Pyridazinone and triazinone compounds and use thereof as pharmaceutical preparations
申请人:Nagato Satoshi
公开号:US20060189622A1
公开(公告)日:2006-08-24
The present invention provides a novel compound exhibiting an excellent inhibitory action on AMPA receptor and/or kainate receptor. That is, it provides a compound represented by the following formula, a salt thereof or a hydrate of them.
In the formula, A
1
, A
2
and A
3
are independent of each other and each represents a C
3-8
cycloalkyl group, a C
3-8
cycloalkenyl group, a 5- to 14-membered non-aromatic heterocyclic group, a C
6-14
aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may be substituted; Q represents O, S or NH; Z represents C or N; X
1
, X
2
and X
3
are independent of each other and each represents a single bond, an optionally substituted C
1-6
alkylene group, an optionally substituted C
2-6
alkenylene group, an optionally substituted C
2-6
alkynylene group, —NH—, —O—, —NHCO—, —CONH—, —SO
0-2
—, etc.; R
1
and R
2
are independent of each other and each represents a hydrogen atom or an optionally substituted C
1-6
alkyl group, or R
1
and R
2
may be bound together such that CR
2
-ZR
1
forms C═C; and R
3
represents a hydrogen atom or an optionally substituted C
1-6
alkyl group etc., or may be bound to any atom in A
1
or A
3
to form, together with the atom, an optionally substituted C
5-8
hydrocarbon ring or an optionally substituted 5- to 8-membered heterocyclic ring.
本发明提供了一种新型化合物,它表现出对AMPA受体和/或kainate受体的优异抑制作用。即,它提供了由以下公式表示的化合物,其盐或水合物。在该公式中,A1、A2和A3相互独立,每个表示C3-8环烷基、C3-8环烯基、5-至14元非芳杂环基、C6-14芳香烃环基或5-至14元芳香杂环基,每个都可以被取代;Q表示O、S或NH;Z表示C或N;X1、X2和X3相互独立,每个表示单键、可选取代的C1-6烷基、可选取代的C2-6烯基、可选取代的C2-6炔基、—NH—、—O—、—NHCO—、—CONH—、—SO0-2—等;R1和R2相互独立,每个表示氢原子或可选取代的C1-6烷基,或者R1和R2可以结合在一起,使CR2-ZR1形成C═C;R3表示氢原子或可选取代的C1-6烷基等,或者可以与A1或A3中的任何原子结合,在一起形成可选取代的C5-8碳氢环或可选取代的5-至8元杂环。