Title:
NOVEL BENZOFURANONE DERIVATIVES AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/1998/030556
Kind Code:
A1
Abstract:
Novel benzofuranone derivatives useful as a preventive or remedy for hormone-dependent diseases and represented by specific general formula (I). The production process comprises reacting a specific benzofuranone compound with a specific benzaldehyde compound.
Inventors:
YOSHIHAMA MAKOTO (JP)
NAKAKOSHI MASAMICHI (JP)
NAKAMURA JUNJI (JP)
NAKAYAMA SHOJI (JP)
NAKAKOSHI MASAMICHI (JP)
NAKAMURA JUNJI (JP)
NAKAYAMA SHOJI (JP)
Application Number:
PCT/JP1998/000090
Publication Date:
July 16, 1998
Filing Date:
January 13, 1998
Export Citation:
Assignee:
SNOW BRAND MILK PRODUCTS CO LTD (JP)
YOSHIHAMA MAKOTO (JP)
NAKAKOSHI MASAMICHI (JP)
NAKAMURA JUNJI (JP)
NAKAYAMA SHOJI (JP)
YOSHIHAMA MAKOTO (JP)
NAKAKOSHI MASAMICHI (JP)
NAKAMURA JUNJI (JP)
NAKAYAMA SHOJI (JP)
International Classes:
A61K31/34; A61K31/343; A61P5/28; A61P5/32; A61P13/02; A61P15/00; A61P35/00; A61P43/00; C07D307/83; C07D405/06; C07D407/06; (IPC1-7): C07D307/83; C07D407/06; C07D405/06; A61K31/34; A61K31/40
Foreign References:
| JPH09241165A | 1997-09-16 | |||
| US3975380A | 1976-08-17 | |||
| US5354861A | 1994-10-11 |
Other References:
FARKAS L., BERENYI E., PALLOS L.: "AURONES AND AURONE GLUCOSIDES-XI SYNTHESIS OF HISPIDOL AND ITS GLUCOSIDES.", TETRAHEDRON, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 24., 1 January 1968 (1968-01-01), AMSTERDAM, NL, pages 4213 - 4216., XP002912311, ISSN: 0040-4020, DOI: 10.1016/0040-4020(68)88182-7
KUROSAWA K., HIGUCHI J.: "STUDY ON OXIDATION OF CHALCONES WITH LEAD TETRAACETATE AND MANGANIC ACETATE.", BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, CHEMICAL SOCIETY OF JAPAN, TOKYO., JP, vol. 45., 1 January 1972 (1972-01-01), JP, pages 1132 - 1136., XP002912312, ISSN: 0009-2673
SARBAGYA D. P., ET AL.: "SYNTHESIS OF PYRIDOÚ3,2-B¾BENZOFURANS.", INDIAN JOURNAL OF CHEMISTRY, JODHPUR, IN, vol. 25B., 1 September 1986 (1986-09-01), IN, pages 891 - 893., XP002912313
GOLDSACK R. J., SHANNON J. S.: "PROXIMITY EFFECTS IN THE ELECTRON IMPACT MASS SPECTRA OF AURONES AND RELATED COMPOUNDS.", OMS. ORGANIC MASS SPECTROMETRY., WILEY, CHICHESTER., GB, vol. 15., no. 11., 1 January 1980 (1980-01-01), GB, pages 545 - 555., XP002912314, ISSN: 0030-493X, DOI: 10.1002/oms.1210151102
See also references of EP 0902022A4
KUROSAWA K., HIGUCHI J.: "STUDY ON OXIDATION OF CHALCONES WITH LEAD TETRAACETATE AND MANGANIC ACETATE.", BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, CHEMICAL SOCIETY OF JAPAN, TOKYO., JP, vol. 45., 1 January 1972 (1972-01-01), JP, pages 1132 - 1136., XP002912312, ISSN: 0009-2673
SARBAGYA D. P., ET AL.: "SYNTHESIS OF PYRIDOÚ3,2-B¾BENZOFURANS.", INDIAN JOURNAL OF CHEMISTRY, JODHPUR, IN, vol. 25B., 1 September 1986 (1986-09-01), IN, pages 891 - 893., XP002912313
GOLDSACK R. J., SHANNON J. S.: "PROXIMITY EFFECTS IN THE ELECTRON IMPACT MASS SPECTRA OF AURONES AND RELATED COMPOUNDS.", OMS. ORGANIC MASS SPECTROMETRY., WILEY, CHICHESTER., GB, vol. 15., no. 11., 1 January 1980 (1980-01-01), GB, pages 545 - 555., XP002912314, ISSN: 0030-493X, DOI: 10.1002/oms.1210151102
See also references of EP 0902022A4
Attorney, Agent or Firm:
Funahashi, Eiko (3rd floor 16-4, Nishishinbashi 1-chom, Minato-ku Tokyo 105, JP)
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