7-Alkyl- and 7-Cycloalkyl-5-aryl-pyrrolo[2,3-d]pyrimidines—potent inhibitors of the tyrosine kinase c-Src

7-Substituted-5-aryl-pyrrolo[2,3-d]pyrimidines have been prepared starting from α-bromoacetophenones. These compounds represent a novel class of potent inhibitors of the tyrosine kinase pp60c-Src with good specificity towards other tyrosine kinases (EGF-R, v-Abl).