The present invention provides novel pyrimidine amines 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 and rheumatoid arthritis.
The invention provides certain substituted pyridines of the Formula (I) or pharmaceutically acceptable salts thereof, wherein R
1
, R
2
, R
3
, R
4
, R
cy
, C
y
, and t are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk) kinase.
The present invention provides novel pyrimidine amines 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 and rheumatoid arthritis.
Compounds of formula I:
or salts thereof are disclosed. Also disclosed are pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I and therapeutic methods for treating a Retroviridae viral infection including an infection caused by the HIV virus.