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Title:
【発明の名称】フルオレノン誘導体
Document Type and Number:
Japanese Patent JP2807860
Kind Code:
B2
Abstract:
PURPOSE:To obtain a fluorenone derivative having promoting action on existence and growth of choline cholinergic neurocyte of central nerve system and protecting action on its disorder. CONSTITUTION:This medicine comprises a fluorenone derivative of the formula [R<1> is H, OH, alkenyl, alkyl, halogen, alkoxy, alkylthio, alkanoyloxy, alkenyloxy, ANR<8>R<9> (R<8> and R<9> are H, alkyl, alkoxycarbonyl-substituted alkyl, pyrimidinyl, pyrazinyl or together with N form 5- to 6-membered saturated heterocyclic ring; A is alkylene), imidazolyl-substituted, alkoxy-substituted alkyl, etc.; R<2> is H, OH, alkenyl, alkyl, halogen, alkoxy, alkanoyloxy, alkenyloxy, ANR<8>R<9>, imidazolyl-substituted, pyridylthio-substituted alkyl, phenyl-substituted alkyl which may contain alkoxy on phenyl ring, etc.] or its salt such as 1,3,6,8- tetrapropyl-2,5-dihydroxyfluorenone derivative as an active ingredient.

Inventors:
Tatsuyoshi Tanaka
Youji Sakurai
Nobutaka Fujisawa
Osamu Hongo
Takao Nishi
Application Number:
JP13412594A
Publication Date:
October 08, 1998
Filing Date:
June 16, 1994
Export Citation:
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Assignee:
Otsuka Pharmaceutical Co., Ltd.
International Classes:
A61K31/135; A61K31/215; A61K31/235; A61K31/40; A61K31/495; A61K31/496; A61K31/505; A61P3/06; A61P7/02; A61P9/10; A61P25/00; A61P29/00; A61P35/00; A61P37/00; A61P37/08; C07C49/675; C07C49/737; C07C49/747; C07C49/753; C07C49/755; C07C69/16; C07C225/18; A61K31/12; C07C229/12; C07C323/22; C07D207/16; C07D213/32; C07D213/70; C07D233/60; C07D233/84; C07D235/28; C07D239/42; C07D241/14; C07D241/20; C07D295/08; C07D295/10; (IPC1-7): C07C49/675; C07C49/737; C07C49/753; C07C69/16; C07C225/18; C07C229/12; C07C323/22; C07D207/16; C07D213/70; C07D233/60; C07D233/84; C07D235/28; C07D239/42; C07D241/14; C07D295/10
Domestic Patent References:
JP2694A
Other References:
J.Indian Chem.Sci.,1975,52(7),pp.609−613
Attorney, Agent or Firm:
Eiji Saegusa (4 others)