Patents Assigned to Advenchen Pharmaceuticals, LLC
  • Publication number: 20230399313
    Abstract: Disclosed herein relates to the biological activities and preparation of 5-(2-(4-(4-fluoro-2-methyl-1H-indol-5-yloxy)-6-methoxyquinolin-7-yloxy)ethyl)-5-azaspiro[2.4]-heptan-7-ol (Compound A) stable crystalline form (Compound A-Xln); its tablet (Compound A-Xln tablet); its phosphoric acid salt (Compound A-P) and phosphoric acid salt stable crystalline form (Compound A-P-Xln); as well as its enantiomers (Compound R-A, Compound S-A). Furthermore, their anti-cancer activities, stabilities, chirality, dissolutions and treatment indications have also been investigated.
    Type: Application
    Filed: June 6, 2023
    Publication date: December 14, 2023
    Applicant: Advenchen Pharmaceuticals, LLC
    Inventors: Guoqing Paul Chen, Zhe Li, Yingyin Li, Lisha Qi, Tingting Yu
  • Patent number: 10730878
    Abstract: The present invention relates to the compounds of formula I, processes for their preparation, pharmaceutical compositions containing them as active ingredient, methods for the treatment of disease states associated with cancers associated with protein kinases, to their use as medicaments for use in the production of inhibition of mTor, pi3k reducing effects in warm¬blooded animals such as humans.
    Type: Grant
    Filed: July 10, 2016
    Date of Patent: August 4, 2020
    Assignee: Advenchen Pharmaceuticals, LLC
    Inventors: Paul Chen Guoqing, Yan Changren, Chen Monica
  • Patent number: 10544125
    Abstract: The present invention relates a new process to synthesize 1-((4-(4-Fluoro-2-methyl-1H-indol-5-yloxy)-6-methoxyquinolin-7-yloxy)methyl)cyclopropanamine (AL3818). A stable crystalline form of Al3818 has been prepared. Salts and their crystalline forms of AL3818 have been also prepared. Anti-cancer and optometric activities of AL3818 and its salts have been further tested. New process has been outlined in Scheme I.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: January 28, 2020
    Assignee: Advenchen Pharmaceuticals, LLC
    Inventors: Guoqing Paul Chen, Changren Yan
  • Patent number: 10100034
    Abstract: The present invention relates a new process to synthesize 1-((4-(4-Fluoro-2-methyl-1H-indol-5-yloxy)-6-methoxyquinolin-7-yloxy)methyl)cyclopropanamine (AL3818). A stable crystalline form of A13818 has been prepared. Salts and their crystalline forms of AL3818 have been also prepared. Anti-cancer and optometric activities of AL3818 and its salts have been further tested. New process has been outlined in Scheme I.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: October 16, 2018
    Assignee: Advenchen Pharmaceuticals, LLC
    Inventors: Guoqing Paul Chen, Changren Yan
  • Publication number: 20180201613
    Abstract: The present invention relates to the compounds of formula I, processes for their preparation, pharmaceutical compositions containing them as active ingredient, methods for the treatment of disease states associated with cancers associated with protein kinases, to their use as medicaments for use in the production of inhibition of mTor, pi3k reducing effects in warm¬blooded animals such as humans.
    Type: Application
    Filed: July 10, 2016
    Publication date: July 19, 2018
    Applicant: Advenchen Pharmaceuticals, LLC
    Inventors: GUOQING PAUL CHEN, CHANGREN YAN, MONICA W CHEN
  • Patent number: 9783498
    Abstract: The present invention relates a new process to synthesize 6-(7-((1-aminocyclo-propyl)-methoxy)-6-methoxyquinolin-4-yloxy)-N-methyl-1-naphthamide (AL3810) by deprotection of substituted benzyl 1-((6-methoxy-4-(5-(methylcarbamoyl)naphthalen-2-yloxy)quinolin-7-yloxy)-methyl)cyc-lopropylcarbamate (Formula I) under a diluted or weak acidic condition. A stable crystalline form of 6-(7-((1-aminocyclo-propyl)-methoxy)-6-methoxyquinolin-4-yloxy)-N-methyl-1-naphthamide has also been prepared.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: October 10, 2017
    Assignee: Advenchen Pharmaceuticals, LLC
    Inventor: Guoqing Paul Chen
  • Patent number: 9751859
    Abstract: The present invention relates a new process to synthesize 1-((4-(4-Fluoro-2-methyl-1H-indol-5-yloxy)-6-methoxyquinolin-7-yloxy)methyl)cyclopropanamine (AL3818). A stable crystalline form of Al3818 has been prepared. Salts and their crystalline forms of AL3818 have been also prepared. Anti-cancer and optometric activities of AL3818 and its salts have been further tested. New process has been outlined in Scheme I.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: September 5, 2017
    Assignee: Advenchen Pharmaceuticals, LLC
    Inventors: Guoqing Paul Chen, Changren Yan
  • Patent number: 8664244
    Abstract: The present invention relates to compounds, processes for their preparation, pharmaceutical compositions containing them as active ingredient, methods for the treatment of disease states associated with the inhibition of the protein tyrosine kinase activity of growth factor receptors such as c-Met, thereby making them useful as anticancer agents, to their use as medicaments for use in the production of inhibition of tyrosine kinases reducing effects in warm-blooded animals such as humans.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: March 4, 2014
    Assignee: Advenchen Pharmaceuticals, LLC
    Inventor: Guoqing Paul Chen