[EN] PHTHALAZINONE-DERIVATIVES AS PDE4 INHIBITORS<br/>[FR] DERIVES DE PHTALAZINONE UTILISES EN TANT QU'INHIBITEURS DE PDE4
申请人:ALTANA PHARMA AG
公开号:WO2005075457A1
公开(公告)日:2005-08-18
The compounds of a certain formula (1), in which R1, R2, R3, R9 and n have the meanings as given in the description, are novel effective PDE4 inhibitors.
The compounds of a certain formula (1),
in which the given substituents have the meanings as given in the description, are novel effective PDE4 inhibitors.
某一公式(1)的化合物,其中给定的取代基具有描述中所给的含义,是新颖有效的PDE4抑制剂。
PHTHALAZINONE DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS COMPRISING THE SAME
申请人:Kagayama Kohei
公开号:US20090042879A1
公开(公告)日:2009-02-12
The present invention provides a novel compound having an excellent PDE4 inhibitory activity and TNF-α production-suppressing activity, and also provides a preventive and therapeutic agent for atopic dermatitis or the like. The present invention includes a novel phthalazinone derivative of the following general structural formula [1] or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising it as an active ingredient.
In the structural formula [1], the partial structure bridging the 6-position and the 7-position represents a single bond or a double bond; R
1
and R
2
are the same or different and each represents alkyl or the like; Y represents phenylene or the like; Z represents alkylene or the like; and R
3
represents a mono- to tri-cyclic saturated or unsaturated cyclic amino group or the like optionally substituted with R
31
and R
32
, wherein R
31
and R
32
represent alkyl or the like.
Compounds of formula I wherein R1, R2, R3, R4 and R5 have the means set forth in the description are selective cyclic nucleotide phosphodiesterase (PDE) inhibitors (specifically of type 4), which are effective bronchial therapeutics.