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Furfural is used to make other furan derivatives, such as furoic acid, via oxidation, [30] and furan itself via palladium catalyzed vapor phase decarbonylation. [ 4 ] There is a good market for value added chemicals that can be obtained from furfural.
Of these the most important is 2,5-furandicarboxylic acid, which has been proposed as a replacement for terephthalic acid in the production of polyesters. [20] [21] HMF can be converted to 2,5-dimethylfuran (DMF), a liquid that is a potential biofuel with a greater energy content than bioethanol. Hydrogenation of HMF gives 2,5-bis(hydroxymethyl ...
2-Furoic acid is an organic compound, consisting of a furan ring and a carboxylic acid side-group. Along with other furans, its name is derived from the Latin word furfur , meaning bran, from which these compounds were first produced. [ 2 ]
Methoxymethylfurfural (MMF or 5-methoxymethylfuran-2-carbaldehyde) is an organic compound derived from dehydration of sugars and subsequent etherification with methanol. [1] This colorless liquid is soluble in a wide range of solvents including lower alcohols.
The name "furan" comes from the Latin furfur, which means bran [5] (furfural is produced from bran). The first furan derivative to be described was 2-furoic acid, by Carl Wilhelm Scheele in 1780. Another important derivative, furfural, was reported by Johann Wolfgang Döbereiner in 1831 and characterised nine years later by John Stenhouse.
3-Bromofuran was obtained in minor amounts in 1887 as a by-product in a reaction of 3-bromofuroic acid with calcium hydroxide. [2] Four decades later, it was prepared deliberately and in higher yield. [1] 3-bromofuran has since also been prepared from 3,4-dibromofuran via ortho-metalation with butyllithium [clarification needed] in good yield. [3]
2,5-Furandicarboxaldehyde is an oxidation product of 5-hydroxymethyl furfural (HMF), which in turn can be prepared from fructose.Alternatively, methods have been developed to convert fructose in one step to 2,5-furandicarboxaldehyde. [1]
Furfuryl alcohol is an organic compound containing a furan substituted with a hydroxymethyl group. It is a colorless liquid, but aged samples appear amber. It is a colorless liquid, but aged samples appear amber.