Morosova a , Valery E. Tarabanko*a,b , and Alexander А. <...> Kondrasenkoa Institute of Chemistry and Chemical Technology SB RAS FRC “Krasnoyarsk Science Center SB RAS” 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia b Siberian Federal University 79 Svobodny, Krasnoyarsk, 660041, Russia Received 12.01.2016, received in revised form 26.03.2016, accepted 09.05.2016 A possibility of the furfural diethyl acetal preparation by direct interaction of the aldehyde and a slight excess of ethanol with high selectivity and preparative yield of 70 % was demonstrated. <...> To shift the acetalization equilibrium the water vapour was absorbed by calcium oxide from gas phase. <...> The acetalization process suggested is accelerated by the acid catalysts. <...> All rights reserved * Corresponding author E-mail address: veta@icct.ru # 146 # Mikhail Yu. <...> Chernyak, Valery E. Tarabanko… Preparative Synthesis of Furfural Diethyl Acetal Through… Препаративный синтез диэтилацеталя фурфурола прямым взаимодействием спирта и альдегида М. <...> Introduction A main way to reduce dependence from hydrocarbons derived from crude oil and to improve the characteristics of the fuel for gasoline (diesel) engines is to apply biomass-derived oxygenated compounds. <...> Ethers are widely used as the fuel components. <...> Methyl tert-butyl ether (MTBE), tert-amyl methyl ether (TAME) and more ecologically benign ethyl tert-butyl ether (ETBE), are important oxygenated compounds used at the commercial scale [1]. <...> Acetals and ketals, which may refer as ethers, are also often used as an important oxygenates [2], which boost the cetane number of diesel fuel and reduce toxic exhaust emissions [3]. <...> Furfural derivatives, 2-methylfuran, furfuryl alcohol, and its ethers have high octane numbers (ON) and they are suitable compounds for blending gasoline [4, 5]. <...> Alkyl furfuryl ethers can be obtained by the alcohol etherification of furfuryl alcohol in the presence of acid catalysts. <...> Thus, when the reaction was performed in dilute acids or by the heterogeneous catalysts the selectivity reached only approximately 30-50 % at different conversions [6]. <...> The formation of alkyl furfuryl ethers was accompanied by producing heavy byproducts. # 147 # Сибирский федеральный университет Mikhail Yu. <...> Chernyak, Valery E. Tarabanko <...>