Patents by Inventor Chutian Shu

Chutian Shu 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: 11629161
    Abstract: Intermediate compounds are described herein and which are used to manufacture a crystalline compound 1-cyano-2-(4-cyclopropyl-benzyl)-4-(?-D-glucopyranos-1-yl)-benzene L-proline monohydrate.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 18, 2023
    Inventors: Matthias Eckhardt, Monika Brink, Frank Himmelsbach, Stefan Sahli, Chutian Shu, Xiao-Jun Wang, Beat Theodor Weber, Bing-Shiou Yang
  • Patent number: 11578053
    Abstract: The present invention relates to a method of synthesizing a compound of formula (I) also referred to as 4-(((2S,4S)-(4-ethoxy-1-(((5-methoxy-7-methyl-1H-indol-4-yl)methyl)piperidin-2-yl))benzoic acid, or a pharmaceutically acceptable salt thereof, and/or intermediates thereof, their use as pharmaceuticals and pharmaceutical compositions and the use of intermediates for preparing a compound of formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: February 14, 2023
    Assignee: Novartis AG
    Inventors: Peng Fu, Yu Gai, Feng Gao, Weiyong Kong, Yadong Lu, Zhongcheng Min, Shaofeng Rong, Chutian Shu, Can Wang, Ruidong Wang, Jibin Zhao, Xianglin Zhao, Yi Zhao, Jianguang Zhou, Benjamin Martin
  • Publication number: 20220169630
    Abstract: The present invention relates to a method of synthesizing a compound of formula (I) also referred to as 4-(((2S,4S)-(4-ethoxy-1-(((5-methoxy-7-methyl-1H-indol-4-yl)methyl)piperidin-2-yl))benzoic acid, or a pharmaceutically acceptable salt thereof, and/or intermediates thereof, their use as pharmaceuticals and pharmaceutical compositions and the use of intermediates for preparing a compound of formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 2, 2022
    Inventors: Peng FU, Yu GAI, Feng GAO, Weiyong KONG, Yadong LU, Zhongcheng MIN, Shaofeng RONG, Chutian SHU, Can WANG, Ruidong WANG, Jibin ZHAO, Xianglin ZHAO, Yi ZHAO, Jianguang ZHOU, Benjamin MARTIN
  • Publication number: 20220098184
    Abstract: Provided herein are pharmaceutical compositions comprising a substantially amorphous form of 6-(4-((5-cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methoxy)piperidin-1-yl)-1-methyl-1H-indole-3-carboxylic acid, such as solid dispersions of 6-(4-((5-cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methoxy)piperidin-1-yl)-1-methyl-1H-indole-3-carboxylic acid; methods of preparation thereof, and methods of use thereof.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 31, 2022
    Inventors: Yujin WANG, Chutian Shu, Sheng Guo, Matt Duan, Jianwei Bian, Jianxin Deng, Aiyong Si
  • Publication number: 20220081461
    Abstract: Intermediate compounds are described herein and which are used to manufacture a crystalline compound 1-cyano-2-(4-cyclopropyl-benzyl)-4-(?-D-glucopyranos-1-yl)-benzene L-proline monohydrate.
    Type: Application
    Filed: November 30, 2021
    Publication date: March 17, 2022
    Inventors: Matthias ECKHARDT, Monika BRINK, Frank HIMMELSBACH, Stefan SAHLI, Chutian SHU, Xiao-Jun WANG, Beat Theodor WEBER, Bing-Shiou YANG
  • Patent number: 11225500
    Abstract: The invention relates to a process for the manufacture of the crystalline compound according to formula (I) comprising the steps (a) deacetylating the final intermediate (FI), (b) forming the crystalline compound according to formula (I) by reacting the deacetylated final intermediate of step (a) with L-proline and water and isolating the final reaction product; processes of manufacturing intermediates thereof; process intermediates and their uses in the processes according to the present invention.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: January 18, 2022
    Inventors: Matthias Eckhardt, Monika Brink, Frank Himmelsbach, Stefan Sahli, Chutian Shu, Xiao-Jun Wang, Beat Theodor Weber, Bing-Shiou Yang
  • Patent number: 11208398
    Abstract: The present invention relates to a method of synthesizing a compound of formula (I) also referred to as 4-((2S,4S)-(4-ethoxy-1-((5-methoxy-7-methyl-1H-indol-4-yl)methyl)piperidin-2-yl))benzoic acid, or a pharmaceutically acceptable salt thereof, and/or intermediates thereof, their use as pharmaceuticals and pharmaceutical compositions and the use of intermediates for preparing a compound of formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: December 28, 2021
    Assignee: NOVARTIS AG
    Inventors: Peng Fu, Yu Gai, Feng Gao, Weiyong Kong, Yadong Lu, Zhongcheng Min, Shaofeng Rong, Chutian Shu, Can Wang, Ruidong Wang, Jibin Zhao, Xianglin Zhao, Yi Zhao, Jianguang Zhou, Benjamin Martin
  • Publication number: 20210269416
    Abstract: The present invention relates to a method of synthesizing a compound of formula (I) also referred to as 4-((2S,4S)-(4-ethoxy-1-((5-methoxy-7-methyl-1/-/-indol-4-yl)methyl)piperidin-2-yl))benzoic acid, or a pharmaceutically acceptable salt thereof, and/or intermediates thereof, their use as pharmaceuticals and pharmaceutical compositions and the use of intermediates for preparing a compound of formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: July 15, 2019
    Publication date: September 2, 2021
    Inventors: Peng FU, Yu GAI, Feng GAO, Weiyong KONG, Yadong LU, Zhongcheng MIN, Shaofeng RONG, Chutian SHU, Can WANG, Ruidong WANG, Jibin ZHAO, Xianglin ZHAO, Yi ZHAO, Jianguang ZHOU, Benjamin MARTIN
  • Publication number: 20210139520
    Abstract: The invention relates to a process for the manufacture of the crystalline compound according to formula (I) comprising the steps (a) deacetylating the final intermediate (FI), (b) forming the crystalline compound according to formula (I) by reacting the deacetylated final intermediate of step (a) with L-proline and water and isolating the final reaction product; processes of manufacturing intermediates thereof; process intermediates and their uses in the processes according to the present invention.
    Type: Application
    Filed: December 17, 2018
    Publication date: May 13, 2021
    Inventors: Matthias ECKHARDT, Monika BRINK, Frank HIMMELSBACH, Stefan SAHLI, Chutian SHU, Xiao-Jun WANG, Beat Theodor WEBER, Bing-Shiou YANG
  • Patent number: 10793588
    Abstract: The present invention relates to a crystalline form of a co-crystal of an inhibitor against sodium-glucose cotransporter 2 with L-proline, a method for preparing the same, a pharmaceutical composition comprising the same, and use thereof. Specifically, the present invention relates to a crystalline form of a co-crystal of an inhibitor against sodium-glucose cotransporter 2 represented by formula (1), i.e., (2S,3R,4R,5S,6R)-2-(3-(4-(((1R,3s,5S)-bicyclo[3.1.0]hexan-3-yl)oxy)benzyl)-4-chlorophenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol, with L-proline, a method for preparing the same, a pharmaceutical composition comprising the same, and use thereof.
    Type: Grant
    Filed: May 27, 2017
    Date of Patent: October 6, 2020
    Assignees: JI LIN HUI SHENG BIO-PHARMACEUTICAL CO., LTD., BEIJING HUIZHIHENG BIOTECHNOLOGY CO., LTD.
    Inventors: Chutian Shu, Zhenhua Wang
  • Patent number: 10689359
    Abstract: The invention relates to Crystal form I, Crystal form II and Crystal form III of N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by the following Formula (I), and preparation methods thereof, wherein the Crystal form I has an X-ray powder diffraction pattern having characteristic peaks at the 2? positions of 6.7±0.2°, 7.9±0.2°, 8.6±0.2°, 12.0±0.2°, 13.9±0.2°, 15.9±0.2°, 17.3±0.2°, 18.3±0.2°, 18.7±0.2°, 21.0±0.2°, and 23.0±0.2°, as determined by using Cu-K? radiation; the Crystal form II has an X-ray powder diffraction pattern having characteristic peaks at the 2? positions of 6.9±0.2°, 8.5±0.2°, 14.8±0.2°, 15.6±0.2°, 16.7±0.2°, 17.1±0.2°, 17.9±0.2°, 18.7±0.2°, 19.1±0.2°, 21.5±0.2°, 23.5±0.2°, and 25.7±0.2°, as determined by using Cu-K? radiation; and the Crystal form III has an X-ray powder diffraction pattern having characteristic peaks at the 2? positions of 4.9±0.2°, 6.1±0.2°, 7.4±0.2°, 11.4±0.2°, 12.2±0.2°, 16.6±0.2°, and 18.4±0.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: June 23, 2020
    Assignee: Xuanzhu Pharma Co., Ltd.
    Inventors: Chutian Shu, Jinyuan Wang, Zhenhua Wang, Yuzhen Feng
  • Publication number: 20200131216
    Abstract: The present invention relates to a crystalline form of a co-crystal of an inhibitor against sodium-glucose cotransporter 2 with L-proline, a method for preparing the same, a pharmaceutical composition comprising the same, and use thereof. Specifically, the present invention relates to a crystalline form of a co-crystal of an inhibitor against sodium-glucose cotransporter 2 represented by formula (1), i.e., (2S,3R,4R,5S,6R)-2-(3-(4-(((1R,3s,5S)-bicyclo[3.1.0]hexan-3-yl)oxy)benzyl)-4-chlorophenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol, with L-proline, a method for preparing the same, a pharmaceutical composition comprising the same, and use thereof.
    Type: Application
    Filed: May 27, 2017
    Publication date: April 30, 2020
    Applicants: HAINAN XUANZHU PHARMA CO., LTD., HAINAN XUANZHU PHARMA CO., LTD.
    Inventors: Chutian Shu, Zhenhua Wang
  • Patent number: 10633364
    Abstract: The invention relates to Crystal form I and Crystal form II of dihydrochloride of N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by the following Formula (I), and preparation methods therefor, wherein the Crystal form I has an X-ray powder diffraction pattern having characteristic peaks at the 2? positions of 6.0±0.2°, 7.3±0.2°, 11.7±0.2°, 12.9±0.2°, 18.4±0.2°, 24.7±0.2°, and 26.3±0.2°, as determined by using Cu-K? radiation, and the Crystal form II has an X-ray powder diffraction pattern having characteristic peaks at the 2? positions of 5.0±0.2°, 7.0±0.2°, 10.1±0.2°, 17.0±0.2°, 26.0±0.2°, and 26.5±0.2°, as determined by using Cu-K? radiation.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: April 28, 2020
    Assignee: XUANZHU PHARMA CO., LTD.
    Inventors: Chutian Shu, Jinyuan Wang, Zhenhua Wang
  • Publication number: 20190135779
    Abstract: The invention relates to Crystal form I and Crystal form II of dihydrochloride of N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazoli n-6-yl)acrylamide represented by the following Formula (I), and preparation methods therefor, wherein the Crystal form I has an X-ray powder diffraction pattern having characteristic peaks at the 2? positions of 6.0±0.2°, 7.3±0.2°, 11.7±0.2°, 12.9±0.2°, 18.4±0.2°, 24.7±0.2°, and 26.3±0.2°, as determined by using Cu-K? radiation, and the Crystal form II has an X-ray powder diffraction pattern having characteristic peaks at the 2? positions of 5.0±0.2°, 7.0±0.2°, 10.1±0.2°, 17.0±0.2°, 26.0±0.2°, and 26.5±0.2°, as determined by using Cu-K? radiation.
    Type: Application
    Filed: December 23, 2016
    Publication date: May 9, 2019
    Applicant: Xuanzhu Pharma Co., Ltd.
    Inventors: Chutian Shu, Jinyuan Wang, Zhenhua Wang
  • Publication number: 20190002434
    Abstract: The invention relates to Crystal form I, Crystal form II and Crystal form III of N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by the following Formula (I), and preparation methods thereof, wherein the Crystal form I has an X-ray powder diffraction pattern having characteristic peaks at the 20 positions of 6.7±0.2°, 7.9±0.2°, 8.6±0.2°, 12.0±0.2°, 13.9±0.2°, 15.9±0.2°, 17.3±0.2°, 18.3±0.2°, 18.7±0.2°, 21.0±0.2°, and 23.0±0.2°, as determined by using Cu-K? radiation; the Crystal form II has an X-ray powder diffraction pattern having characteristic peaks at the 20 positions of 6.9±0.2°, 8.5±0.2°, 14.8±0.2°, 15.6±0.2°, 16.7±0.2°, 17.1±0.2°, 17.9±0.2°, 18.7±0.2°, 19.1±0.2°, 21.5±0.2°, 23.5±0.2°, and 25.7±0.2°, as determined by using Cu-K? radiation; and the Crystal form III has an X-ray powder diffraction pattern having characteristic peaks at the 20 positions of 4.9±0.2°, 6.1±0.2°, 7.4±0.2°, 11.4±0.2°, 12.2±0.2°, 16.6±0.2°, and 18.4±0.
    Type: Application
    Filed: December 23, 2016
    Publication date: January 3, 2019
    Applicant: Xuanzhu Pharma Co., Ltd.
    Inventors: Chutian Shu, Jinyuan Wang, Zhenhua Wang, Yuzhen Feng
  • Patent number: 9527876
    Abstract: Provided are prodrugs of a bicyclic substituted pyrimidine type PDE-5 inhibitors, pharmaceutically acceptable salts or stereoisomers thereof. Also provided are methods for preparing these prodrug compounds, pharmaceutical preparations, and pharmaceutical compositions, as well as a use of these compounds, pharmaceutical preparations and pharmaceutical compositions in the manufacture of medicaments for treatment and/or prophylaxis of sexual dysfunction and lower urinary tract symptoms.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: December 27, 2016
    Assignee: Xuanzhu Pharma Co., Ltd.
    Inventors: Chutian Shu, Yongqian Wu
  • Patent number: 9365572
    Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, a stereoisomer or a solvate thereof, wherein R1, R2, R3, R4, X, Y, A and B are as defined in the specification. The present invention further relates to a method for preparing these compounds, a pharmaceutical composition containing these compounds, and a use of these compounds in manufacture of a medicament for treating and/or preventing proliferative diseases.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: June 14, 2016
    Assignee: Xuanzhu Pharma Co., Ltd.
    Inventors: Frank Wu, Chutian Shu
  • Publication number: 20160046654
    Abstract: Provided are prodrugs of a bicyclic substituted pyrimidine type PDE-5 inhibitors, pharmaceutically acceptable salts or stereoisomers thereof. Also provided are methods for preparing these prodrug compounds, pharmaceutical preparations, and pharmaceutical compositions, as well as a use of these compounds, pharmaceutical preparations and pharmaceutical compositions in the manufacture of medicaments for treatment and/or prophylaxis of sexual dysfunction and lower urinary tract symptoms.
    Type: Application
    Filed: March 28, 2014
    Publication date: February 18, 2016
    Inventors: Chutian Shu, Yongqian Wu
  • Publication number: 20150239885
    Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, a stereoisomer or a solvate thereof, wherein R1, R2, R3, R4, X, Y, A and B are as defined in the specification. The present invention further relates to a method for preparing these compounds, a pharmaceutical composition containing these compounds, and a use of these compounds in manufacture of a medicament for treating and/or preventing proliferative diseases.
    Type: Application
    Filed: September 12, 2013
    Publication date: August 27, 2015
    Applicant: XUANZHU PHARMA CO., LTD.
    Inventors: Frank Wu, Chutian Shu
  • Publication number: 20140206874
    Abstract: The present invention relates to the crystal form I of salt of a dipeptidyl peptidase-IV inhibitor, and the preparation method and use thereof. In particular, it relates to the crystal form I of dihydrochloride salt of the compound (R)-2-[[7-(3-aminopiperidin-1-yl)-3,5-dimethyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl]methyl]benzonitrile represented by formula (1), which is a dipeptidyl peptidase-IV inhibitor, and the preparation method and use thereof. The crystal form I of dihydrochloride salt of the dipeptidyl peptidase-IV inhibitor represented by formula (1) is characterized in that it has characteristic peaks at 8.7±0.2°, 19.4±0.2°, 23.5±0.2° and 27.2±0.2° in X-ray powder diffraction indicated by an angle 2? (°) using Cu-K? irradiation.
    Type: Application
    Filed: July 6, 2012
    Publication date: July 24, 2014
    Applicant: Xuanzhu Pharma Co., Ltd.
    Inventor: Chutian Shu