Novel benzimidazole and benzothiazole derivatives, method for preparing same, use thereof as drugs, pharmaceutical compositions and novel use in particular as C-Met inhibitors

The invention concerns novel products of formula (I), wherein: A represents NH or S; R1, R2 and R3 represent H, NH2, Hal or Alk, one at least of R1, R2 and R3 being other than hydrogen; R represents in particular: cycloalkyl, alkyl, alkoxy or NR4R5, R4 representing H or Alk and R5 representing cycloalkyl or alkyl optionally substituted by hydroxyl, alkoxy, heteroaryl, heterocycloalkyl, NR6R7, phenyl, phenyl-NR6R7 and CONR6R7, R6 and R7 representing H or Alk or phenyl and R6 and R7 may form together with H a cyclic radical; R4 and R5 may also form together with N a cyclic radical; all the above heterocycloalkyl, heteroaryl and phenyl radicals being optionally substituted, said products being in all the isomeric forms and their salts, as medicines in particular as Met inhibitors.