6H-isoxazolo[3,4-d]pyrazolo[3,4-b]pyridines, method for their
申请人:Hoechst-Roussel Pharmaceuticals
公开号:US04624955A1
公开(公告)日:1986-11-25
There are disclosed compounds having the formula ##STR1## wherein R.sub.1 is hydrogen, loweralkyl, arylloweralkyl, aryl or heteroaryl; R.sub.2 is hydrogen or loweralkyl; R.sub.3 is loweralkyl, loweralkoxyloweralkyl, cycloalkyl, arylloweralkyl or heteroarylmethyl; and R.sub.4 is hydrogen or loweralkyl; or a pharmaceutically acceptable acid addition salt thereof, which are useful as anxiolytic agents, methods for synthesizing them, and pharmaceutical compositions comprising an effective amount of such a compound.
Pyrazolo[3,4-b]Pyridine Compounds, and their Use as Phosphodiesterase Inhibitors
申请人:ALLEN David George
公开号:US20080175914A1
公开(公告)日:2008-07-24
The invention relates to a compound of formula (I) or a salt thereof:
wherein:
R
1
is C
1-4
alkyl, C
1-3
fluoroalkyl, —CH
2
CH
2
OH or —CH
2
CH
2
CO
2
C
1-2
alkyl;
R
2
is a hydrogen atom (H), methyl or C
1
fluoroalkyl;
R
3
is optionally substituted C
3-8
cycloalkyl or optionally substituted mono-unsaturated-C
5-7
cycloalkenyl or an optionally substituted heterocyclic group of sub-formula (aa), (bb) or (cc);
in which n
1
and n
2
independently are 1 or 2; and in which Y is O, S, SO
2
, or NR
10
;
or R
3
is a bicyclic group (dd) or (ee):
and wherein X is NR
4
R
5
or OR
5a
.
The compounds are phosphodiesterase (PDE) inhibitors, in particular PDE
4
inhibitors. Also provided is the use of a compound of formula (I), or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for the treatment and/or prophylaxis of an inflammatory and/or allergic disease in a mammal such as a human, for example chronic obstructive pulmonary disease (COPD), asthma, or allergic rhinitis.
Pyrazolo[3,4-B]Pyridine Compound, and Its Use as a Pde4 Inhibitor
申请人:Christensen Benjamin Siegfried
公开号:US20070280971A1
公开(公告)日:2007-12-06
The invention provides 4-[1-(aminocarbonyl)-4-piperidinyl]amino}-N-[(3,4-dimethylphenyl)methyl]-1-ethyl-1H-pyrazolo[3,4-b]pyridine-5-carboxamide, which is the compound of formula (I):
or a salt thereof.
Pyrazolo[3,4-B] Pyridine Compounds and Their Use as Pde4 Inhibitors
申请人:Cook Caroline Mary
公开号:US20080275078A1
公开(公告)日:2008-11-06
The invention provides a compound of formula (I) or a salt thereof:
wherein:
R
1
is C
1-3
alkyl, C
1-3
fluoroalkyl, or —CH
2
CH
2
OH;
R
2
is hydrogen, methyl or C
1
fluoroalkyl;
R
3
is of sub-formula (aa) or (bb):
wherein Y is NCONH
2
and n
1
is 0 or 1;
R
4
is H; and R
5
is a group of the sub-formula (x), (y), (y1) or (z):
These compounds are PDE4 inhibitors.