NOVEL TRIAZINE DERIVATIVE AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
申请人:Kai Hiroyuki
公开号:US20110319414A1
公开(公告)日:2011-12-29
The present invention provides a novel P2X
3
and/or P2X
2/3
receptor antagonist.
A compound represented by the formula (I);
wherein R
a
, R
b
and R
c
are,
(a) R
a
and R
b
are taken together ═Z; and R
c
is a group represented by R
1c
; or
(b) R
b
and R
c
are taken together to form a bond; and R
a
is a group represented by —Y—R
1a
;
R
1a
and R
1c
are each independently hydrogen, substituted or unsubstituted alkyl, etc.;
R
2
and R
3
are each independently substituted or unsubstituted aryl, etc.;
R
4a
and R
4b
are each independently hydrogen, substituted or unsubstituted alkyl, etc.;
X is —N(R
5
)—, etc.;
R
5
is hydrogen, substituted or unsubstituted lower alkyl, etc.;
—Y— is —O—, etc.;
═Z is ═O, etc.; and
n is an integer of 0 to 4.
NOVEL, TRIAZINE DERIVATIVE AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
申请人:Shionogi & Co., Ltd.
公开号:US20160185736A1
公开(公告)日:2016-06-30
The present invention provides a novel P2X
3
and/or P2X
2/3
receptor antagonist.
A compound represented by the formula (I):
wherein R
a
, R
b
and R
c
are,
(a) R
a
and R
b
are taken together ═Z; and R
c
is a group represented by R
1c
; or
(b) R
b
and R
c
are taken together to form a bond; and R
a
is a group represented by —Y—R
1a
;
R
1a
and R
1c
are each independently hydrogen, substituted or unsubstituted alkyl, etc.;
R
2
and R
3
are each independently substituted or unsubstituted aryl, etc.;
R
4a
and R
4b
are each independently hydrogen, substituted or unsubstituted alkyl, etc.;
X is —N(R
5
)—, etc.;
R
5
is hydrogen, substituted or unsubstituted lower alkyl, etc.;
—Y— is —O—, etc.;
═Z is ═O, etc.; and
n is an integer of 0 to 4.