Abstract: An embodiment of the present invention provides a method of preparing 2,5-furandimethylcarboxylate (FDMC), including preparing 2,5-furandimethylcarboxylate (FDMC) by subjecting a reaction mixture including 5-hydroxymethylfurfural (HMF), air, and an alcohol solvent to oxidative esterification in the presence of a gold (Au)-nanoparticle-supported catalyst, in which the gold (Au)-nanoparticle-supported catalyst includes a support and gold (Au) nanoparticles supported on the support.

Abstract: The present invention relates to a carboxylation catalyst, which catalyzes carboxylation of a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof to prepare 2,5-furandicarboxylic acid (FDCA), and is configured as a spinel support, and noble metal nanoparticles incorporated into the spinel support selected from the group consisting of MnCo2O4, CoMn2O4, and combinations thereof, and to a method of preparing 2,5-furandicarboxylic acid (FDCA), including providing a carboxylation catalyst configured such that noble metal nanoparticles are incorporated into a spinel support; and carboxylating a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof in the presence of the carboxylation catalyst.

Abstract: An embodiment of the present invention provides a method of preparing 2,5-furandimethylcarboxylate (FDMC), including preparing 2,5-furandimethylcarboxylate (FDMC) by subjecting a reaction mixture including 5-hydroxymethylfurfural (HMF), air, and an alcohol solvent to oxidative esterification in the presence of a gold (Au)-nanoparticle-supported catalyst, in which the gold (Au)-nanoparticle-supported catalyst includes a support and gold (Au) nanoparticles supported on the support.

Abstract: The present invention relates to a catalyst for preparing 2,5-furandicarboxylic acid (FDCA), which is a catalyst for carboxylation of a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof and is configured such that noble metal nanoparticles are incorporated into a spinel-type support, and to a method of preparing 2,5-furandicarboxylic acid (FDCA), including carboxylating a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof in the presence of a catalyst configured such that noble metal nanoparticles are incorporated into a spinel-type support.

Abstract: The present invention relates to a method for preparing a curable bicyclic compound derived from biomass. The method includes preparing starting materials furan and methyl acrylate by preparing furan from hemicellulose extracted from biomass, and methyl acrylate from glycerol generated from biomass, preparing an intermediate compound comprising a bicycle and an alcohol functional group by reacting the furan and the methyl acrylate through a Diels-Alder reaction and consecutive reduction, and preparing a curable bicyclic compound that includes the bicycle and an epoxide functional group by reacting the intermediate compound and epichlorohydrin.

Abstract: Provided is a method for preparing 5-hydroxymethyl-2-furfural using an acid catalyst in the presence of an ethylene glycol-based solvent. The method for preparing the 5-hydroxymethyl-2-furfural involves using a linear or cyclic ethylene glycol-based compound as a solvent and producing the 5-hydroxymethyl-2-furfural from fructose, in the presence of the acid catalyst, thereby reducing the dependency on petroleum in response to greenhouse gas emission regulations. Also, a high yield of the 5-hydroxymethyl-2-furfural can be obtained from fructose, and the solvent and the catalyst can be efficiently separated, collected, and reused after a reaction has completed.

Abstract: Provided is a method for preparing levulinic acid using a solid acid catalyst in the presence of an ethylene glycol-based compound. The levulinic acid according to the present invention can be prepared by using a linear or cyclic ethylene glycol-based compound as a solvent and preparing the levulinic acid from fructose in the presence of the solid acid catalyst at a reaction temperature of 100 to 200° C., thereby reducing the dependency on petroleum in response to greenhouse gas emission regulations. Also, a high yield of levulinic acid can be obtained from fructose, and the solvent and the catalyst can be efficiently separated, collected, and reused after the reaction has completed.

Abstract: The present invention relates to a curable bicyclic compound derived from biomass, solvent-free curable composition and a method for preparing thereof. The curable compound derived from biomass according to the invention comprises a bicycle structure, to which one of two epoxide functional groups are bonded.

Abstract: The present invention relates to a curable bicyclic compound derived from biomass, solvent-free curable composition and a method for preparing thereof. The curable compound derived from biomass according to the invention comprises a bicycle structure, to which one of two epoxide functional groups are bonded.

Abstract: Provided is a method for preparing levulinic acid using a solid acid catalyst in the presence of an ethylene glycol-based compound. The levulinic acid according to the present invention can be prepared by using a linear or cyclic ethylene glycol-based compound as a solvent and preparing the levulinic acid from fructose in the presence of the solid acid catalyst at a reaction temperature of 100 to 200° C., thereby reducing the dependency on petroleum in response to greenhouse gas emission regulations. Also, a high yield of levulinic acid can be obtained from fructose, and the solvent and the catalyst can be efficiently separated, collected, and reused after the reaction has completed.

Abstract: Provided is a method for preparing 5-hydroxymethyl-2-furfural using an acid catalyst in the presence of an ethylene glycol-based solvent. The method for preparing the 5-hydroxymethyl-2-furfural involves using a linear or cyclic ethylene glycol-based compound as a solvent and producing the 5-hydroxymethyl-2-furfural from fructose, in the presence of the acid catalyst, thereby reducing the dependency on petroleum in response to greenhouse gas emission regulations. Also, a high yield of the 5-hydroxymethyl-2-furfural can be obtained from fructose, and the solvent and the catalyst can be efficiently separated, collected, and reused after a reaction has completed.

Abstract: The present invention relates to a method for preparing 5-acetoxymethylfurfural, comprising a step of synthesizing 5-acetoxymethylfurfural by reacting 5-halomethyl furfural with alkylammonium acetate. The present invention can provide a method for preparing 5-acetoxymethylfurfural which is economic and has high reaction efficiency even without using an additional base.

Abstract: The present disclosure relates to a method for preparing a disubstituted urea and carbamate compounds simultaneously through a one-pot reaction of an amine, carbon dioxide and an alkylene oxide compound in the presence of an ionic liquid-based complex catalyst system containing indium. In accordance with the present disclosure, a disubstituted urea and carbamate compounds can be prepared simultaneously at high yield. In addition, the ionic liquid-based catalyst containing indium according to the present disclosure is economical because it can be reused several times.

Abstract: The present disclosure relates to a method for preparing a disubstituted urea and carbamate compounds simultaneously through a one-pot reaction of an amine, carbon dioxide and an alkylene oxide compound in the presence of an ionic liquid-based complex catalyst system containing indium. In accordance with the present disclosure, a disubstituted urea and carbamate compounds can be prepared simultaneously at high yield. In addition, the ionic liquid-based catalyst containing indium according to the present disclosure is economical because it can be reused several times.

Abstract: The present invention relates to a method for producing a furan-based compound using an ion exchange resin in the presence of an organic solvent. In the method for producing a furan-based compound according to the present invention, a furan-based compound is made from an aldose-type hexose compound in the presence of an organic solvent by using an anion exchange resin and a cation exchange resin. Thus, the aldose-type hexose compound obtained from biomass by simultaneously or consecutively using the anion/cation exchange resins as catalysts can be made into 5-hydroxymethyl-2-furfural (HMF) or alkyl ether derivatives thereof such as 5-alkoxymethyl-2-furfural (AMF) without using an expensive reagent. Also, since the selection of an organic solvent is not limitative and a heterogeneous catalyst can be used, separation and purification is easy and chemically stable AMF can be directly obtained.

Abstract: Provided herein is a method for producing 5-hydroxymethyl-2-furfural (HMF) from maize syrup containing fructose including a conversion step in which a reaction product containing the 5-hydroxymethyl-2-furfural is produced by mixing and heating the maize syrup, a dioxane solvent and a solid acid catalyst, thus providing an advantage that the solvent can be easily isolated and the isolated solvent can be reused because dioxane is used as the solvent, and an advantage that the catalyst can be easily isolated and the isolated catalyst can be easily reused because a nonuniform solid acid catalyst is used.

Abstract: Provided herein is a photocurable dianhydrohexanehexol derivative, a method preparing the same, and a composition including the same, for example, to a photocurable compound derived from environmentally friendly biomass, the compound having a structure where a 2-hydroxypropyl methacrylate (HPM) functional group prepared by reacting a biomass derived dianhydrohexanehexol (1,4:3,6-dianhydro-d-hexane-1,2,3,4,5,6-hexol, DHH) compound under an optimal reaction condition is combined, a preparing method thereof, and a photocurable composition comprising the photocurable compound.

Abstract: The present invention relates to a furan-based curable compound derived from carbohydrate-based biomass, to a solvent-free curable composition, and to a method for preparing thereof, wherein the furan-based curable compound derived from biomass according to the present invention includes two epoxide functional groups bonded to at least one furan-based compound. The present invention may provide an environmentally friendly next-generation curable compound comprising a novel furan-based compound derived from biomass, which may be substituted for curable materials derived from oil resources, as a basic backbone, as well as a composition containing the same. According to the present invention, a curable material, which has a low contraction ratio during curing as compared to conventional radical-type curing materials, may be obtained, and a compound applied to the novel curing material may be prepared with a combination of excellent efficiency and cost-effectiveness.

Abstract: The present disclosure relates to a method for preparing a disubstituted urea and carbamate compounds simultaneously through a one-pot reaction of an amine, carbon dioxide and an alkylene oxide compound in the presence of an ionic liquid-based complex catalyst system containing indium. In accordance with the present disclosure, a disubstituted urea and carbamate compounds can be prepared simultaneously at high yield. In addition, the ionic liquid-based catalyst containing indium according to the present disclosure is economical because it can be reused several times.

Abstract: The present invention relates to a method for preparing 5-acetoxymethylfurfural, comprising a step of synthesizing 5-acetoxymethylfurfural by reacting 5-halomethyl furfural with alkylammonium acetate. The present invention can provide a method for preparing 5-acetoxymethylfurfural which is economic and has high reaction efficiency even without using an additional base.