Patents Assigned to Daiichi Pharmaceutical Co., LTD
  • Publication number: 20060193827
    Abstract: The present invention provides an agent for preventing and/or treating cachexia comprising TCF-II as an effective ingredient. An agent for preventing and treating cachexia caused by cancer, acquired immunodeficient syndrome (AIDS), cardiac diseases, infectious disease, shock, burn, endotoxinemia, organ inflammation, surgery, diabetes, collagen diseases, radiotherapy, chemotherapy is provided by the present invention.
    Type: Application
    Filed: May 2, 2006
    Publication date: August 31, 2006
    Applicant: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Masamichi Kojiro, Hirohisa Yano, Akihiro Iemura
  • Publication number: 20060189591
    Abstract: The present invention relates to a compound represented by formula (I): a salt of the compound, or a solvate of the compound or the salt; a drug containing any of the compounds, the salts, and the solvates; a preventive and/or therapeutic agent for an ischemic disease containing any of the compounds, the salts, and the solvates; and a platelet coagulation inhibitor containing any of the compounds, the salts, and the solvates. The compound of the present invention is useful as a strong platelet coagulation inhibitor without inhibiting COX-1 or COX-2.
    Type: Application
    Filed: April 20, 2004
    Publication date: August 24, 2006
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toru Okayama, Kouichi Uoto, Takashi Ishiyama, Naoaki Kanaya, Youichi Kimura, Hiroaki Ishihara, Toshiyuki Watanabe, Kunihiko Fujii
  • Patent number: 7087778
    Abstract: Processes for producing antibacterial agents and intermediates useful in producing antibacterial agents are provided and include producing compound (VI-a) in accordance with the following reaction schema, as well as production intermediates thereof
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: August 8, 2006
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Kouji Sato, Yoshihiro Takayanagi, Katsuhiko Okano, Keiji Nakayama, Akihiro Imura, Mikihiro Itoh, Tsutomu Yagi, Yukinari Kobayashi, Tomoyuki Nagai
  • Patent number: 7074837
    Abstract: A process for preparing intermediate compound (VII), compound (VIII) and compound (XIV) which will be raw materials for the synthesis of a synthetic antibactrial compound, via compound (I) or compound (X) and then, compound (II), the compounds each being shown below; and novel compounds useful for the preparation.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: July 11, 2006
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Keiji Nakayama, Makoto Muto, Tatsuru Saito, Yuichiro Tani, Toshifumi Akiba
  • Publication number: 20060135775
    Abstract: [Problem]Provision of a commercially advantageous method for producing an intermediate which is important for producing the antibacterial and which has a mother nucleus common to the antibacterial, and intermediates produced by such method.
    Type: Application
    Filed: June 4, 2004
    Publication date: June 22, 2006
    Applicant: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Makoto Muto, Manabu Miura, Yutaka Kitagawa
  • Publication number: 20060128685
    Abstract: The present invention is directed to a strong platelet aggregation-inhibiting agent which does not inhibit COX-1 or COX-2. The present invention provides compounds represented by formula (I) or formula (II), salts of the compounds, and solvates of the compounds or the salts. Also provided are medicaments containing any of the compounds, salts, or solvates and preventive and/or therapeutic agents for ischemic diseases, containing any of the compounds, salts, or the solvates.
    Type: Application
    Filed: February 6, 2004
    Publication date: June 15, 2006
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.,
    Inventors: Naoaki Kanaya, Hiroaki Ishihara, Youichi Kimura, Takashi Ishiyama, Yuichi Ochiai
  • Publication number: 20060122396
    Abstract: Provided are a technique for position-selectively introducing an amino group into a difluorobenzoic acid, a novel process for producing a quinolonecarboxylic acid derivative serving as an antibacterial agent, and intermediates in the production. The process comprises treating a compound represented by formula (6): with a base in a water-containing solvent.
    Type: Application
    Filed: June 18, 2004
    Publication date: June 8, 2006
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Makoto Muto, Yutaka Kitagawa
  • Patent number: 7056917
    Abstract: A medicament for preventive and/or therapeutic treatment of a microbial infection which comprises as an active ingredient a compound represented by the following general formula (I): wherein, R1 and R2 represent hydrogen atom, a halogen atom, hydroxyl group or the like, W1 represents —CH?CH—, —CH2O—, —CH2CH2— or the like; R3 represents hydrogen atom, a halogen atom, hydroxyl group or an amino group; R4 represents hydrogen atom, a group of —OZ0-4R5 (Z0-4 represents an alkylene group, a fluorine-substituted alkylene group or a single bond, and R5 represents a cyclic alkyl group, an aryl group or the like); W2 represents a single bond or —C(R8)?C(R9)— (R8 and R9 represent hydrogen atom, a halogen atom, a lower alkyl group or the like, Q represents an acidic group, but W2 and Q may together form vinylidenethiazolidinedione or an equivalent heterocyclic ring; m and n represent an integer of 0 to 2, and q represents an integer of 0 to 3.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: June 6, 2006
    Assignees: Daiichi Pharmaceutical Co., Ltd., Trine Pharmaceuticals, Inc.
    Inventors: Kiyoshi Nakayama, Masami Ohtsuka, Haruko Kawato, William Watkins, Jason Zhang, Monica Palme, Aesop Cho
  • Publication number: 20060106034
    Abstract: A medicament for preventive and/or therapeutic treatment of a microbial infection which comprises as an active ingredient a compound represented by the following general formula (I): wherein, R1 and R2 represent hydrogen atom, a halogen atom, hydroxyl group or the like, W1 represents —CH?CH—, —CH2O—, —CH2CH2— or the like; R3 represents hydrogen atom, a halogen atom, hydroxyl group or an amino group; R4 represents hydrogen atom, a group of —OZ0-4R5 (Z0-4 represents an alkylene group, a fluorine-substituted alkylene group or a single bond, and R5 represents a cyclic alkyl group, an aryl group or the like); W2 represents a single bond or —C(R8)?C(R9)?(R8 and R9 represent hydrogen atom, a halogen atom, a lower alkyl group or the like, Q represents an acidic group, but W2 and Q may together form vinylidenethiazolidinedione or an equivalent heterocyclic ring; m and n represent an integer of 0 to 2, and q represents an integer of 0 to 3.
    Type: Application
    Filed: December 29, 2005
    Publication date: May 18, 2006
    Applicants: Daiichi Pharmaceutical Co., Ltd., Trine Pharmaceuticals, Inc.
    Inventors: Kiyoshi Nakayama, Masami Ohtsuka, Haruko Kawato, William Watkins, Jason Zhang, Monica Palme, Aesop Cho
  • Patent number: 7041818
    Abstract: A DDS compound comprising a carboxy(C1-4)alkyldextran polyalcohol modified with a saccharide compound and a residue of drug compound bound to the carboxy(C1-4)alkyldextran polyalcohol, and a method for measuring a DDS compound in which a polymer carrier and a residue of drug compound are bound to each other by means of a spacer comprising 2 to 8 amino acids linked by peptide bond(s), which comprises the steps of treating the DDS compound with a peptidase, and measuring the resulting hydrolysate.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: May 9, 2006
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Susaki, Kazuhiro Inoue, Hiroshi Kuga, Masahiro Ikeda, Yoshinobu Shiose
  • Publication number: 20060074053
    Abstract: The present invention provides an ophthalmic solution containing as the active ingredient a quinolone antimicrobial compound, wherein at least one member selected from the group consisting of water-soluble vinyl polymeric compounds and water-soluble cellulose derivatives is formulated into the ophthalmic solution to prevent the quinolone antimicrobial compound from precipitating when the ophthalmic solution comes in contact with the lacrimal fluid after instillation.
    Type: Application
    Filed: November 22, 2005
    Publication date: April 6, 2006
    Applicants: SANTEN PHARMACEUTICAL CO., LTD., DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Hiroyuki Asada, Akio Kimura
  • Patent number: 7022893
    Abstract: A gene-mutated animal such as a mouse which comprises a mutant prsenilin-1 gene comprising a DNA having a sequence encoding a mutant presenilin-1 protein in which an amino acid is substituted with a different amino acid in an amino acid sequence of a presenilin-1 protein; for example, a mutant presenilin protein in which isoleucine at position 213 is substituted with an amino acid other than isoleucine, e.g., threonine, in a mouse presenilin-1 protein. The animal is useful as an animal model which has pathological conditions closer to a human patient with Alzheimer's disease.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: April 4, 2006
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Takeda, Junji Takeda
  • Publication number: 20060068016
    Abstract: A particulate containing a pantethine, a light anhydrous silicic acid and a microcrystalline cellulose, in which the total content of the light anhydrous silicic acid the microcrystalline cellulose amounts to a quantity that yields a 0.6 or higher adsorptivity. The present pantethine-containing particulate has a good flowability and an adequate particle size providing excellent handling properties. It is free from impediments such as blocking, and has a good storage stability.
    Type: Application
    Filed: September 29, 2003
    Publication date: March 30, 2006
    Applicant: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Motonori Kidokoro, Yasuhiro Tsutsumi, Mitsumasa Nada
  • Publication number: 20060052626
    Abstract: A method of producing 2-fluorocyclopropane-1-carboxylic acid ester, which comprise by allowing a compound represented by the following formula (1): wherein X represents a chlorine atom, a bromine atom or an iodine atom; and R1 represents an alkyl group having 1 to 8 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, or an aralkyl group composed of an aryl group having 6 to 12 carbon atoms and an alkylene group having 1 to 6 carbon atoms; to react with a reducing agent in the presence of a phase transfer catalyst. According to the production method of the present invention, the reaction time of dehalogenation can be greatly shortened.
    Type: Application
    Filed: January 7, 2004
    Publication date: March 9, 2006
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Yuichiro Tani, Keiji Nakayama, Kenji Sakuratani, Koji Sato
  • Publication number: 20060004009
    Abstract: The invention relates a compound represented by the formula (1): Q1-Q2-C(?O)—N(R1)-Q3-N(R2)-T1-Q4??(1) wherein R1 and R2 represent H or the like; Q1 represents an aromatic ring, heterocyclic ring or the like; Q2 represents a single bond, aromatic ring, heterocyclic ring or the like; Q3 represents a group or the like, Q4 represents an aromatic ring, heterocyclic ring or the like; and T1 represents —CO— or —SO2—, and a medicine which comprises the compound and is useful for thrombosis and embolism.
    Type: Application
    Filed: September 2, 2005
    Publication date: January 5, 2006
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toshiharu Yoshino, Tsutomu Nagata, Noriyasu Haginoya, Kenji Yoshikawa, Hideyuki Kanno, Masatoshi Nagamochi
  • Publication number: 20050245565
    Abstract: A compound represented by the general formula (1): Q1-Q2-T0-N(R1)-Q3-N(R2) -T1-Q4 ??(1) wherein R1 and R2 are hydrogen atoms or the like; Q1 is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q2 is a single bond or the like; Q3 is a group in which Q5 is an alkylene group having 1 to 8 carbon atoms, or the like; and T0 and T1 are carbonyl groups or the like; a salt thereof, a solvate thereof, or an N-oxide thereof.
    Type: Application
    Filed: June 20, 2002
    Publication date: November 3, 2005
    Applicant: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20050234109
    Abstract: Provided are novel compounds having an inhibitory activity against production or secretion of ?-amyloid protein. They embrace compounds represented by the following formula (1): and capable of being replaced with a variety of substituents; and salts thereof, and solvates of any one of them.
    Type: Application
    Filed: December 27, 2002
    Publication date: October 20, 2005
    Applicant: Daiichi Pharmaceutical Co. Ltd.
    Inventors: Takanori Yasukouchi, Masayuki Ito, Hideki Kubota, Satoru Miyauchi, Masanori Saito
  • Patent number: 6949662
    Abstract: The present invention relates to an antimicrobial compound having high safety as well as potent antimicrobial activity on a broad range of microorganisms represented by the following formula:
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: September 27, 2005
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Makoto Takemura, Youichi Kimura, Hisashi Takahashi, Yohhei Ishida
  • Publication number: 20050187249
    Abstract: The present invention relates to an aqueous solution containing a physiologically active substance which may have a substituent and which has an amidino group, wherein the pH of the solution is higher than 2 and equal to or lower than 4. The invention also relates to a lyophilized product obtained by drying the solution, to an injection containing the aqueous solution or the lyophilized product, and to an injection kit.
    Type: Application
    Filed: May 13, 2003
    Publication date: August 25, 2005
    Applicant: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Yoshimine Fuji, Norio Suzuki
  • Publication number: 20050152973
    Abstract: The present invention relates to a disintegrant comprising a substance which is solid at room temperature and has a water solubility of 30 wt. % or more, a saturated aqueous solution of the substance having a viscosity of 50 mpa.s.
    Type: Application
    Filed: November 19, 2004
    Publication date: July 14, 2005
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toshio Murakami, Noritaka Ii, Hiroyuki Sakurai