Title:
ISOFLAVANE DERIVATIVES AND IMMUNOPOTENTIATING COMPOSITIONS CONTAINING THE SAME
Document Type and Number:
WIPO Patent Application WO/1999/037633
Kind Code:
A1
Abstract:
Compounds originating in licorice root and represented by general formula (II), salts thereof or hydrate of the same which have immunopotentiating effects and mediate actions of accelerating lymphocyte functions and accelerating bone marrow functions. Owing to these characteristics, the above compounds are useful as vital defensive function accelerators. In said formula (II), R?1¿, R?2¿, R?3¿ and R?4¿ are the same or different and each represents hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted acyl, optionally substituted aralkyl or tri-substituted silyl; G?1¿, G?2¿ and G?3¿ are the same or different and each represents hydrogen, optionally substituted acyl or optionally substituted aliphatic hydrocarbyl; and the mark (*) means an asymmetric carbon atom.
Inventors:
MASAKI SHUNICHIRO (JP)
TOJYO TAKEHIKO (JP)
TAKASHIMA AKIRA (JP)
SEO SHUJIRO (JP)
TOJYO TAKEHIKO (JP)
TAKASHIMA AKIRA (JP)
SEO SHUJIRO (JP)
Application Number:
PCT/JP1999/000346
Publication Date:
July 29, 1999
Filing Date:
January 27, 1999
Export Citation:
Assignee:
SHIONOGI & CO (JP)
MASAKI SHUNICHIRO (JP)
TOJYO TAKEHIKO (JP)
TAKASHIMA AKIRA (JP)
SEO SHUJIRO (JP)
MASAKI SHUNICHIRO (JP)
TOJYO TAKEHIKO (JP)
TAKASHIMA AKIRA (JP)
SEO SHUJIRO (JP)
International Classes:
A23L1/30; A61K8/49; A61K31/35; A61Q19/00; C07D311/58; (IPC1-7): C07D311/58; A23L1/30; A61K7/00; A61K31/35
Foreign References:
| JPH0368515A | 1991-03-25 |
Other References:
Chemical Abstracts Service (C A S); 1 January 1900 (1900-01-01), XP002920017, Database accession no. 77-139846P
See also references of EP 1057825A4
See also references of EP 1057825A4
Attorney, Agent or Firm:
Yamamoto, Shusaku (15th floor 2-27, Shiromi 1-chome Chuo-ku Osaka-shi Osaka, JP)
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