Patents by Inventor Kozo Oda

Kozo Oda 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: 7923573
    Abstract: A superior LXR modulator is provided. A compound represented by the general formula (I): [wherein R1: —COR9 (wherein R9: alkyl, optionally substituted alkoxy or optionally substituted amino); R2: H, OH, alkoxy, optionally substituted amino, etc.; R3: H, optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy, optionally substituted amino, halogeno, etc.; R4 and R5: H, optionally substituted alkyl, halogeno, etc.; R6 and R7: H, alkyl; R8: —X2R10 [wherein R10: —COR11 (wherein R11: OH, optionally substituted alkoxy, optionally substituted amino, etc.), —SO2R12 (wherein R12: optionally substituted alkyl, optionally substituted amino, etc.), tetrazol-5-yl, etc.; X2: single bond, optionally substituted alkylene, etc.]; X1: —NH—, —O—, —S—, etc.; Y1: optionally substituted phenyl, optionally substituted 5- to 6-membered aromatic heterocyclyl; Y2: optionally substituted aryl, optionally substituted heterocyclyl, etc.] and the like is provided.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: April 12, 2011
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Kazuhiko Tamaki, Takahiro Yamaguchi, Kozo Oda, Naoki Terasaka, Daisuke Nakai, Masakazu Nakadai
  • Publication number: 20080132521
    Abstract: Compounds of formula (I): wherein n, R1, R2, R3 and R7 are disclosed herein, are useful in treating disease-states associated with nuclear receptor activity. Pharmaceutical compositions comprising and methods of using said compounds are also disclosed herein.
    Type: Application
    Filed: July 27, 2007
    Publication date: June 5, 2008
    Applicant: EXELIXIS, INC.
    Inventors: Alan T. Johnson, Satoru Kaneko, Raju Mohan, Kozo Oda, Edwin J. Schweiger
  • Publication number: 20080004301
    Abstract: A superior LXR modulator is provided. A compound represented by the general formula (I): [wherein R1: —COR9 (wherein R9: alkyl, optionally substituted alkoxy or optionally substituted amino); R2: H, OH, alkoxy, optionally substituted amino, etc.; R3: H, optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy, optionally substituted amino, halogeno, etc.; R4 and R5: H, optionally substituted alkyl, halogeno, etc.; R6 and R7: H, alkyl; R8: —X2R10 [wherein R10: —COR11 (wherein R11: OH, optionally substituted alkoxy, optionally substituted amino, etc.), —SO2R12 (wherein R12: optionally substituted alkyl, optionally substituted amino, etc.), tetrazol-5-yl, etc.; X2: single bond, optionally substituted alkylene, etc.]; X1: —NH—, —O—, —S—, etc.; Y1: optionally substituted phenyl, optionally substituted 5- to 6-membered aromatic heterocyclyl; Y2: optionally substituted aryl, optionally substituted heterocyclyl, etc.] and the like is provided.
    Type: Application
    Filed: October 26, 2005
    Publication date: January 3, 2008
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Kazuhiko Tamaki, Takahiro Yamaguchi, Kozo Oda, Naoki Terasaka, Daisuke Nakai, Masakazu Nakadai
  • Patent number: 7265131
    Abstract: Compounds of formula (I): wherein n, R1, R2, R3 and R7 are disclosed herein, are useful in treating disease-states associated with nuclear receptor activity. Pharmaceutical compositions comprising and methods of using said compounds are also disclosed herein.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: September 4, 2007
    Assignee: Exelixis, Inc.
    Inventors: Alan T Johnson, Satoru Kaneko, Raju Mohan, Kozo Oda, Edwin J Schweiger
  • Publication number: 20040204447
    Abstract: Compounds of formula (I): 1
    Type: Application
    Filed: December 17, 2003
    Publication date: October 14, 2004
    Applicants: X-Ceptor Therapeutics Inc., Sankyo Company, Limited
    Inventors: Alan T. Johnson, Satoru Kaneko, Raju Mohan, Kozo Oda, Edwin J. Schweiger
  • Patent number: 6040339
    Abstract: Compounds of formula (I): ##STR1## wherein: R.sup.1 is alkyl; R.sup.2a, R.sup.2b, R.sup.2c and R.sup.2d are the same or different and each is hydrogen, optionally substituted alkyl or various other organic groups; R.sup.3 is alkyl; R.sup.4 is a group of formula (II), (III), (IV), (V), (VI), (VII), (VIII) or (IX): ##STR2## wherein: A.sup.1 is a single bond, alkylene or alkenylene; A.sup.2 is or alkenylene; A.sup.3 is a single bond, alkyleneor alkenylene; R.sup.5a and R.sup.5b are the same or different and each is hydrogen, alkyl or various other groups; R.sup.6 is alkyl or phenyl; R.sup.7 is hydrogen or alkyl; R.sup.8 is alkyl or various other groups; and n is 0 and pharmaceutically acceptable salts thereof have valuable inhibitory activity against acyl-CoA: cholesterol acyl transferase.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: March 21, 2000
    Assignee: Sankyo Company, Limited
    Inventors: Akira Yoshida, Kozo Oda, Takashi Kasai, Kousei Shimada, Hiroshi Kogen, Ichiro Hayakawa, Sadao Ishihara, Teiichiro Koga, Eiichi Kitazawa, Taro Tokui
  • Patent number: 5880147
    Abstract: Compounds of formula (I): ##STR1## wherein: R.sup.1 is alkyl; R.sup.2a, R.sup.2b, R.sup.2c and R.sup.2d are the same or different and each is hydrogen, optionally substituted alkyl, --(C.dbd.O)--B.sup.1 (wherein B.sup.1 is hydrogen or alkyl), nitro, --NR.sup.c R.sup.d (wherein R.sup.c is hydrogen or alkyl and Rd is alkyl), hydroxy, protected hydroxy group, alkoxy, cyano, alkylthio, alkylsulfinyl, alkylsulfonyl or halogen;R.sup.3 is alkyl; R.sup.4 is a group of the formula (II) ##STR2## wherein A.sup.1 is a single bond, alkylene or alkenylene; R.sup.5a and R.sup.5b are the same or different and each is hydrogen, alkyl or --A.sup.4 R.sup.5.sub.c wherein A is a single bond, alkylene or alkenylene and R.sup.5.sub.c is alkoxy; and n is 0, and pharmaceutically acceptable salts thereof. Such compounds have valuable inhibitory activity against acyl-CoA (cholesterol acyl transferase).
    Type: Grant
    Filed: September 18, 1996
    Date of Patent: March 9, 1999
    Assignee: Sankyo Company, Limited
    Inventors: Akira Yoshida, Kozo Oda, Takashi Kasai, Kousei Shimada, Hiroshi Kogen, Ichiro Hayakawa, Sadao Ishihara, Teiichiro Koga, Eiichi Kitazawa, Taro Tokui
  • Patent number: 5719275
    Abstract: A method for preparing compounds of formula (I): ##STR1## wherein: R.sup.1 is hydrogen or a hydroxy-protecting group; R.sup.2 is alkyl, alkoxy, halogen, optionally substituted phenyl or optionally substituted phenoxy; R.sup.3 is optionally substituted pyridyl, optionally substituted quinolyl or phenyl group which has a substituent of formula --CYNR.sup.5 R.sup.6, where Y is oxygen or sulfur, and R.sup.5 and R.sup.6 are each alkyl, aryl or aralkyl, or R.sup.5 and R.sup.6 and the nitrogen to which they are attached together form a heterocyclic group; R.sup.4 is hydrogen or an amino-protecting group; and Z is sulfur or oxygen. The process comprises reacting a compound of formula (II): ##STR2## in which R.sup.8, R.sup.9 and R.sup.10 are the same or different and each represents an alkyl group having from 1 to 4 carbon atoms or a phenyl group, with a compound of formula (III): ##STR3## in which R.sup.11 represents an acyloxy, alkylsulfonyl, arylsulfonyl, alkylsulfinyl or arylsulfinyl group.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 17, 1998
    Assignee: Sankyo Company, Limited
    Inventors: Koichi Hirai, Yuji Iwano, Takahide Nishi, Akira Yoshida, Kozo Oda, Hiroo Koyama
  • Patent number: 5681951
    Abstract: A process for preparing a compound of formula (I'): ##STR1## comprising reacting a compound of formula (II'): ##STR2## with a compound of formula (III'):A'SH (III')wherein the reaction of the compound of formula (II') and the compound of formula (III') are carried out in the presence of a salt of a metal of Group II or III of the Periodic Table of Elements, wherein A' is an alkyl, aryl, aralkyl or heterocyclic, R.sup.1' is hydrogen or a carboxy protecting group, R.sup.2' and R.sup.3' can be hydrogen or alkyl, X' can be sulfur, k' is 1 or 2 and R.sup.4' is alkyl, alkenyl, aryl, aralkyl, cycloalkyl or heterocyclic.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 28, 1997
    Assignee: Sankyo Company, Limited
    Inventors: Koichi Hirai, Yuji Iwano, Takahide Nishi, Akira Yoshida, Kozo Oda, Hiroo Koyama
  • Patent number: 5614624
    Abstract: A compound of the formula ##STR1## in which: R.sup.1' is hydrogen or a carboxy-protecting group;R.sup.41' is hydrogen or a hydroxy-protecting group;R.sup.42' is a C.sub.1 -C.sub.6 alkyl, a C.sub.1 -C.sub.6 alkoxy, a halogen, an aryl or an aryloxy; R.sup.43' is hydrogen, a C.sub.1 -C.sub.6 alkyl, a C.sub.1 -C.sub.6 alkoxy, a hydroxy, a halogen, a cyano, a nitro or a group of the formula --NR.sup.8' R.sup.9', where R.sup.8' and R.sup.9' are independently selected from the group consisting of hydrogen, amino-protecting groups, C.sub.1 -C.sub.6 alkyl groups and phenyl groups, or R.sup.8' and R.sup.9' together represent a group --(CH.sub.2).sub.q '--O.sub.r '--(CH.sub.2).sub.s '--, where q' and s' are independently 0 or an integer of from 1 to 5 and r' is 0 or 1, provided that (q'+s') is an integer of at least 2; R.sup.45' and R.sup.46' are independently selected from the group consisting of C.sub.1 -C.sub.6 alkyl groups and aryl groups, or R.sup.45' and R.sup.46' together represent a group --(CH.sub.2).sub.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: March 25, 1997
    Assignee: Sankyo Company, Limited
    Inventors: Koichi Hirai, Yuji Iwano, Takahide Nishi, Akira Yoshida, Kozo Oda, Hiroo Koyama
  • Patent number: 5563169
    Abstract: ConstitutionTricyclic heterocyclyl compounds having a general formula (I): ##STR1## wherein: R.sup.1 and R.sup.2 each represents H, a lower alkyl or lower alkoxy group, a halogen atom or halogeno-lower alkyl; R.sup.3 represents H or a lower alkyl group; R.sup.4 represents a substituted phenyl or naphthyl group; R.sub.5 represents H or a lower alkyl group; A represents a lower alkylene group; B represents an --O-- or --S-- group; and n is 0-1.EffectThe compounds have an excellent activity in the inhibition of acyl-CoA: cholesterol acyltransferase (ACAT) and are useful for the treatment and prophylaxis of atherosclerosis.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: October 8, 1996
    Assignee: Sankyo Company, Limited
    Inventors: Akira Yoshida, Kozo Oda, Takashi Kasai, Teiichiro Koga, Kazuo Hasegawa
  • Patent number: 5541317
    Abstract: Compounds of formula (I): ##STR1## wherein: R.sup.1 is hydrogen or a hydroxy-protecting group; R.sup.2 is alkyl, alkoxy, halogen, optionally substituted phenyl or optionally substituted phenoxy; R.sup.3 is optionally substituted pyridyl, optionally substituted quinolyl or phenyl group which has a substituent of formula --CYNR.sup.5 R.sup.6, where Y is oxygen or sulfur, and R.sup.5 and R.sup.6 are each alkyl, aryl or aralkyl, or R.sup.5 and R.sup.6 and the nitrogen to which they are attached together form a heterocyclic group; is R.sup.4 hydrogen or an amino-protecting group; and Z is sulfur or oxygen; are valuable intermediates in the preparation of carbapenem compounds and retain a desirable configuration during conversion to such carbapenem compounds.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: July 30, 1996
    Assignee: Sankyo Company, Limited
    Inventors: Koichi Hirai, Yuji Iwano, Takahide Nishi, Akira Yoshida, Kozo Oda, Hiroo Koyama