Disclosed in the present invention is a process for preparing 1-chloro-2- (1-chlorocyclopropyl) -3- (2-chlorophenyl) propan-2-ol (compound of formula (i)) and 2- (1-chlorocyclopropyl) -2 - [(2-chlorophenyl) methyl] oxirane (compound of formula (ii)).é revelado na presente invenção um processo de preparação de 1-cloro-2-(1-clorociclopropil)-3-(2-clorofenil)propan-2-ol (composto da fórmula (i)) e 2-(1-clorociclopropil)-2-[(2-clorofenil)metil]oxirano (composto da fórmula (ii)).