PYRAZOLOPYRIMIDINE JAK INHIBITOR COMPOUNDS AND METHODS
申请人:Gibbons Paul
公开号:US20120190665A1
公开(公告)日:2012-07-26
A compound of Formula I, enantiomers, diasteriomers, tautomers or pharmaceutically acceptable salts thereof, wherein R
1
, R
2
and R
3
are defined herein, are useful as inhibitors of one or more Janus kinases. A pharmaceutical composition that includes a compound of Formula I and a pharmaceutically acceptable carrier, adjuvant or vehicle, and methods of treating or lessening the severity of a disease or condition responsive to the inhibition of a Janus kinase activity in a patient are disclosed.
The present invention provides novel pyrazole derivatives of formula I which are potent inhibitors of spleen tyrosine kinase, and are useful in the treatment and prevention of diseases mediated by said enzyme, such as asthma, COPD, rheumatoid arthritis, and cancer.