TRIAZINE DERIVATIVE AND PHARMACEUTICAL COMPOSITION HAVING AN ANALGESIC ACTIVITY COMPRISING THE SAME
申请人:Kai Hiroyuki
公开号:US20130172317A1
公开(公告)日:2013-07-04
The present invention provides novel compounds having a P2X
3
and/or P2X
2/3
receptor antagonistic effect.
A pharmaceutical composition having an analgesic effect or an improving effect of urination disorder comprising a compound of the formula (I):
wherein
R
h
and R
j
are taken together to form a bond; R
a
and R
b
and/or R
d
and R
e
are taken together to form oxo or the like; R
c
is hydrogen, substituted or unsubstituted alkyl or the like;
R
f
is —(CR
4a
R
4b
)
n
—R
2
; R
4a
and R
4b
are hydrogen, substituted or unsubstituted alkyl or the like; R
2
is substituted or unsubstituted cycloalkyl or the like; n is an integer of 1 to 4; —R
g
is —X—R
3
; —X— is —O—, —S— or the like; R
3
is substituted or unsubstituted cycloalkyl or the like,
or its pharmaceutically acceptable salt or a solvate thereof.
本发明提供了具有P2X3和/或P2X2/3受体拮抗作用的新型化合物。一种具有镇痛作用或改善排尿障碍作用的药物组合物,包括式(I)的化合物:其中Rh和Rj结合形成键;Ra和Rb和/或Rd和Re结合形成氧化物或类似物;Rc是氢、取代或未取代的烷基或类似物;Rf是-(CR4aR4b)n-R2;R4a和R4b是氢、取代或未取代的烷基或类似物;R2是取代或未取代的环烷基或类似物;n是1到4的整数;-R是-X-R3;-X-是-O-、-S-或类似物;R3是取代或未取代的环烷基或类似物,或其药学上可接受的盐或其溶剂化物。