Referring to a Heterocyclic Compound of formula (iv), where R1 is alkyl C8 alquenilo C1 - C2, C8, alquinilo C2 C8 is Halogen, among others R2, R3, R4 and R5 are h, halogen, N3, CN, NO2, among others n is 0 to 2 R7 is H C (= o) (or S) R11, R11, among others R8 is Halogen, N (R11) or11, N3, among other S R9 is H, halogen, no, NO2, among others R11 is H, alkyl C8 alquenilo C1 - C2, C8, among others.Preferred compounds are: (a), (b), (c), among others. It also relates to a Pharmaceutical composition. These compounds are inhibitors of RNA dependent rna polymerase of hepatitis C virusREFERIDA A UN COMPUESTO HETEROCICLICO DE FORMULA (IV), DONDE R1 ES ALQUILO C1-C8, ALQUENILO C2-C8, ALQUINILO C2-C8, ENTRE OTROS R2 ES HALOGENO R3, R4 Y R5 SON H, HALOGENO, N3, CN, NO2, ENTRE OTROS n ES 0 A 2 R7 ES H, C(=O)R11, S(O)R11, ENTRE OTROS R8 ES HALOGENO, N(R11)OR11, N3, NO, ENTRE OTROS R9 ES H, HALOGENO, NO, NO2, ENTRE OTROS R11 ES H, ALQUILO C1-C8, ALQUENILO C2-C8, ENTRE OTROS. SON COMPUESTOS PREFERIDOS: (a), (b), (c), ENTRE OTROS. TAMBIEN ESTA REFERIDA A UNA COMPOSICION FARMACEUTICA. DICHOS COMPUESTOS SON INHIBIDORES DE LA ARN POLIMERASA DEPENDIENTE DE ARN DEL VIRUS DE LA HEPATITIS C
