Patents by Inventor Valdas Jurkauskas

Valdas Jurkauskas 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: 20230286918
    Abstract: Disclosed herein are methods and processes of preparing vadadustat or a pharmaceutically acceptable salts thereof, and intermediates (e.g., a compound of Formula (I), (I-F), (II), or (IV), or a pharmaceutically acceptable salts thereof) useful for the synthesis of vadadustat.
    Type: Application
    Filed: July 1, 2021
    Publication date: September 14, 2023
    Applicant: Akebia Therapeutics, Inc.
    Inventors: Valdas JURKAUSKAS, Young Chun JUNG, Taesoo KWON, Arunachalam KANNAN, Vijaya Bhasker GONDI
  • Publication number: 20210401798
    Abstract: The invention relates to (S)-6-((1 R,2E,4E,8E,10S)-11-(4-fluorophenoxy)-1,10-dihydroxyundeca-2,4,8-trien-6-yn-1-yl)-1,4-dioxan-2-one (compound (1)), which is a lactone-containing analog of lipoxin A4 (LXA4). In particular, the invention features pharmaceutical compositions including compound (1) and the use of compound (1) for the treatment of a disorder (e.g., a fibrotic disorder or an inflammatory disorder, such as an autoimmune disorder) in a subject in need thereof.
    Type: Application
    Filed: October 23, 2019
    Publication date: December 30, 2021
    Applicants: The Brigham and Women's Hospital, Inc., Corbus Pharmaceuticals, Inc., Corbus Pharmaceuticals, Inc.
    Inventors: Nan CHIANG, Sheldon N. CRANE, Thomas JENNEQUIN, Valdas JURKAUSKAS, Clifton D. LEIGH, Kristos Adrian MOSHOS, Charles N. Serhan, Mark A. Tepper, Yuhua George Zhang
  • Publication number: 20210198223
    Abstract: The invention provides methods and compositions relating to an ultrapure formulation of 5-(1,1-dimethylheptyl)-resorcinol (ultrapure DMHR). The invention features methods for making ultrapure DMHR, including methods that minimize the production of unwanted side products (e.g., the production of homologous alkyl-chain impurities). The invention also features methods of making cannabinoids, such as (6aR,10aR)-1-hydroxy-6,6-dimethyl-3-(2-methyl-2-octanyl)-6a,7,10,10a-tetrahydro-6H-benzo[c]chromene-9-carboxylic acid (ajulemic acid), using ultrapure DMHR, including methods that minimize the production of unwanted side products (e.g., the production of homologous alkyl-chain impurities) in the resulting cannabinoid preparation.
    Type: Application
    Filed: October 19, 2018
    Publication date: July 1, 2021
    Inventors: Valdas JURKAUSKAS, Kristos Adrian MOSHOS, Clifton D. LEIGH, Feng SHI, Xiaofeng CHEN, Chengfu XIE
  • Patent number: 10941161
    Abstract: Described herein are crystalline forms of a compound of formula (III?), including toluene solvates of TATD-CLE, as well as processes for the preparation thereof and use thereof in the preparation of cephalosporin compounds such as ceftolozane.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: March 9, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Giovanni Fogliato, Manuel Scanu, You Seok Hwang
  • Publication number: 20190225624
    Abstract: Described herein are crystalline forms of a compound of formula (III?), including toluene solvates of TATD-CLE, as well as processes for the preparation thereof and use thereof in the preparation of cephalosporin compounds such as ceftolozane.
    Type: Application
    Filed: March 4, 2019
    Publication date: July 25, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Giovanni Fogliato, Manuel Scanu, You Seok Hwang
  • Patent number: 10308666
    Abstract: This disclosure provides methods of making certain 7-aminocephem derivatives useful in the manufacture of cephalosporin antibiotic compounds.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: June 4, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas
  • Patent number: 10221196
    Abstract: Described herein are crystalline forms of a compound of formula (II?), including toluene solvates off A TD-CLE, as well as processes for the preparation thereof and use thereof in the preparation of cephalosporin compounds such as ceftolozane. Provided herein is a crystalline form of a compound of formula (II?): wherein X is CI, Br, or I; and R1 and R2 are each independently an oxygen protecting group; processes for making the crystalline form, and use of said form in the synthesis of antibacterial cephalosporins such as ceftolozane.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: March 5, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Giovanni Fogliato, Manuel Scanu, You Seok Hwang
  • Patent number: 10214543
    Abstract: Described herein are methods for the manufacture of ceftolozane and related compounds, as well as compositions comprising the same.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: February 26, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Giovanni Fogliato, Manuel Scanu, Michele Benotti
  • Publication number: 20180258101
    Abstract: This disclosure provides methods of making certain 7-aminocephem derivatives useful in the manufacture of cephalosporin antibiotic compounds.
    Type: Application
    Filed: March 14, 2018
    Publication date: September 13, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian MOSHOS, Valdas JURKAUSKAS
  • Patent number: 10059680
    Abstract: Thiadiazolyl-oximinoacetic acid derivatives have been synthesized, which are useful in the manufacture of cephalosporin antibiotic compounds. Compound (1) (TATD) is commercially available (CAS No. 76028-96-1). It has now been discovered that the thiadiazolyl-oximinoacetic acid derivative compound (1) (TATD) can be prepared from dimethyl malonate (SM 1, CAS No. 108-59-8) according to methods described herein. The methods provide products having desirable purity.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: August 28, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas
  • Patent number: 10035774
    Abstract: Pyrazolyl carboxylic acid and pyrazolyl urea derivatives have been synthesized, which are useful in the manufacture of cephalosporin antibiotic compounds.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: July 31, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Yisheng Yang, Youchu Wang
  • Publication number: 20180170949
    Abstract: Described herein are methods for the manufacture of ceftolozane and related compounds, as well as compositions comprising the same.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 21, 2018
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Kristos Adrian MOSHOS, Valdas JURKAUSKAS, Giovanni FOGLIATO, Manuel SCANU, Michele BENOTTI
  • Patent number: 10000510
    Abstract: This disclosure relates to salt forms of ceftolozane, processes for making these salt forms, and compositions comprising the same. Also disclosed are stabilized compositions of ceftolozane. Provided herein are salt forms of ceftolozane, processes for making these salt forms and compositions comprising the same. The salt forms provided herein include ceftolozane bromide, ceftolozane edisylate, ceftolozane mesylate, ceftolozane chloride, ceftolozane sulfate, ceftolozane maleate, ceftolozane phosphate, and ceftolozane ketoglutarate.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: June 19, 2018
    Assignee: MERCK SHARP & DOHME CORP.
    Inventors: Jian-Qiao Gu, Valdas Jurkauskas, Carlos Lopez, Kristos Adrian Moshos, Pradip M. Pathare, Sudhakar Garad, You Seok Hwang
  • Publication number: 20170369459
    Abstract: Thiadiazolyl-oximinoacetic acid derivatives have been synthesized, which are useful in the manufacture of cephalosporin antibiotic compounds. Compound (1) (TATD) is commercially available (CAS No. 76028-96-1). It has now been discovered that the thiadiazolyl-oximinoacetic acid derivative compound (1) (TATD) can be prepared from dimethyl malonate (SM 1, CAS No. 108-59-8) according to methods described herein. The methods provide products having desirable purity.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 28, 2017
    Applicant: Merck Sharp & Dohme Corpl
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas
  • Publication number: 20170362183
    Abstract: Pyrazolyl carboxylic acid and pyrazolyl urea derivatives have been synthesized, which are useful in the manufacture of cephalosporin antibiotic compounds.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 21, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Yisheng Yang, Youchu Wang
  • Patent number: 9771361
    Abstract: Polymorphic forms of Compound (1) or a pharmaceutically acceptable salt thereof, wherein Compound (1) is represented by the following structural formula: are Form A of HCl salt of Compound (1).½H2O, Form F of HCl salt of Compound (1).3H2O, Form D of HCl salt of Compound (1), Form A of Compound (1), and Form A of tosylate salt of Compound (1). Such polymorphic forms are employed for treating influenza, inhibiting the replication of influenza viruses, or reducing the amount of influenza viruses in a biological sample or in a subject.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: September 26, 2017
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Kwame W. Nti-Addae, Michael Waldo, Simon Adam O'Neil, John Gregg Van Alsten, Dainius Macikenas, Praveen Mudunuri, Yi Shi, Mark Willem Ledeboer, Valdas Jurkauskas, Ales Medek, Steven Jones, Randal Byrn, Mohammed Asmal, Sarah Marie Robertson, Wanjung Tsai
  • Publication number: 20170233408
    Abstract: This disclosure relates to salt forms of ceftolozane, processes for making these salt forms, and compositions comprising the same. Also disclosed are stabilized compositions of ceftolozane. Provided herein are salt forms of ceftolozane, processes for making these salt forms and compositions comprising the same. The salt forms provided herein include ceftolozane bromide, ceftolozane edisylate, ceftolozane mesylate, ceftolozane chloride, ceftolozane sulfate, ceftolozane maleate, ceftolozane phosphate, and ceftolozane ketoglutarate.
    Type: Application
    Filed: August 17, 2015
    Publication date: August 17, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Jian-Qiao Gu, Valdas Jurkauskas, Carlos Lopez, Kristos Adrian Moshos, Pradip M. Pathare, Sudhakar Garad, You Seok Hwang
  • Publication number: 20170226126
    Abstract: Described herein are crystalline forms of a compound of formula (III?), including toluene solvates off A TD-CLE, as well as processes for the preparation thereof and use thereof in the preparation of cephalosporin compounds such as ceftolozane. Provided herein is a crystalline form of a compound of formula (III?): wherein X is CI, Br, or I; and R1 and R2 are each independently an oxygen protecting group; processes for making the crystalline form, and use of said form in the synthesis of antibacterial cephalosporins such as ceftolozane.
    Type: Application
    Filed: August 14, 2015
    Publication date: August 10, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Giovanni Fogliato, Manuel Scanu, You Seok Hwang
  • Patent number: 9695196
    Abstract: This disclosure relates to an improved synthesis of cephalosporin antibiotic compounds such as ceftolozane, and compositions and methods of use thereof. Thiadiazolyl-oximinoacetic acid compounds such as TATD can be reacted to yield the activated thiadiazolyl-oximinoacetic acid methanesulfonate ester compounds useful in the manufacture of cephalosporin antibiotic compounds.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: July 4, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Manuel Scanu, Michele Benotti
  • Publication number: 20160251353
    Abstract: Polymorphic forms of Compound (1) or a pharmaceutically acceptable salt thereof, wherein Compound (1) is represented by the following structural formula: are Form A of HCl salt of Compound (1).½H2O, Form F of HCl salt of Compound (1).3H2O, Form D of HCl salt of Compound (1), Form A of Compound (1), and Form A of tosylate salt of Compound (1). Such polymorphic forms are employed for treating influenza, inhibiting the replication of influenza viruses, or reducing the amount of influenza viruses in a biological sample or in a subject.
    Type: Application
    Filed: May 10, 2016
    Publication date: September 1, 2016
    Inventors: Kwame W. Nti-Addae, Michael Waldo, Simon Adam O'Neil, John Gregg Van Alsten, Dainius Macikenas, Praveen Mudunuri, Yi Shi, Mark Willem Ledeboer, Valdas Jurkauskas, Ales Medek, Steven Jones, Randal Byrn, Mohammed Asmal, Sarah Marie Robertson, Wanjung Tsai