PRODRUG OF QUINOLONE DERIVATIVE OR SALT OF THE SAME

Title:

PRODRUG OF QUINOLONE DERIVATIVE OR SALT OF THE SAME

Document Type and Number:

Japanese Patent JP2008094720

Kind Code:

A

Abstract:

To provide a compound having an excellent effect in inhibiting platelet aggregation.

A prodrug of a quinolone derivative represented by formula (I) or its salt is provided. [In the formula, X is C-R7 or N etc.; Y is C-R6 or N etc.; R11 is -H or lower alkyl etc.; R12 is -H or lower alkyl etc.; R2 is lower alkyl or cycloalkyl etc.; R3 is a halogen or lower alkyl etc.; R4 is cycloalkyl or non-aromatic heterocycle etc.; R5 is -H or halogen etc.; R6 is -H or halogen etc.; R7 is -H or halogen etc.; when Y is C-R6, R2 and R6 may together form a lower alkylene or a lower alkenylene, provided that 7-(cyclohexylamino)-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carbohydrazide is excluded].

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Inventors:

KOGA YUJI
OKUDA TAKAO
HIRABAYASHI RYOJI
FUJIYASU JIRO
MIYAZAKI TAKEHIRO
WATANUKI SUSUMU
HIRAYAMA FUKUSHI
MORITANI YUMIKO
TAKASAKI ATSUSHI

Application Number:

JP2005012715A

Publication Date:

April 24, 2008

Filing Date:

January 20, 2005

Export Citation:

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Assignee:

ASTELLAS PHARMA INC

International Classes:

C07D215/56; A61K31/437; A61K31/4375; A61K31/47; A61K31/4709; A61K31/4725; A61K31/496; A61K31/502; A61K31/5377; A61K31/675; A61K31/706; A61P7/02; A61P43/00; C07D237/28; C07D401/04; C07D401/06; C07D401/12; C07D401/14; C07D405/04; C07D405/06; C07D405/12; C07D409/12; C07D413/12; C07D417/12; C07D471/04; C07F9/6561; C07H15/203

Attorney, Agent or Firm:

Morita Taku
Emiko Yano

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