Ethyl 4-pyridylacetate is an ethyl ester of 4-pyridyl acetic acid. Its hydrochloride salt was used to prepare the starting material required for the synthesis of 2,2-dideutero-1-azabicyclo(2,2,2)-octane. It participates as a reagent in the synthesis of triarylethane phosphodiesterase 4 inhibitors Ethyl 4-pyridylacetate is a pyridine-based compound used for the grafting onto the self-adhesive gold substrates. It may be used for the the following: As a starting material in the synthesis of 4-piperidylethanol. As a reactant in the synthesis of 4-(pyridyl) isosteres of meperidine. As a starting material in the synthesis of ethyl-4-piperidylacetate.