Patents Assigned to SUZHOU ZELGEN BIOPHARMACEUTICAL CO., LTD.
  • Patent number: 11459327
    Abstract: Cycloalkyl and hetero-cycloalkyl inhibitors, preparation methods therefor, and the use thereof are described. Compounds of the present invention have a structure represented by formula (I). Further disclosed are preparation methods for said compounds, and the use of said compounds as KRASG12C inhibitors. The compounds have an excellent ability to selectively inhibit KRASG12C, improved pharmacodynamic and pharmacokinetic performance, and reduced toxic side effects.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: October 4, 2022
    Assignees: Suzhou Zelgen Biopharmaceuticals Co., Ltd., Shanghai Zelgen Pharma.Tech Co., Ltd.
    Inventors: Binhua Lv, Dawei Cui, Lianjun Liu, Tao Han, Runqing Wang, Peizhong Ni, Zelin Sheng
  • Patent number: 10618884
    Abstract: Deuterated diaminopyrimidine compounds, and intermediates thereof are described. In particular, disclosed are deuterated diaminopyrimidine compounds of formula (I), and pharmaceutical compositions containing such compounds or crystal forms, pharmaceutically acceptable salt, hydrates or solvates thereof. The disclosed deuterated diaminopyrimidine compounds can be used for treating and/or preventing protein kinase-associated diseases, such as cell proliferative disease, cancer, immune disease and the like.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: April 14, 2020
    Assignee: Suzhou Zelgen Biopharmaceuticals Co., Ltd.
    Inventors: Binhua Lv, Chengwei Li, Benwen Cao, Xudong Pang
  • Patent number: 10544185
    Abstract: Disclosed are deuterated chenodeoxycholic acid derivatives and pharmaceutical compositions containing the deuterated chenodeoxycholic acid derivatives. In particular, disclosed is a deuterated chenodeoxycholic acid derivative of formula (I), or a crystal form, pharmaceutically acceptable salt, hydrate or solvate thereof, and a pharmaceutical composition containing the same. The deuterated chenodeoxycholic acid derivatives of formula (I) can be used to treat and/or prevent diseases related to the farnesoid X receptor (FXR) and/or G-protein coupled bile acid receptor, such as nonalcoholic steatohepatitis, nonalcoholic fatty liver diseases, gallstones, primary biliary cirrhosis, and cirrhosis.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: January 28, 2020
    Assignee: Suzhou Zelgen Biopharmaceuticals Co., Ltd.
    Inventors: Binhua Lv, Zelin Sheng, Chengwei Li
  • Patent number: 10414767
    Abstract: Deuterated quinazolinone compounds and pharmaceutical compositions containing such compounds are provided. In particular, deuterated quinazolinone compounds of formula (I) are provided, as well as pharmaceutical compositions containing such compounds or crystal form, pharmaceutically acceptable salts, hydrates or solvates thereof. The deuterated quinazolinone compounds of formula (I) can be used for treating and/or preventing PI3K kinase-associated diseases, such as cancer, cell proliferative diseases and the like.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: September 17, 2019
    Assignee: Suzhou Zelgen Biopharmaceuticals Co., Ltd.
    Inventors: Binhua Lv, Chengwei Li
  • Patent number: 10377725
    Abstract: The present invention relates to a phenyl amino pyrimidine compound or a polymorph of a salt thereof, specifically, to N-(cyanomethyl)-4-(2-((4-(2?,2?,6?,6?-d4-morpholino)phenyl)amino)pyrimidin-4-yl)benzamide, or a pharmaceutically acceptable salt thereof, or a polymorph of a solvate thereof, that is, a compound shown in formula I or salt thereof, or a polymorph of a solvate thereof. The polymorph is suitable for preparing a pharmaceutical composition for suppressing non-receptor tyrosine kinases (such as JAK kinase).
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: August 13, 2019
    Assignee: Suzhou Zelgen Biopharmaceuticals Co., Ltd.
    Inventors: Binhua Lv, Chengwei Li, Dan Xiao
  • Patent number: 9889123
    Abstract: The invention relates to polymorphs of deuterated omega-diphenylurea or salts thereof. In particular, the invention provides polymorphs of 4-(4-{3-[4-chloro-3-(trifluoromethyl)phenyl)-ureido]-phenoxy}-2-(N-1?,1?,1?-trideutero-methyl)picolinamide or its salt, namely, polymorphs of the compound as shown in formula (I) or its salt. The polymorphs are suited for preparing the pharmaceutical composition used for inhibiting phosphokinase (such as raf kinases).
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: February 13, 2018
    Assignee: Suzhou Zelgen Biopharmaceutical Co., Ltd.
    Inventor: Weidong Feng
  • Patent number: 9809572
    Abstract: Deuterated diaminopyrimidine compounds and pharmaceutical compositions containing such compounds are described. In particular, disclosed are deuterated diaminopyrimidine compounds of formula (I), and pharmaceutical compositions containing such compounds or crystal forms, pharmaceutically acceptable salt, hydrates or solvates thereof. The disclosed deuterated diaminopyrimidine compounds can be used for treating and/or preventing protein kinase-associated diseases, such as cell proliferative disease, cancer, immune disease and the like.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: November 7, 2017
    Assignee: Suzhou Zelgen Biopharmaceuticals Co., Ltd.
    Inventors: Binhua Lv, Chengwei Li, Benwen Cao, Xudong Pang
  • Publication number: 20170305911
    Abstract: Deuterated quinazolinone compounds and pharmaceutical compositions containing such compounds are provided. In particular, deuterated quinazolinone compounds of formula (I) are provided, as well as pharmaceutical compositions containing such compounds or crystal form, pharmaceutically acceptable salts, hydrates or solvates thereof. The deuterated quinazolinone compounds of formula (I) can be used for treating and/or preventing PI3K kinase-associated diseases, such as cancer, cell proliferative diseases and the like.
    Type: Application
    Filed: January 30, 2015
    Publication date: October 26, 2017
    Applicant: Suzhou Zelgen Biopharmaceuticals Co., Ltd.
    Inventors: Binhua LV, Chengwei LI
  • Patent number: 9604935
    Abstract: The present invention relates to a deuterated phenyl amino pyrimidine compound and pharmaceutical composition containing the same. Specifically provided are a deuterated phenyl amino pyrimidine compound as represented by formula (I), and pharmaceutical composition containing the compound, or polymorph, pharmaceutically acceptable salt, hydrate or solvate thereof. The compound of the present invention can treat and/or prevent JAK kinase-related diseases, such as bone marrow proliferative disease, cancer, immunologic diseases and the like.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: March 28, 2017
    Assignee: Suzhou Zelgen Biopharmaceuticals Co., Ltd.
    Inventors: Binhua LV, Zelin Sheng, Benwen Cao
  • Patent number: 9573900
    Abstract: The invention relates to polymorphs of deuterated omega-diphenylurea or salts thereof. In particular, the invention provides polymorphs of 4-(4-{3-[4-chloro-3-(trifluoromethyl)phenyl)-ureido]-phenoxy}-2-(N-1?,1?,1?-trideutero-methyl)picolinamide or its salt, namely, polymorphs of the compound as shown in formula (I) or its salt. The polymorphs are suited for preparing the pharmaceutical composition used for inhibiting phosphokinase (such as raf kinases).
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: February 21, 2017
    Assignee: Suzhou Zelgen Biopharmaceutical Co., Ltd.
    Inventor: Weidong Feng
  • Publication number: 20160185753
    Abstract: Deuterated diaminopyrimidine compounds and pharmaceutical compositions containing such compounds are described. In particular, disclosed are deuterated diaminopyrimidine compounds of formula (I), and pharmaceutical compositions containing such compounds or crystal forms, pharmaceutically acceptable salt, hydrates or solvates thereof. The disclosed deuterated diaminopyrimidine compounds can be used for treating and/or preventing protein kinase-associated diseases, such as cell proliferative disease, cancer, immune disease and the like.
    Type: Application
    Filed: April 22, 2014
    Publication date: June 30, 2016
    Applicant: SUZHOU ZELGEN BIOPHARMACEUTICALS CO., LTD.
    Inventors: Binhua LV, Chengwei LI, Benwen CAO, Xudonf PANG
  • Patent number: 9078933
    Abstract: Methods and processes for preparation and production of deuterated ?-diphenylurea are disclosed. Especially, a kind of deuterated ?-diphenylurea compounds which can inhibit phosphokinase and the preparation method of N-(4-chloro-3-(trifluoromethyl)phenyl)-N?-(4-(2-(N-d3-methylcarbamoyl)-4-pridinyloxy)phenyl)urea are disclosed. The said deuterated diphenylurea compounds can be used for treating or preventing tumors and relative diseases.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: July 14, 2015
    Assignee: Suzhou Zelgen Biopharmaceutical Co., Ltd.
    Inventors: Weidong Feng, Xiaoyong Gao, Xiaojun Dai
  • Patent number: 9072796
    Abstract: Disclosed are an intermediate compound of N-(1,1,1-trideuterated methyl)phthalimide, and its use in the preparation of deuterated diphenylurea derivative.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: July 7, 2015
    Assignee: SUZHOU ZELGEN BIOPHARMACEUTICAL CO., LTD.
    Inventors: Weidong Feng, Xiaoyong Gao, Xiaojun Dai
  • Patent number: 8748666
    Abstract: Preparation methods of methyl-d3-amine and salts thereof are provided, which contain the following steps: (i) nitromethane is subjected to react with deuterium oxide in the present of bases and phase-transfer catalysts to form nitromethane-d3, which is subsequently subjected to reduction in an inert solvent to form methyl-d3-amine, and optionally, methyl-d3-amine reacts subsequently with acids to form salts of methyl-d3-amine; or (ii) N-(1,1,1-trideuteriomethyl)phthalimide is subjected to react with acids to form salts of methyl-d3-amine. The present methods are easy, high efficient, and low cost.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: June 10, 2014
    Assignee: Suzhou Zelgen Biopharmaceutical Co., Ltd.
    Inventors: Xiaoyong Gao, Weidong Feng, Xiaojun Dai
  • Publication number: 20140128612
    Abstract: Methods and processes for preparation and production of deuterated ?-diphenylurea are disclosed. Especially, a kind of deuterated ?-diphenylurea compounds which can inhibit phosphokinase and the preparation method of N-(4-chloro-3-(trifluoromethyl)phenyl)-N?-(4-(2-(N-d3-methylcarbamoyl)-4-pridinyloxy)phenyl)urea are disclosed. The said deuterated diphenylurea compounds can be used for treating or preventing tumors and relative diseases.
    Type: Application
    Filed: January 14, 2014
    Publication date: May 8, 2014
    Applicant: Suzhou Zelgen Biopharmaceutical Co., Ltd.
    Inventors: Weidong FENG, Xiaoyong GAO, Xiaojun DAI
  • Publication number: 20140088311
    Abstract: Disclosed are an intermediate compound of N-(1,1,1-trideuterated methyl)phthalimide, and its use in the preparation of deuterated diphenylurea derivative.
    Type: Application
    Filed: November 27, 2013
    Publication date: March 27, 2014
    Applicant: SUZHOU ZELGEN BIOPHARMACEUTICAL CO., LTD.
    Inventors: Weidong FENG, Xiaoyong GAO, Xiaojun DAI
  • Patent number: 8669369
    Abstract: Methods and processes for preparation and production of deuterated ?-diphenylurea are disclosed. Especially, a kind of deuterated ?-diphenylurea compounds which can inhibit phosphokinase and the preparation method of N-(4-chloro-3-(trifluoromethyl)phenyl)-N?-(4-(2-(N-d3-methylcarbamoyl)-4-pridinyloxy)phenyl)urea are disclosed. The said deuterated diphenylurea compounds can be used for treating or preventing tumors and relative diseases.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: March 11, 2014
    Assignee: Suzhou Zelgen Biopharmaceutical Co., Ltd.
    Inventors: Weidong Feng, Xiaoyong Gao, Xiaojun Dai
  • Patent number: 8618306
    Abstract: Disclosed are an intermediate compound of N-(1,1,1-trideuterated methyl)phthalimide, and its use in the preparation of deuterated diphenylurea derivative.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: December 31, 2013
    Assignee: Suzhou Zelgen Biopharmaceutical Co., Ltd.
    Inventors: Weidong Feng, Xiaoyong Gao, Xiaojun Dai
  • Publication number: 20130060044
    Abstract: Disclosed are an intermediate compound of N-(1,1,1-trideuterated methyl)phthalimide, and its use in the preparation of deuterated diphenylurea derivative.
    Type: Application
    Filed: March 17, 2011
    Publication date: March 7, 2013
    Applicant: SUZHOU ZELGEN BIOPHARMACEUTICAL CO., LTD.
    Inventors: Weidong Feng, Xiaoyong Gao, Xiaojun Dai
  • Publication number: 20130060043
    Abstract: A fluoro-substituted deuterated diphenylurea compound, especially 4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenoxy)-2-(N-(methyl-d3))picolinamide, preparing method and use for treating or preventing tumor and relative diseases thereof.
    Type: Application
    Filed: March 17, 2011
    Publication date: March 7, 2013
    Applicant: SUZHOU ZELGEN BIOPHARMACEUTICAL CO., LTD
    Inventors: Weidong Feng, Xiaoyong Gao, Xiaojun Dai