Compounds of general formula I:
1
or pharmaceutically or veterinarily acceptable salts, solvates, polymorphs or pro-drugs thereof wherein:
wherein R
1
, R
2
, R
3
, R
4
, X and A have the meanings given herein which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
Pyrazolopyrimidinones which inhibit type 5 cyclic guanosine 3',5'-monophosphate phosphodiesterase (cGMP-PDE5) for the treatment of sexual dysfunction
申请人:Pfizer Inc
公开号:US20040180944A1
公开(公告)日:2004-09-16
1
Compounds of formulae (IA) and (IB) or pharmaceutically or veterinarily acceptable salts thereof, or pharmaceutically or veterinarily acceptable solvates of either entity, wherein R
1
is C
1
to C
3
alkyl substituted with C
3
to C
6
cycloalkyl, CONR
5
R
6
or a N-linked heterocyclic group; (CH
2
)
n
Het or (CH
2
)
n
Ar, R
2
is C
1
to C
6
alkyl; R
3
is C
1
to C
6
alkyl optionally substituted with C
1
to C
4
alkoxy; R
4
is SO
2
NR
7
R
8
; R
5
and R
6
are each independently selected from H and C
1
to C
4
alkyl optionally substituted with C
1
to C
4
alkoxy, or, together with the nitrogen atom to which they are attached, form a 5- or 6-membered heterocyclic group; R
7
and R
8
, together with the nitrogen atom to which they are attached, form a 4-R
10
-piperazinyl group; R
10
is H or C
1
to C
4
alkyl optionally substituted with OH, C
1
to C
4
alkoxy or CONH
2
; Het is an optionally substituted C-linked 5- or 6-membered heterocyclic group; Ar is optionally substituted phenyl; and n is 0 or 1; are potent and selective cGMP PDE5 inhibitors useful in the treatment of, inter alia, male erectile dysfunction and female sexual dysfunction.
Pyrazolopyrimidinone cGMP PDE5 inhibitors for the treatment of sexual dysfunction
申请人:PFIZER INC.
公开号:EP0995750A1
公开(公告)日:2000-04-26
There is provided compounds of formula IA and of formula IB,
wherein R1, R2, R3, R4 and A have meanings given in the description, which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3',5'-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
提供了式 IA 和式 IB 的化合物、
其中 R1、R2、R3、R4 和 A 具有描述中给出的含义,可用于治疗和预防需要抑制环鸟苷-3',5'-单磷酸磷酸二酯酶(如 cGMP PDE5)的病症。
PYRAZOLO[4,3-D]PYRIMIDINONE COMPOUNDS AS CGMP PDE INHIBITORS