Title:
PYRIDONE DERIVATIVES AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/1999/043659
Kind Code:
A1
Abstract:
A process for producing a pyridone derivative represented by general formula (4), characterized by reacting a compound represented by general formula (1) with a hypochlorite or hypobromite or with lead tetraacetate to give a compound represented by general formula (2) and reacting this compound with a compound represented by general formula (3). The process is preferable especially from the standpoint of safety. In said formulae, R?1¿ represents hydrogen, alkyl, substituted alkyl, etc.; Y?1¿ represents hydrogen, alkyl, substituted alkyl, etc.; Y?2¿ and Y?3¿ each independently represents hydrogen, halogeno, etc.; and L represents alkyl, substituted alkyl, etc.
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Inventors:
MURAOKA MASAMI (JP)
MORISHITA KOJI (JP)
AIDA NAGISA (JP)
TANAKA MASASHI (JP)
YURI MASATOSHI (JP)
OHASHI NAOHITO (JP)
MORISHITA KOJI (JP)
AIDA NAGISA (JP)
TANAKA MASASHI (JP)
YURI MASATOSHI (JP)
OHASHI NAOHITO (JP)
Application Number:
PCT/JP1999/000718
Publication Date:
September 02, 1999
Filing Date:
February 17, 1999
Export Citation:
Assignee:
SUMITOMO PHARMA (JP)
MURAOKA MASAMI (JP)
MORISHITA KOJI (JP)
AIDA NAGISA (JP)
TANAKA MASASHI (JP)
YURI MASATOSHI (JP)
OHASHI NAOHITO (JP)
MURAOKA MASAMI (JP)
MORISHITA KOJI (JP)
AIDA NAGISA (JP)
TANAKA MASASHI (JP)
YURI MASATOSHI (JP)
OHASHI NAOHITO (JP)
International Classes:
C07D213/73; C07D213/75; C07D471/04; C07D521/00; (IPC1-7): C07D213/72; C07D213/73; C07D401/12; C07D401/14; C07D471/04; A61K31/44; A61K31/535; A61K31/445
Domestic Patent References:
| WO1998054153A1 | 1998-12-03 |
Foreign References:
| JPH10212288A | 1998-08-11 | |||
| JPH10510512A | 1998-10-13 | |||
| JPH07503712A | 1995-04-20 | |||
| JPH0948780A | 1997-02-18 | |||
| JPH03120243A | 1991-05-22 |
Other References:
MARCH J: "ADVANCE ORGANIC CHEMISTRY REACTIONS, MECHANISMS, AND STRUCTURE", ADVANCED ORGANIC CHEMISTRY., MCGRAW-HILL, US, 1 January 1985 (1985-01-01), US, pages 982 - 984, XP002929204
SHANTARE D, ET AL.: "2-OXOOXAZOLOPYRIDINES 2-OXOOXAZOLOPYRIDINES 1. SYNTHESIS OF ALKYL N-(2-OXO-3-PYRIDYL)CARBAMATES 1. SYNTHESIS OF ALKYL N-", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, SPRINGER NEW YORK LLC, US, vol. 33, no. 02, 1 January 1997 (1997-01-01), US, pages 208 - 215, XP002929205, ISSN: 0009-3122, DOI: 10.1007/BF02256763
SHANTARE D, ET AL.: "2-OXOOXAZOLOPYRIDINES 2. SYNTHESIS OF N'-ALKYL-N-(2-OXO-3-PYRIDYL)UREAS", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, SPRINGER NEW YORK LLC, US, vol. 34, no. 03, 1 January 1998 (1998-01-01), US, pages 351 - 358, XP002929206, ISSN: 0009-3122
GUDRINIECE E, ET AL.: "SYNTHESIS OF 2-OXOOXAZOLON (5,4-B) PYRIDINES AND THEIR REACTIONS WITH AMINES", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, SPRINGER NEW YORK LLC, US, no. 02, 1 January 1995 (1995-01-01), US, pages 271/272, XP002929207, ISSN: 0009-3122
See also references of EP 1086948A4
SHANTARE D, ET AL.: "2-OXOOXAZOLOPYRIDINES 2-OXOOXAZOLOPYRIDINES 1. SYNTHESIS OF ALKYL N-(2-OXO-3-PYRIDYL)CARBAMATES 1. SYNTHESIS OF ALKYL N-", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, SPRINGER NEW YORK LLC, US, vol. 33, no. 02, 1 January 1997 (1997-01-01), US, pages 208 - 215, XP002929205, ISSN: 0009-3122, DOI: 10.1007/BF02256763
SHANTARE D, ET AL.: "2-OXOOXAZOLOPYRIDINES 2. SYNTHESIS OF N'-ALKYL-N-(2-OXO-3-PYRIDYL)UREAS", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, SPRINGER NEW YORK LLC, US, vol. 34, no. 03, 1 January 1998 (1998-01-01), US, pages 351 - 358, XP002929206, ISSN: 0009-3122
GUDRINIECE E, ET AL.: "SYNTHESIS OF 2-OXOOXAZOLON (5,4-B) PYRIDINES AND THEIR REACTIONS WITH AMINES", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, SPRINGER NEW YORK LLC, US, no. 02, 1 January 1995 (1995-01-01), US, pages 271/272, XP002929207, ISSN: 0009-3122
See also references of EP 1086948A4
Attorney, Agent or Firm:
Nakamura, Toshio (Ltd. Intellectual Property Dept. 1-98
Kasugadenaka 3-chome Konohana-ku, Osaka-shi Osaka, JP)
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