Patents by Inventor Girija Raveendranath

Girija Raveendranath 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).

  • Synthesis of pyrrolidine compounds
    Patent number: 8927590
    Abstract: Provided are methods for the preparation of certain substituted pyrrolidine compounds, forms of (2S,4R)-1-(2-aminoacetyl)-4-benzamidopyrrolidine-2-carboxylic acid hydrochloride, and methods for preparing and using these forms.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: January 6, 2015
    Assignee: Zealand Pharma A/S
    Inventors: Asaf R. Alimardanov, Lalitha Krishnan, Maotang Zhou, Ting-Zhong Wang, Jianxin Ren, John Leo Considine, Charles C. Wu, Jason Brazzillo, Panolil Raveendranath, Karen Sutherland, Mahmoud Mirmehrabi, Subodh S. Deshmukh, Girija Raveendranath, Vijay Raveendranath, Sanjay Raveendranath
  • SYNTHESIS OF PYRROLIDINE COMPOUNDS
    Publication number: 20130053344
    Abstract: Provided are methods for the preparation of certain substituted pyrrolidine compounds, forms of (2S,4R)-1-(2-aminoacetyl)-4-benzamidopyrrolidine-2-carboxylic acid hydrochloride, and methods for preparing and using these forms.
    Type: Application
    Filed: August 23, 2012
    Publication date: February 28, 2013
    Applicant: Zealand Pharma A/S
    Inventors: Asaf R. Alimardanov, Lalitha Krishnan, Maotang Zhou, Ting-Zhong Wang, Jianxin Ren, John Leo Considine, Charles C. Wu, Jason Brazzillo, Girija Raveendranath, Vijay Raveendranath, Sanjay Raveendranath, Karen Sutherland, Mahmoud Mirmehrabi, Subodh S. Deshmukh
  • SYNTHESIS OF PYRROLIDINE COMPOUNDS
    Publication number: 20100249207
    Abstract: Provided are methods for the preparation of certain substituted pyrrolidine compounds, forms of (2S,4R)-1-(2-aminoacetyl)-4-benzamidopyrrolidine-2-carboxylic acid hydrochloride, and methods for preparing and using these forms.
    Type: Application
    Filed: January 19, 2010
    Publication date: September 30, 2010
    Applicant: Wyeth LLC
    Inventors: Asaf R. Alimardanov, Lalitha Krishnan, Maotang Zhou, Ting-Zhong Wang, Jianxin Ren, John Leo Considine, Charles C. Wu, Jason Brazzillo, Panolil Raveendranath, Karen Sutherland, Mahmoud Mirmehrabi, Subodh S. Deshmukh, Girija Raveendranath, Vijay Raveendranath, Sanjay Raveendranath
  • N'-(2-HALOBENZYLIDENE)SULFONYLHYDRAZIDES AS INTERMEDIATES IN THE MANUFACTURE OF ARYLSULFONYLINDAZOLES
    Publication number: 20090023925
    Abstract: The present invention provides N?-(2-halobenzylidene)sulfonylhydrazides of formula I Compounds of formula I are useful for the manufacture of 1-arylsulfonylindazole 5-HT6 ligands.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 22, 2009
    Applicant: Wyeth
    Inventors: Anita Wai-Yin Chan, Mahmut Levent, David Place, Panolil Raveendranath, Sanjay Raveendranth, Vijay Raveendranath, Girija Raveendranath, Xinxu Shi, Charles Wu
  • PROCESS FOR THE MANUFACTURE OF BENZYLSULFONYLARENES
    Publication number: 20090012308
    Abstract: The present invention provides a process for the manufacture of an arylmethyl-sulfonylarene, R1CH2SO2R2, wherein R1 and R2 are each independently an optionally substituted phenyl or naphthyl group which process comprises reacting an arylmethylhalide, R1CH2-Hal wherein R1 is as defined hereinabove and Hal is Cl, Br or I with a sodium arylsulfinate R2SO2Na wherein R2 is as defined hereinabove in the presence of a base optionally in the presence of a solvent. Also provided is the use of the inventive process in the manufacture of a 3-arylsulfonylindazole 5-HT6 ligand.
    Type: Application
    Filed: June 9, 2008
    Publication date: January 8, 2009
    Applicant: Wyeth
    Inventors: Mahmut Levent, Panolil Raveendranath, Sanjay Raveendranath, Vijay Raveendranath, Girija Raveendranath
  • PROCESS FOR SELECTIVE SULFATION OF AROMATIC HYDROXYL GROUPS
    Publication number: 20080194533
    Abstract: The present invention relates to processes for selective sulfation of an aromatic hydroxyl group over an aliphatic hydroxyl group where both are present in the same molecule. This invention also relates to processes for selective sulfation of the aromatic hydroxyl group of equilin, equilenin, estradiol, estra(1,3,5-triene)-3,16,17-triol, dihydroequilenin or dihydroequilin. This invention further relates to alkali metal salts of dihydroequilenin sulfates, dihydroequilin sulfates, estradiol sulfates, and estriol sulfates, processes for making thereof, stable compositions comprising thereof, and the use thereof.
    Type: Application
    Filed: February 7, 2008
    Publication date: August 14, 2008
    Applicant: WYETH
    Inventors: Sreenivasulu MEGATI, Panolil RAVEENDRANATH, Girija Raveendranath, Vijay Raveendranath, Sanjay Raveendranath
  • Synthesis of pyrrolidine compounds
    Publication number: 20080188545
    Abstract: Provided are methods for the preparation of certain substituted pyrrolidine compounds, forms of (2S,4R)-1-(2-aminoacetyl)-4-benzamidopyrrolidine-2-carboxylic acid hydrochloride, and methods for preparing and using these forms.
    Type: Application
    Filed: December 20, 2007
    Publication date: August 7, 2008
    Inventors: Asaf R. Alimardanov, Lalitha Krishnan, Maotang Zhou, Ting-Zhong Wang, Jianxin Ren, John Leo Considine, Charles C. Wu, Jason Brazzillo, Panolil Raveendranath, Girija Raveendranath, Vijay Raveendranath, Sanjay Raveeendranath, Karen Sutherland, Mahmoud Mirmehrabi, Subodh S. Deshmukh
  • Process for Preparing Indolinone Phenylaminopropanol Derivatives
    Publication number: 20080146645
    Abstract: Processes are disclosed for preparing indolinone phenylaminopropanol derivatives, particularly chiral indolinone phenylaminopropanol derivatives of the general formula: The processes disclosed may be used to prepare, inter alia, 7-fluoro-1-[(1S, 2R)-1-(3-fluorophenyl)-2-hydroxy-3-(methylamino)propyl]-3,3-dimethyl-1,3-dihydro-2H-indol-2-one and 7-fluoro-1-[(1S, 2R)-1-(3,5-difluorophenyl)-2-hydroxy-3-(methylamino)propyl]-3,3-dimethyl-1,3-dihydro-2H-indol-2-one. Intermediates of the processes are also disclosed.
    Type: Application
    Filed: August 22, 2007
    Publication date: June 19, 2008
    Applicant: Wyeth
    Inventors: Anita Wai-Yin Chan, Zhixian Ding, Mousumi Ghosh, Mahmut Levent, Panolil Raveendranath, Jianxin Ren, Maotang Zhou, Asaf Alimardanov, Alexander V. Gontcharov, Antonia A. Nikitenko, John R. Potoski, Girija Raveendranath, Vijay Raveendranath, Sanjay Raveendranath