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Title:
CYCLOPENTENONE DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/1998/040346
Kind Code:
A1
Abstract:
Cyclopentenone derivatives having structures of 2-cyclopenten-1-one substituted with R�1?COO- and R�2?COO- at the 5- and 4-positions respectively (wherein R�1? and R�2? are each independently alkyl, alkenyl, or aryl), or optical isomers thereof; a process for the preparation of the derivatives by reacting 4,5-dihydroxy-2-cyclopenten-1-one with the corresponding carboxylic acid or a reactive derivative thereof; and carcinostatic agents, apoptosis inducers and antibacterial agents containing the derivatives.

Inventors:
KOYAMA NOBUTO (JP)
IKAI KATSUSHIGE (JP)
KOBAYASHI EIJI (JP)
KATO IKUNOSHIN (JP)
Application Number:
PCT/JP1998/000817
Publication Date:
September 17, 1998
Filing Date:
February 26, 1998
Export Citation:
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Assignee:
TAKARA SHUZO CO (JP)
KOYAMA NOBUTO (JP)
IKAI KATSUSHIGE (JP)
KOBAYASHI EIJI (JP)
KATO IKUNOSHIN (JP)
International Classes:
C07C69/013; (IPC1-7): C07C69/28; C07C67/08; A61K31/215; A61K31/235; A61K31/23
Foreign References:
JPH02247151A1990-10-02
Other References:
SMITH A. B., ET AL.: "STEREOCONTROLLED TOTAL SYNTHESIS OF (PLUS OR MINUS)-PENTENOMYCINS I-III, THEIR EPIMERS, AND DEHYDROPENTENOMYCIN I.", THE JOURNAL OF ORGANIC CHEMISTRY, AMERICAN CHEMICAL SOCIETY, US, vol. 47., no. 10., 1 January 1982 (1982-01-01), US, pages 1855 - 1869., XP002910863, ISSN: 0022-3263, DOI: 10.1021/jo00349a009
See also references of EP 0976717A4
Attorney, Agent or Firm:
Adati, Mituo (6-20 Tosabori 1-chome, Nishi-k, Osaka-shi Osaka, JP)
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