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Encyclopedia > Pyranose
Glucose in its alpha-D-glucopyranose form
Glucose in its alpha-D-glucopyranose form

Pyranose is a collective term for carbohydrates which have a chemical structure that includes a six-membered ring consisting of five carbons and one oxygen. The pyranose ring is formed by the reaction of the C-5 alcohol group of a sugar with its C-1 aldehyde forming an intramolecular hemiacetal. The name derives from its similarity to the oxygen heterocycle pyran. Image File history File links Glucose. ... Image File history File links Glucose. ... Carbohydrates are chemical compounds that contain oxygen, hydrogen, and carbon atoms. ... In chemistry, an alcohol is any organic compound in which a hydroxyl group (-OH) is bound to a carbon atom, which in turn is bound to other hydrogen and/or carbon atoms. ... An aldehyde is either a functional group consisting of a terminal carbonyl group or a compound containing a terminal carbonyl group. ... A hemiacetal is a functional group or compound containing the function group in the form of: where R and R are any carbon backbones. ... In chemistry, a pyran is a six member aromatic heterocyclic ring with five carbons and one oxygen. ...


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