Pyrazole ether derivatives as anti-inflammatory/analgesic agents
申请人:——
公开号:US20020058681A1
公开(公告)日:2002-05-16
The present invention relates to compounds of the formula
1
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, R
8
, A, X and Y are defined as in the specification, to pharmaceutical compositions containing them and to their medicinal use. The compounds of the invention are useful in the treatment or alleviation of inflammation and other inflammation associated disorders, such as arthritis, colon cancer, and Alzheimer's disease in mammals, preferably humans, dogs, cats and livestock animals.
Efficient synthesis of 5-alkyl amino and thioether substituted pyrazoles
作者:Subas M Sakya、Bryson Rast
DOI:10.1016/j.tetlet.2003.08.054
日期:2003.10
substitution reactions of 1-(4-methylsulfonyl-2-pyridyl)-5-chloro pyrazoles with various substitutions at the 4 position with amine nucleophiles and thiols occur under mild conditions to provide the 5-alkyl amino and thioether pyrazoles in high yields.