The present invention is directed to novel cyclic nitrones and their use in the prevention of oxidation tissue damage by free radicals, their use in the treatment of a number of disease states in which radicals either damage or destroy tissues via oxidation, and pharmaceutical compositions containing these cyclic nitrones.
Pyrazolopyrimidines, a process for their preparation and their use as medicine
申请人:Danysz Wojciech
公开号:US20080039476A1
公开(公告)日:2008-02-14
The invention relates to pyrazolopyrimidine derivatives of formula (I)
wherein
Y
1
, Y
2
and Y
3
independently are e.g. CR
10
, NH, S or O,
whereby at least one of Y
1
, Y
2
and Y
3
represents CR
10
;
R
1
represents chloro or bromo;
R
2
, R
3
, R
4
, R
5
, R
6
and R
7
represent e.g. hydrogen or C
1
-C
6
-alkyl, and
R
10
represents e.g. hydrogen, halogen or phenyl; which are potent mGluR5 modulators and are e.g. useful for the treatment of various neurological disorders.
6-halo-pyrazolo[1,5-a]pyridines, a process for their preparation and their use as metabotropic glutamate receptor (mGluR) modulators
申请人:Merz Pharma GmbH & Co. KGaA
公开号:EP2090576A1
公开(公告)日:2009-08-19
The invention relates to 6-halo-pyrazolo[1,5-a]pyridines of formula (I) as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are mGluR5 modulators and are therefore useful for the control and prevention of acute and/or chronic neurological disorders.
wherein A represents -NR3R4
with R3 and R4 as described herein.