DIAZINOPYRIMIDINES AND PHARMACEUTICAL COMPOSITION CONTAINING THEM

FIELD: chemistry. ^ SUBSTANCE: novel chemical compounds of formula (I) or their pharmaceutically acceptable salts possess inhibiting activity with respect to kinase p-38 MAP and kinase FGFR, and can be used in treatment of such diseases as arthritis, obstructive lung disease, Alzheimer's disease or oncological and other diseases. In general formula (I) , R1 is hydrogen, R2 is 6-member oxygen-containing heterocyclyl, aryl, selected from unsubstituted phenyl or phenyl substituted with aliphatic acyl group which contains 1-6 carbon atoms, halogen cyano, hydroxyl, C1-6alkylsulfinyl, C1-6alkylsulfonyloxy, C1-6alkylsulfonyl, C1-6alkylsulfanyl, tret-butydimethylsilanyloxy, 6-member heterocyclyl, containing 1-2-heteroatoms, selected from nitrogen and oxygen, R3 is C1-6alkyl, Ar1 is phenyl, substituted with 1-2 substituents, selected from atoms of halogen, C1-6alkyl, C1-6alkoxy, C1-6alkylamino, di(C1-6alkyl)amino, X1 is oxygen and X2 is chemical bond. ^ EFFECT: efficient application of invention compounds in pharmaceutical composition. ^ 13 cl, 1 tbl, 64 ex