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Title:
CYCLOPENTENONE DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/1999/000349
Kind Code:
A1
Abstract:
Cyclopentenone derivatives of general formula (I) or optically active isomers thereof, or salts of both (wherein R¿1? and R¿2? are the same or different and each represents a linear or branched alkyl group, a linear or branched alkenyl group, an aromatic group, an araliphatic group or H, excluding the cases in which both R¿1? and R¿2? are H, or R¿1? is benzyl and R¿2? is H).

Inventors:
Kobayashi, Eiji (Central Research Laboratories, Takara Shuzo Co. Ltd., 4-1, Seta 3-chom, Otsu-shi Shiga, 520-2193, JP)
Koyama, Nobuto (Central Research Laboratories, Takara Shuzo Co. Ltd., 4-1, Seta 3-chom, Otsu-shi Shiga, 520-2193, JP)
Kato, Ikunoshin (Central Research Laboratories, Takara Shuzo Co. Ltd., 4-1, Seta 3-chom, Otsu-shi Shiga, 520-2193, JP)
Inami, Kaoru (4-16-12-305, Ishibashi Ikeda-shi, Osaka, 563-0032, JP)
Shiba, Tetsuo (2-28, Hattori Honmachi 1-chome Toyonaka-shi, Osaka, 561-0852, JP)
Application Number:
PCT/JP1998/002516
Publication Date:
January 07, 1999
Filing Date:
June 05, 1998
Export Citation:
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Assignee:
TAKARA SHUZO CO., LTD. (609 Takenaka-cho, Fushimi-ku Kyoto-shi, Kyoto, 612-8061, JP)
Kobayashi, Eiji (Central Research Laboratories, Takara Shuzo Co. Ltd., 4-1, Seta 3-chom, Otsu-shi Shiga, 520-2193, JP)
Koyama, Nobuto (Central Research Laboratories, Takara Shuzo Co. Ltd., 4-1, Seta 3-chom, Otsu-shi Shiga, 520-2193, JP)
Kato, Ikunoshin (Central Research Laboratories, Takara Shuzo Co. Ltd., 4-1, Seta 3-chom, Otsu-shi Shiga, 520-2193, JP)
Inami, Kaoru (4-16-12-305, Ishibashi Ikeda-shi, Osaka, 563-0032, JP)
Shiba, Tetsuo (2-28, Hattori Honmachi 1-chome Toyonaka-shi, Osaka, 561-0852, JP)
International Classes:
C07C45/71; C07C49/753; (IPC1-7): C07C49/597; A61K31/12; C07C45/71; C07C49/657; C07C49/707; C07C49/753
Foreign References:
JPH01233255A
JPH02247151A
Other References:
CARL R. JOHNSON et al., "Chemoenzymatic Synthesis of Trans-4,5-Dihydroxycyclopent-2-Enones: Conversion to D-1-Deoxynojirimycin", JOURNAL OF THE CHEMICAL SOCIETY, CHEMICAL COMMUNICATIONS, 1995, No. 11, pages 1139-1140, XP002913116.
See also references of EP 1000923A1
Attorney, Agent or Firm:
Adati, Mituo (Shin-Ei Building, 6th floor 6-20, Tosabori 1-chome, Nishi-k, Osaka-shi Osaka, 550-0001, JP)
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