Compound of the formula (I) ** (See formula) ** in which R 1 represents alkyl- (C 5 1-C 6) which may be mono to trisubstituted with the same or different radicals selected from the fluorine series, trifluoromethyl, oxo, hydroxyl, methoxy, ethoxy, cycloalkyl- (C3-C6) and phenyl, wherein cycloalkyl- (C3-C6) can be substituted up to twice with the same or different radicals selected from the series of fluorine, methyl, trifluoromethyl, ethyl and hydroxyl and wherein phenyl can be substituted up to twice with the same or different radicals selected from the series of fluorine, chlorine, cyano, methyl, difluoromethyl, trifluoromethyl, ethyl, hydroxy, methoxy, trifluoromethoxy, ethoxy, hydroxycarbonyl, methoxycarbonyl, ethoxycarbonyl and aminocarbonyl, or represents alkenyl- (C2-C6) or represents cycloalkyl- (C3-C6) that may be mono or disubstituted with the same or different radicals selected from the fluorine, methyl, trifluoromethyl, ethyl and hydroxyl series, Ar1 represents phenyl or thienyl, each of which may be mono or disubstituted with the same or different radicals selected from the series of fluorine, chlorine, cyano, methyl, trifluoromethyl, ethyl, hydroxy, methoxy, trifluoromethoxy and ethoxy, L1 represents the group -CH2 - or -SO2-, Q represents a 5-membered heteroaryl ring having up to three heteroatoms in the N, O and / or S series ring or a 6-membered heteroaryl ring having up to two nitrogen atoms in the ring or represents an optionally substituted phenyl ring of formula ** (See formula) ** ...Compuesto de la fórmula (I) **(Ver fórmula)** en la que R1 representa alquilo-(C 5 1-C6) que puede estar de mono a trisustituido con radicales iguales o diferentes seleccionados de la serie de flúor, trifluorometilo, oxo, hidroxilo, metoxi, etoxi, cicloalquilo-(C3-C6) y fenilo, en donde cicloalquilo-(C3-C6) puede estar sustituido hasta dos veces con radicales iguales o diferentes seleccionados de la serie de flúor, metilo, trifluorometilo, etilo e hidroxilo y en don