The present Invention Provides New pyrimidine amides of formula (i) that are potent inhibitors of Spleen Tyrosine Kinase and are useful in the treatment and Prevention of diseases mediated by the Enzyme, such as rheumatoid arthritis, Asthma, COPD and 5.La presente invención proporciona nuevas pirimidina amidas de fórmula (I) que son potentes inhibidores de la tirosina quinasa del bazo y son útiles en el tratamiento y prevención de enfermedades mediadas por dicha enzima, tales como asma, COPD y artritis 5 reumatoide.