Patents by Inventor Hirokazu Annoura

Hirokazu Annoura 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).

  • Patent number: 8034908
    Abstract: Novel glycolipid derivatives, where the substituent of the sphingosine base part is a short carbon chain alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group and efficient synthetic methods for practical mass production of the same and intermediates useful for the synthesis of these compounds. Glycolipids having the formula (I): where R3 indicates a substituted or unsubstituted C1 to C7 linear alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group, or substituted or unsubstituted aralkyl group and R8 indicates a substituted or unsubstituted C1 to C35 alkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group are chemically synthesized.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: October 11, 2011
    Assignee: Japan as Represented by President of National Center of Neurology and Psychiatry
    Inventors: Hirokazu Annoura, Kenji Murata, Takashi Yamamura
  • Publication number: 20100210828
    Abstract: Novel glycolipid derivatives, where the substituent of the sphingosine base part is a short carbon chain alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group and efficient synthetic methods for practical mass production of the same and intermediates useful for the synthesis of these compounds. Glycolipids having the formula (I): where R3 indicates a substituted or unsubstituted C1 to C7 linear alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group, or substituted or unsubstituted aralkyl group and R8 indicates a substituted or unsubstituted C1 to C35 alkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group are chemically synthesized.
    Type: Application
    Filed: April 15, 2010
    Publication date: August 19, 2010
    Applicant: JAPAN AS REPRESENTED BY THE PRESIDENT OF NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Hirokazu ANNOURA, Kenji MURATA, Takashi YAMAMURA
  • Patent number: 7732583
    Abstract: Novel glycolipid derivatives, where the substituent of the sphingosine base part is a short carbon chain alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group and efficient synthetic methods for practical mass production of the same and intermediates useful for the synthesis of these compounds. Glycolipids having the formula (I): where R3 indicates a substituted or unsubstituted C1 to C7 linear alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group, or substituted or unsubstituted aralkyl group and R8 indicates a substituted or unsubstituted C1 to C35 alkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group are chemically synthesized.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: June 8, 2010
    Assignee: Japan as represented by President of National Center of Neurology and Psychiatry
    Inventors: Hirokazu Annoura, Kenji Murata, Takashi Yamamura
  • Patent number: 7642262
    Abstract: A compound having the formula (I) or its salt, hydrate, hydrate salt or solvate: wherein R1 to R4 independently represent H, halogen, OH, alkoxy, optionally substituted alkyl, aryl, or aralkyl group, R5 represents H, optionally substituted alkyl, aryl, or aralkyl group, E1 represents O, S, or —NR6, where R6 represents H, an optionally substituted alkyl, aryl, or aralkyl group, E2 represents O, S, or —NR7, where R7 represents H, an optionally substituted alkyl, aryl, or aralkyl group, A represents CH, C(OH), or N, X represents H, halogen, alkoxy, or an optionally substituted alkyl group, and Q represents an optionally substituted phenyl group, phenoxy, phenylmethyl, or cycloalkyloxy group, where when E1 represents O or S, E2 does not represent O or S, which has an action of suppressing the cytotoxic Ca2+ overload and lipid peroxidation and effective for pharmaceutical preparation for the alleviation and treatment of symptoms due to ischemic diseases, etc.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: January 5, 2010
    Assignee: Asubio Pharma Co., Ltd.
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • Patent number: 7498344
    Abstract: A pharmaceutical composition, especially a pharmaceutical composition for the alleviation or treatment of symptoms due to ischemic diseases and symptoms derived from seizures, epilepsy, and migraine, and a Ca2+ overload suppressant, containing an arylpiperidinol or arylpiperidine derivative having the formula (I): wherein, R is H, an optionally substituted phenyl, an optionally substituted phenoxy, or an optionally substituted benzoyl, A is a connecting bond, a cycloalkylene, or an alkenylene optionally substituted with a lower alkyl, B is an alkylene optionally substituted with OH or an alkoxy or —NHCO(CH2)n— where n is an integer of 1 to 5, E is a connecting bond, O, or a methylene, X is OH or H provided that when E is O or a methylene, X is not H, and Y and Z are independently H, a halogen, an alkoxy, or an alkyl optionally substituted with a halogen.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: March 3, 2009
    Assignee: Asubio Pharma Co., Ltd.
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • Publication number: 20090048185
    Abstract: A therapeutic drug for diseases, in which NKT cells or stimulus of NKT cells is involved in deterioration of disease conditions, containing, as an active ingredient, a glycolipid derivative having the formula (I): wherein R1 indicates an aldopyranose residue, R2 indicates a hydrogen atom or a hydroxy group, A indicates —CH2—, —CH(OH)—CH2— or —CH?CHCH2—, x indicates an integer of 13 to 16 and y indicates an integer of 0 to 25 or its pharmacologically acceptable hydrate or solvate.
    Type: Application
    Filed: October 27, 2006
    Publication date: February 19, 2009
    Inventors: Sachiko Miyake, Takashi Yamamura, Hirokazu Annoura
  • Patent number: 7488738
    Abstract: There is provided an aminophenoxyacetic acid derivative of the following formula (I): wherein, R1, R2, R3 and R4 are, independent from each other, alkoxy group, alkyl group or aryl group, etc.; E1 and E2 are oxygen atom, sulfur atom, etc.; n is 0 to 5; X and Y are alkylene group, cycloalkylen group, or alkenylen group; Q is phenyl group which may be substituted or benzoyl group, etc, or a pharmaceutically acceptable salt thereof. These compounds have neuroprotective effects by inducing calbindin D28Kd, one of Ca2+-binding proteins.
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: February 10, 2009
    Assignee: Asubio Pharma Co., Ltd.
    Inventors: Hirokazu Annoura, Naohiro Takemoto, Hiroshi Uramoto
  • Publication number: 20060178401
    Abstract: The present invention relates to an amiophenoxyacetamide derivative of the formula (I): wherein R1 to R4 are, independent from each other, a hydrogen atom or an optionally substituted alkyl group; E1 is —NR4—; and E2 is an oxygen atom or —NR10—; Q is the group —X—Y-Q?, wherein X and Y are connecting bonds or X is an alkylene or alkenylene group and Y is selected from a group comprising C?O, NHC(?O), and C(?O)NH, and Q? is a hydrogen atom or a phenyl or pyridyl group which may be substituted; and pharmaceutically acceptable salts thereof. The present invention further relates to compositions comprising compounds of the formula (I) and methods of using said compounds for treating cerebral functional disorders and cerebral organic disorders.
    Type: Application
    Filed: January 24, 2006
    Publication date: August 10, 2006
    Inventors: Naohiro Takemoto, Hirokazu Annoura, Norihito Murayama
  • Patent number: 7067533
    Abstract: The present invention relates to an aminophenoxyacetamide derivative of the formula (I): wherein R1 to R4 are, independent from each other, a hydrogen atom or an optionally substituted alkyl group; E1 is —NR4—; and E2 is an oxygen atom or —NR10—; Q is the group —X—Y-Q?, wherein X and Y are connecting bonds or X is an alkylene or alkenylene group and Y is selected from a group comprising C?O, NHC(?), and C(?O)NH, and Q? is a hydrogen atom or a phenyl or pyridyl group which may be substituted; and pharmaceutically acceptable salts thereof. The present invention further relates to compositions comprising compounds of the formula (I) and methods of using said compounds for treating cerebral functional disorders and cerebral organic disorders.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: June 27, 2006
    Assignee: Daiichi Asubio Pharma Co., Ltd.
    Inventors: Naohiro Takemoto, Hirokazu Annoura, Norihito Murayama
  • Publication number: 20060074235
    Abstract: Novel glycolipid derivatives, where the substituent of the sphingosine base part is a short carbon chain alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group and efficient synthetic methods for practical mass production of the same and intermediates useful for the synthesis of these compounds. Glycolipids having the formula (I): where R3 indicates a substituted or unsubstituted C1 to C7 linear alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted aryl group, or substituted or unsubstituted aralkyl group and R8 indicates a substituted or unsubstituted C1 to C35 alkyl group, substituted or unsubstituted aryl group or substituted or unsubstituted aralkyl group are chemically synthesized.
    Type: Application
    Filed: February 13, 2004
    Publication date: April 6, 2006
    Inventors: Hirokazu Annoura, Kenji Murata, Takashi Yamamura
  • Patent number: 6998401
    Abstract: There is provided an aminophenoxyacetic acid derivative of the following formula (I): wherein, R1, R2, R3 and R4 are, independent from each other, alkoxy group, alkyl group or aryl group, etc.; E1 and E2 are oxygen atom, sulfur atom, etc.; n is 0 to 5; X and Y are alkylene group, cycloalkylen group, or alkenylen group; Q is pheny group which may be substituted or benzoyl group, etc, or a pharmaceutically acceptable salt thereof. These compounds have neuroprotective effects by inducing calbindin D28Kd, one of Ca2+-binding proteins.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: February 14, 2006
    Assignee: Suntory Limited
    Inventors: Hirokazu Annoura, Naohiro Takemoto, Hiroshi Uramoto
  • Publication number: 20050245574
    Abstract: There is provided an aminophenoxyacetic acid derivative of the following formula (I): wherein, R1, R2, R3 and R4 are, independent from each other, alkoxy group, alkyl group or aryl group, etc.; E1 and E2 are oxygen atom, sulfur atom, etc.; n is 0 to 5; X and Y are alkylene group, cycloalkylen group, or alkenylen group; Q is pheny group which may be substituted or benzoyl group, etc, or a pharmaceutically acceptable salt thereof. These compounds have neuroprotective effects by inducing calbindin D28Kd, one of Ca2+-binding proteins.
    Type: Application
    Filed: July 6, 2005
    Publication date: November 3, 2005
    Applicant: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Hirokazu Annoura, Naohiro Takemoto, Hiroshi Uramoto
  • Publication number: 20050101610
    Abstract: A compound having the formula (I) or its salt, hydrate, hydrate salt or solvate: wherein R1 to R4 independently represent H, halogen, OH, alkoxy, optionally substituted alkyl, aryl, or aralkyl group, R5 represents H, optionally substituted alkyl, aryl, or aralkyl group, E1 represents O, S, or —NR6, where R6 represents H, an optionally substituted alkyl, aryl, or aralkyl group, E2 represents O, S, or —NR7, where R7 represents H, an optionally substituted alkyl, aryl, or aralkyl group, A represents CH, C(OH), or N, X represents H, halogen, alkoxy, or an optionally substituted alkyl group, and Q represents an optionally substituted phenyl group, phenoxy, phenylmethyl, or cycloalkyloxy group, where when E1 represents O or S, E2 does not represent O or S, which has an action of suppressing the cytotoxic Ca2+ overload and lipid peroxidation and effective for pharmaceutical preparation for the alleviation and treatment of symptoms due to ischemic diseases, etc.
    Type: Application
    Filed: December 3, 2004
    Publication date: May 12, 2005
    Applicant: DAIICHI SUNTORY PHARMA CO., LTD.
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • Patent number: 6838470
    Abstract: A compound having the formula (I) or its salt, hydrate, hydrate salt or solvate: wherein R1 to R4 independently represent H, halogen, OH, alkoxy, optionally substituted alkyl, aryl, or aralkyl group, R5 represents H, optionally substituted alkyl, aryl, or aralkyl group, E1 represents O, S, or —NR6, where R6 represents H, an optionally substituted alkyl, aryl, or aralkyl group, E2 represents O, S, or —NR7, where R7 represents H, an optionally substituted alkyl, aryl, or aralkyl group, A represents CH, C(OH), or N, X represents H, halogen, alkoxy, or an optionally substituted alkyl group, and Q represents an optionally substituted phenyl group, phenoxy, phenylmethyl, or cycloalkyloxy group, where when E1 represents O or S, E2 does not represent O or S, which has an action of suppressing the cytotoxic Ca2+ overload and lipid peroxidation and effective for pharmaceutical preparation for the alleviation and treatment of symptoms due to ischemic diseases, etc.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: January 4, 2005
    Assignee: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • Publication number: 20040186138
    Abstract: A pharmaceutical composition, especially a pharmaceutical composition for the alleviation or treatment of symptoms due to ischemic diseases and symptoms derived from seizures, epilepsy, and migraine, and a Ca2+ overload suppressant, containing an arylpiperidinol or arylpiperidine derivative having the formula (I): 1
    Type: Application
    Filed: March 15, 2004
    Publication date: September 23, 2004
    Applicant: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • Publication number: 20040063748
    Abstract: There is provided an aminophenoxyacetic acid derivative of the following formula (I): 1
    Type: Application
    Filed: March 24, 2003
    Publication date: April 1, 2004
    Inventors: Hirokazu Annoura, Naohiro Takemoto, Hiroshi Uramoto
  • Patent number: 6706734
    Abstract: A pharmaceutical composition, especially a pharmaceutical composition for the alleviation or treatment of symptoms due to ischemic diseases and symptoms derived from seizures, epilepsy, and migraine, and a Ca2+ overload suppressant, containing an arylpiperidinol or arylpiperidine derivative having the formula (I): wherein, R is H, an optionally substituted phenyl, an optionally substituted phenoxy, or an optionally substituted benzoyl, A is a connecting bond, a cycloalkylene, or an alkenylene optionally substituted with a lower alkyl, B is an alkylene optionally substituted with OH or an alkoxy or —NHCO(CH2)n— where n is an integer of 1 to 5, E is a connecting bond, O, or a methylene, X is OH or H provided that when E is O or a methylene, X is not H, and Y and Z are independently H, a halogen, an alkoxy, or an alkyl optionally substituted with a halogen.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: March 16, 2004
    Assignee: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • Publication number: 20030236269
    Abstract: A compound having the formula (I) or its salt, hydrate, hydrate salt or solvate: 1
    Type: Application
    Filed: December 31, 2002
    Publication date: December 25, 2003
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • Publication number: 20030139447
    Abstract: There is provided an aminophenoxyacetamide derivative of the formula (I): wherein, R1 to R4 are, independent from each other, hydrogen atom; optionally substituted alkyl group; E1 is —NR4— and E2 is oxygen atom or —NR10; Q is group —X—Y—Q′ (X and Y are connecting bond; X is alkylene or alkenylene group, etc.; Y is selected from the groups consisting of C═O, NHC(═O), C(═O)NH, etc.; Q′ is hydrogen atom or pheny, pyridyl groups which may be substituted, etc.), or a pharmaceutically acceptable salt thereof. These compounds have neuroprotective effect by introducing the CalbindinD-28k, one of Ca2+-binding proteins.
    Type: Application
    Filed: December 12, 2001
    Publication date: July 24, 2003
    Inventors: Naohiro Takemoto, Hirokazu Annoura, Norihito Murayama
  • Publication number: 20030130312
    Abstract: A pharmaceutical composition, especially a pharmaceutical composition for the alleviation or treatment of symptoms due to ischemic diseases and symptoms derived from seizures, epilepsy, and migraine, and a Ca2+ overload suppressant, containing an arylpiperidinol or arylpiperidine derivative having the formula (I): 1
    Type: Application
    Filed: July 17, 2002
    Publication date: July 10, 2003
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura