wee1 and relating signaling pathways, having good therapeutic and relieving effects on cancers.
    Type: Application
    Filed: March 21, 2018
    Publication date: December 3, 2020
    Inventors: Zhiming ZHAO, Daxin GAO, Shoujun CHEN, Zhiheng WU
  • Patent number: 10669252
    Abstract: Disclosed are a benzazepine derivative, a preparation method, a pharmaceutical composition and the use thereof. A compound as shown in formula (I) of the present invention, and an isomer, a prodrug, a stable isotope derivative or a pharmaceutically acceptable salt thereof have the following structure. The benzazepine derivative of the present invention has a good regulation effect on the TLR family and the related signaling pathway, and in particular, has a good regulation effect on TLR8, can effectively treat, relieve and/or prevent various diseases mediated by TLR family and the TLR-related signaling pathway, and in particular, can effectively treat, relieve and/or prevent various diseases mediated by TLR8, such as cancers, autoimmune diseases, infections, inflammations, transplantation rejections, graft-versus-host diseases, etc.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: June 2, 2020
    Assignee: SHANGHAI DE NOVO PHARMATECH CO., LTD.
    Inventors: Daxin Gao, Yuxun Wang, Shoujun Chen, Heping Yang
  • Publication number: 20190152941
    Abstract: Disclosed are a benzazepine derivative, a preparation method, a pharmaceutical composition and the use thereof. A compound as shown in formula (I) of the present invention, and an isomer, a prodrug, a stable isotope derivative or a pharmaceutically acceptable salt thereof have the following structure. The benzazepine derivative of the present invention has a good regulation effect on the TLR family and the related signaling pathway, and in particular, has a good regulation effect on TLR8, can effectively treat, relieve and/or prevent various diseases mediated by TLR family and the TLR-related signaling pathway, and in particular, can effectively treat, relieve and/or prevent various diseases mediated by TLR8, such as cancers, autoimmune diseases, infections, inflammations, transplantation rejections, graft-versus-host diseases, etc.
    Type: Application
    Filed: May 4, 2017
    Publication date: May 23, 2019
    Applicant: SHANGHAI DE NOVO PHARMATECH CO., LTD.
    Inventors: Daxin GAO, Yuxun WANG, Shoujun CHEN, Heping YANG
  • Patent number: 10202388
    Abstract: This disclosure is related to a fused-ring compound of formula (I) and/or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the fused ring compound of formula (I) and/or a pharmaceutically acceptable salt thereof, preparation methods thereof, and use thereof in modulating activity of indoleamine 2, 3-dioxygenase (IDO) and/or tryptophan 2, 3-dioxygenase (TDO). This disclosure further provides methods of treating IDO and/or TDO-associated diseases, including cancer, viral infection and autoimmune diseases.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: February 12, 2019
    Assignee: SHANGHAI DE NOVO PHARMATECH CO., LTD.
    Inventors: Qun Li, Daxin Gao
  • Patent number: 9914724
    Abstract: This invention relates to a kind of C- aryl glycoside derivatives, its pharmaceutical compositions, preparation methods, and uses thereof. The preparation method comprises: method 1: in a solvent, deprotecting the acetyl protecting groups of compound 1-f in the presence of a base; method 2: 1) compound 2-g reacts with via Mitsunobu reaction; 2) deprotecting the acetyl protecting groups of compound 2-f obtained from step 1; method 3: 1) compound 2-g reacts with via nucleophilic substitution reaction; 2) deprotecting the acetyl protecting groups of compound 3-f obtained from step 1. The pharmaceutical composition comprises a kind of C- aryl glycoside derivatives; it's pharmaceutically acceptable salts and/or prodrugs thereof and excipient thereof. This invention relates to a kind of C- aryl glycoside derivatives, it's pharmaceutically acceptable salts or compositions thereof for preparing a SGLT inhibitor. The C- aryl glycoside derivatives of this invention provides a new direction for SGLT inhibitors.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: March 13, 2018
    Assignee: SHANGHAI DE NOVO PHARMATECH CO., LTD.
    Inventors: Daxin Gao, Heping Yang, Pei Wang
  • Publication number: 20180022752
    Abstract: This disclosure is related to a fused-ring compound of formula (I) and/or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the fused ring compound of formula (I) and/or a pharmaceutically acceptable salt thereof, preparation methods thereof, and use thereof in modulating activity of indoleamine 2, 3-dioxygenase (IDO) and/or tryptophan 2, 3-dioxygenase (TDO). This disclosure further provides methods of treating IDO and/or TDO-associated diseases, including cancer, viral infection and autoimmune diseases.
    Type: Application
    Filed: February 3, 2016
    Publication date: January 25, 2018
    Applicant: Shanghai De Novo Pharmatech Co., Ltd.
    Inventors: Qun LI, Daxin GAO
  • Publication number: 20170037038
    Abstract: This invention relates to a kind of C-aryl glycoside derivatives, its pharmaceutical compositions, preparation methods, and uses thereof. The preparation method comprises: method 1: in a solvent, deprotecting the acetyl protecting groups of compound 1-f in the presence of a base; method 2: 1) compound 2-g reacts with via Mitsunobu reaction; 2) deprotecting the acetyl protecting groups of compound 2-f obtained from step 1; method 3: 1) compound 2-g reacts with via nucleophilic substitution reaction; 2) deprotecting the acetyl protecting groups of compound 3-f obtained from step 1. The pharmaceutical composition comprises a kind of C-aryl glycoside derivatives; it's pharmaceutically acceptable salts and/or prodrugs thereof and excipient thereof. This invention further relates to a kind of C-aryl glycoside derivatives, it's pharmaceutically acceptable salts or pharmaceutical compositions thereof for the use in preparation of a SGLT inhibitor.
    Type: Application
    Filed: April 1, 2015
    Publication date: February 9, 2017
    Applicant: SHANGHAI DE NOVO PHARMATECH CO. LTD.
    Inventors: Daxin GAO, Heping YANG, Pei WANG
  • Patent number: 9216997
    Abstract: The present invention relates to a tri-heterocyclic derivatives, preparation process and uses thereof, specifically relates to a tri-heterocyclic derivatives of the formula (I) or a pharmaceutically acceptable salt thereof, preparation process, and further relates to a pharmaceutically acceptable composition comprising compounds of formula (I), or a pharmaceutically acceptable salt thereof, and their pharmaceutical use as inhibitors of kinase.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: December 22, 2015
    Assignee: Shanghai De Novo Pharmatech Co Ltd.
    Inventors: Daxin Gao, Heping Yang, Yajun Yu
  • Patent number: 8999985
    Abstract: Disclosed are substituted phthalazin-1 (2H)-ones of the formula (IA), preparation processes and medical uses thereof, particularly related to the compositions containing the same and the uses thereof, more particularly related to their pharmaceutical use as inhibitors of PARP.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: April 7, 2015
    Assignee: Shanghai de Novo Pharmatech Co Ltd.
    Inventor: Daxin Gao
  • Publication number: 20140329800
    Abstract: The present invention relates to a tri-heterocyclic derivatives, preparation process and uses thereof, specifically relates to a tri-heterocyclic derivatives of the formula (I) or a pharmaceutically acceptable salt thereof, preparation process, and further relates to a pharmaceutically acceptable composition comprising compounds of formula (I), or a pharmaceutically acceptable salt thereof, and their pharmaceutical use as inhibitors of kinase.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 6, 2014
    Inventors: Daxin Gao, Heping Yang, Yajun Yu
  • Publication number: 20130224107
    Abstract: Disclosed are heterocyclic derivatives, methods for making them, compositions containing the same and uses thereof. Particularly, their pharmaceutical use as inhibitors of PARP is disclosed.
    Type: Application
    Filed: December 2, 2010
    Publication date: August 29, 2013
    Applicant: SHANGHAI DE NOVO PHARMATECH CO LTD.
    Inventor: Daxin Gao
  • Publication number: 20120302534
    Abstract: The present invention relates to a compound characterized by the following Formula I: or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, X, and Y are as described herein. Compounds of the present invention are useful for the treatment of HIV-1.
    Type: Application
    Filed: February 9, 2011
    Publication date: November 29, 2012
    Inventors: Daxin Gao, Nianhe Han, Zhimin Jin, Fangxian Ning, Jun Tang, Yongyong Wu, Heping Yang
  • Patent number: 7579340
    Abstract: The present invention relates to urotensin II receptor antagonists, CCR-9 antagonists, pharmaceutical compositions containing them and their use.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: August 25, 2009
    Assignee: Pfizer Inc
    Inventors: Ronald Biediger, Jie Chen, Daxin Gao, Robert Market, Chengde Wu
  • Patent number: 7320989
    Abstract: The present invention relates to urotensin II receptor antagonists, pharmaceutical compositions containing them and their use.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: January 22, 2008
    Assignee: Encysive Pharmaceuticals, Inc.
    Inventors: Eric Anderson, Brian Dupre, Daxin Gao, Raymond J. Kessler, Wen Li, Chengde Wu
  • Patent number: 7319111
    Abstract: The present invention relates to urotensin II receptor antagonists, CCR-9 antagonists, pharmaceutical compositions containing them and their use.
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: January 15, 2008
    Assignee: Encysive Pharmaceuticals, Inc.
    Inventors: Daxin Gao, Robert Market, Chengde Wu
  • Publication number: 20080004312
    Abstract: The present invention relates to urotensin II receptor antagonists, pharmaceutical compositions containing them and their use.
    Type: Application
    Filed: May 25, 2007
    Publication date: January 3, 2008
    Inventors: Eric Anderson, Brian Dupre, Daxin Gao, Raymond Kessler, Wen Li, Chengde Wu
  • Publication number: 20070293503
    Abstract: The present invention relates to urotensin II receptor antagonists, CCR-9 antagonists, pharmaceutical compositions containing them and their use.
    Type: Application
    Filed: August 22, 2007
    Publication date: December 20, 2007
    Inventors: Ronald Biediger, Jie Chen, Daxin Gao, Robert Market, Chengde Wu