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  2. Haworth projection - Wikipedia

    en.wikipedia.org/wiki/Haworth_projection

    In chemistry, a Haworth projection is a common way of writing a structural formula to represent the cyclic structure of monosaccharides with a simple three-dimensional perspective. Haworth projection approximate the shapes of the actual molecules better for furanoses —which are in reality nearly planar—than for pyranoses that exist in ...

  3. Monosaccharide - Wikipedia

    en.wikipedia.org/wiki/Monosaccharide

    The stereochemical structure of a cyclic monosaccharide can be represented in a Haworth projection. In this diagram, the α-isomer for the pyranose form of a D -aldohexose has the −OH of the anomeric carbon below the plane of the carbon atoms, while the β-isomer has the −OH of the anomeric carbon above the plane.

  4. Carbohydrate conformation - Wikipedia

    en.wikipedia.org/wiki/Carbohydrate_conformation

    In solution, reducing monosaccharides exist in equilibrium between their acyclic and cyclic forms with less than 1% in the acyclic form. The open chain form can close to give the pyranose and furanose with both the α- and β-anomers present for each. The equilibrium population of conformers depends on their relative energies which can be ...

  5. Hexose - Wikipedia

    en.wikipedia.org/wiki/Hexose

    The conventional numbering of the carbons in the closed form is the same as in the open-chain form. If the sugar is an aldohexose, with the carbonyl in position 1, the reaction may involve the hydroxyl on carbon 4 or carbon 5, creating a hemiacetal with five- or six-membered ring, respectively.

  6. Norman Haworth - Wikipedia

    en.wikipedia.org/wiki/Norman_Haworth

    Sir Walter Norman Haworth FRS [1] (19 March 1883 [2] – 19 March 1950) was a British chemist best known for his groundbreaking work on ascorbic acid while working at the University of Birmingham. He received the 1937 Nobel Prize in Chemistry "for his investigations on carbohydrates and vitamin C".

  7. Anomer - Wikipedia

    en.wikipedia.org/wiki/Anomer

    However, in order for anomers to exist, the sugar must be in its cyclic form, since in open-chain form, the anomeric carbon atom is planar and thus achiral. More formally stated, then, an anomer is an epimer at the hemiacetal/hemiketal carbon atom in a cyclic saccharide. [1] Anomerization is the process of conversion of one anomer to the other.

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  9. File:Alpha-D-Fructofuranose.svg - Wikipedia

    en.wikipedia.org/wiki/File:Alpha-D...

    Download QR code; In other projects ... Simple English: Fructose, a monosaccharide, as a Haworth projection. SlovenĨina: ... Haworth projection of Alpha-D ...

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