Patents by Inventor Periyandi Nagarajan

Periyandi Nagarajan 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: 20220234990
    Abstract: Provided herein are methods and intermediates for making (1R,2R,5R)-5-amino-2-methylcyclohexanol hydrochloride, which are useful for the preparation of compounds useful for the treatment of a disease, disorder, or condition associated with the JNK pathway.
    Type: Application
    Filed: November 3, 2021
    Publication date: July 28, 2022
    Inventors: Terrence Joseph CONNOLLY, Hon-Wah MAN, Periyandi NAGARAJAN, Chinnapillai RAJENDIRAN, Jasti VENKATESWARLU
  • Patent number: 10774033
    Abstract: Provided herein are methods and intermediates for making (1R,2R,5R)-5-amino-2-methylcyclohexanol hydrochloride, which are useful for the preparation of compounds useful for the treatment of a disease, disorder, or condition associated with the JNK pathway.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: September 15, 2020
    Assignee: Celgene Corporation
    Inventors: Terrence Joseph Connolly, Hon-Wah Man, Periyandi Nagarajan, Chinnapillai Rajendiran, Jasti Venkateswarlu
  • Publication number: 20190152893
    Abstract: Provided herein are methods and intermediates for making (1R,2R,5R)-5-amino-2-methylcyclohexanol hydrochloride, which are useful for the preparation of compounds useful for the treatment of a disease, disorder, or condition associated with the JNK pathway.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Inventors: Terrence Joseph CONNOLLY, Hon-Wah MAN, Periyandi NAGARAJAN, Chinnapillai RAJENDIRAN, Jasti VENKATESWARLU
  • Patent number: 10252981
    Abstract: Provided herein are methods and intermediates for making (1R,2R,5R)-5-amino-2-methylcyclohexanol hydrochloride, which are useful for the preparation of compounds useful for the treatment of a disease, disorder, or condition associated with the JNK pathway.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: April 9, 2019
    Assignee: Celgene Corporation
    Inventors: Terrence Joseph Connolly, Hon-Wah Man, Periyandi Nagarajan, Chinnapillai Rajendiran, Jasti Venkateswarlu
  • Publication number: 20180215700
    Abstract: Provided herein are methods and intermediates for making (1R,2R,5R)-5-amino-2-methylcyclohexanol hydrochloride, which are useful for the preparation of compounds useful for the treatment of a disease, disorder, or condition associated with the JNK pathway.
    Type: Application
    Filed: July 22, 2016
    Publication date: August 2, 2018
    Inventors: Terrence Joseph CONNOLLY, Hon-Wah MAN, Periyandi NAGARAJAN, Chinnapillai RAJENDIRAN, Jasti VENKATESWARLU
  • Patent number: 9951098
    Abstract: Provided herein are processes for the preparation of 5-azacytidine, useful for treating, preventing, and/or managing diseases or conditions including cancer, disorders related to abnormal cell proliferation, hematologic disorders, and myelodysplastic syndromes (MDS), wherein 5-azacytidine is represented by the structure:
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: April 24, 2018
    Assignee: Pharmion LLC
    Inventors: Chinnapillai Rajendiran, Periyandi Nagarajan, Jasti Venkateswarlau
  • Publication number: 20140128593
    Abstract: Provided herein are processes for the preparation of 5-azacytidine, useful for treating, preventing, and/or managing diseases or conditions including cancer, disorders related to abnormal cell proliferation, hematologic disorders, and myelodysplastic syndromes (MDS), wherein 5-azacytidine is represented by the structure:
    Type: Application
    Filed: March 29, 2012
    Publication date: May 8, 2014
    Applicant: CELGENE INTERNATIONAL SARL
    Inventors: Chinnapillai Rajendiran, Periyandi Nagarajan, Jasti Venkateswarlau
  • Publication number: 20110251410
    Abstract: The present invention provides a process for preparation of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran car-bonitrile comprising reacting a compound of formula IVa, in the presence of a base with a compound of formula RX, wherein R is selected from alkyl, alkenyl, aryl and heteroaryl which may be optionally substituted with electron withdrawing groups and X is selected from F, Cl, Br, I, CN, OTf and OR1, wherein Tf represents trifluoromethanesulfonyl group, and R1 is optionally substituted alkyl, Z is a cyano group or a group that may be converted to a cyano group; further wherein RX is selected such that an intermediate ether derivative, a compound of formula Va formed from said reaction cyclizes to a compound of formula VI, and where Z is not a cyano group, conversion of the group Z in the compound of formula VI to a cyano group to form 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile.
    Type: Application
    Filed: June 16, 2011
    Publication date: October 13, 2011
    Applicant: SUN PHARMA GLOBAL FZE
    Inventors: Periyandi NAGARAJAN, Kilaru SRINIVASU, Thennati RAJAMANNAR
  • Patent number: 7989645
    Abstract: The present invention provides a process for preparation of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran car-bonitrile comprising reacting a compound of formula IVa, in the presence of a base with a compound of formula RX, wherein R is selected from alkyl, alkenyl, aryl and heteroaryl which may be optionally substituted with electron withdrawing groups and X is selected from F, Cl, Br, I, CN, OTf and OR1, wherein Tf represents trifluoromethanesulfonyl group, and R1 is optionally substituted alkyl, Z is a cyano group or a group that may be converted to a cyano group; further wherein RX is selected such that an intermediate ether derivative, a compound of formula Va formed from said reaction cyclizes to a compound of formula VI, and where Z is not a cyano group, conversion of the group Z in the compound of formula VI to a cyano group to form 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: August 2, 2011
    Assignee: Sun Pharma Global FZE
    Inventors: Periyandi Nagarajan, Kilaru Srinivasu, Thennati Rajamannar
  • Patent number: 7964742
    Abstract: The present invention provides a process for preparation of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile comprising reacting a compound of formula IVa, in the presence of a base with a compound of formula RX, wherein R is selected from alkyl, alkenyl, aryl and heteroaryl which may be optionally substituted with electron withdrawing groups and X is selected from F, Cl, Br, I, CN, OTf and OR1, wherein Tf represents trifluoromethanesulfonyl group, and R1 is optionally substituted alkyl, Z is a cyano group or a group that may be converted to a cyano group; further wherein RX is selected such that an intermediate ether derivative, a compound of formula Va formed from said reaction cyclizes to a compound of formula VI, and where Z is not a cyano group, conversion of the group Z in the compound of formula VI to a cyano group to form 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: June 21, 2011
    Assignee: Sun Pharma Global FZE
    Inventors: Periyandi Nagarajan, Kilaru Srinivasu, Thennati Rajamannar
  • Publication number: 20100249437
    Abstract: The present invention provides a process for preparation of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile comprising reacting a compound of formula IVa, in the presence of a base with a compound of formula RX, wherein R is selected from alkyl, alkenyl, aryl and heteroaryl which may be optionally substituted with electron withdrawing groups and X is selected from F, Cl, Br, I, CN, OTf and OR1, wherein Tf represents trifluoromethanesulfonyl group, and R1 is optionally substituted alkyl, Z is a cyano group or a group that may be converted to a cyano group; further wherein RX is selected such that an intermediate ether derivative, a compound of formula Va formed from said reaction cyclizes to a compound of formula VI, and where Z is not a cyano group, conversion of the group Z in the compound of formula VI to a cyano group to form 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile.
    Type: Application
    Filed: June 10, 2010
    Publication date: September 30, 2010
    Applicant: SUN PHARMA GLOBAL FZE
    Inventors: Periyandi NAGARAJAN, Kilaru Srinivasu, Thennati Rajamannar
  • Patent number: 7790935
    Abstract: The present invention provides a process for preparation of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile comprising reacting a compound of formula IVa, in the presence of a base with a compound of formula RX, wherein R is selected from alkyl, alkenyl, aryl and heteroaryl which may be optionally substituted with electron withdrawing groups and X is selected from F, Cl, Br, I, CN, OTf and OR1, wherein Tf represents trifluoromethanesulfonyl group, and R1 is optionally substituted alkyl, Z is a cyano group or a group that may be converted to a cyano group; further wherein RX is selected such that an intermediate ether derivative, a compound of formula Va formed from said reaction cyclizes to a compound of formula VI, and where Z is not a cyano group, conversion of the group Z in the compound of formula VI to a cyano group to form 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: September 7, 2010
    Assignee: Sun Pharma Global FZE
    Inventors: Periyandi Nagarajan, Kilaru Srinivasu, Thennati Rajamannar
  • Publication number: 20090326249
    Abstract: The present invention provides a process for preparation of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile comprising reacting a compound of formula IVa, in the presence of a base with a compound of formula RX, wherein R is selected from alkyl, alkenyl, aryl and heteroaryl which may be optionally substituted with electron withdrawing groups and X is selected from F, Cl, Br, I, CN, OTf and OR1, wherein Tf represents trifluoromethanesulfonyl group, and R1 is optionally substituted alkyl, Z is a cyano group or a group that may be converted to a cyano group; further wherein RX is selected such that an intermediate ether derivative, a compound of formula Va formed from said reaction cyclizes to a compound of formula VI, and where Z is not a cyano group, conversion of the group Z in the compound of formula VI to a cyano group to form 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile.
    Type: Application
    Filed: August 12, 2005
    Publication date: December 31, 2009
    Inventors: Periyandi Nagarajan, Kilaru Srinivasu, Thennati Rajamannar
  • Publication number: 20080177096
    Abstract: The present invention provides a process for preparation of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran car-bonitrile comprising reacting a compound of formula IVa, in the presence of a base with a compound of formula RX, wherein R is selected from alkyl, alkenyl, aryl and heteroaryl which may be optionally substituted with electron withdrawing groups and X is selected from F, Cl, Br, I, CN, OTf and OR1, wherein Tf represents trifluoromethanesulfonyl group, and R1 is optionally substituted alkyl, Z is a cyano group or a group that may be converted to a cyano group; further wherein RX is selected such that an intermediate ether derivative, a compound of formula Va formed from said reaction cyclizes to a compound of formula VI, and where Z is not a cyano group, conversion of the group Z in the compound of formula VI to a cyano group to form 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile.
    Type: Application
    Filed: February 1, 2008
    Publication date: July 24, 2008
    Applicant: Sun Pharmaceutical Industries Ltd.
    Inventors: Periyandi Nagarajan, Kilaru Srinivasu, Thennati Rajamannar