Heterocyclic alkanol derivatives of the formula (I) ** Formula ** in which X represents O or S, Y represents O, -CH2- or a direct bond, M represents 0 or 1, N represents 0 or 1, R represents tert-butyl, isopropyl, 1-chlorcyclopropyl, 1-fluorcyclopropyl, 1-methylcyclopropyl, 1-methoxycyclopropyl, 1-methylthiocyclopropyl, 1-trifluoromethylcyclopropyl, (3E) -4-chlor-2-methylbut-3-en-2-yl, C1-C4 haloalkyl, R1 represents hydrogen, SH, alkylthio, alkoxy, halogen, haloalkyl, haloalkylthio, haloalkoxy, cyano, nitro or Si (alkyl) 3, A represents in each case phenyl substituted with Z, both substituents Z being the same or different , Z represents fluorine, chlorine, bromine, iodine, cyano, nitro, CH (>； = NOMe), cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, methyl, ethyl, n-propyl, isopropyl, n-, i-, s- or t -butyl, trifluoromethyl, trichloromethyl, difluoromethyl, dichloromethyl, difluorochloromethyl, methoxy, trifluoromethoxy, difluoromethoxy, methylthio, trifluoromethylthio, or difluoromethylthio, as well as its agrochemically active salts.Derivados de alcanol heterocíclicos de la fórmula (I)**Fórmula** en la que X representa O o S, Y representa O, -CH2- o un enlace directo, M representa 0 o 1, N representa 0 o 1, R representa terc-butilo, isopropilo, 1-clorciclopropilo, 1-fluorciclopropilo, 1-metilciclopropilo, 1-metoxiciclopropilo, 1-metiltiociclopropilo, 1-trifluormetilciclopropilo, (3E)-4-clor-2-metilbut-3-en-2-ilo, haloalquilo C1-C4, R1 representa hidrógeno, SH, alquiltio, alcoxi, halógeno, haloalquilo, haloalquiltio, haloalcoxi, ciano, nitro o Si(alquilo)3, A representa en cada caso fenilo bisustituido con Z, siendo ambos sustituyentes Z iguales o diferentes, Z representa flúor, cloro, bromo, yodo, ciano, nitro, CH(>；=NOMe), ciclopropilo, ciclobutilo, ciclopentilo, ciclohexilo, metilo, etilo, n-propilo, isopropilo, n-, i-, s- o t-butilo, trifluorometilo, triclorometilo, difluorometilo, diclorometilo, difluoroclorometilo, metoxi, trifluorometoxi, difluorometo
