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Pyranose
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Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pyranose is a collective term for carbohydrates which have a chemical structure that includes a six-membered ring consisting of five carbon atoms and one oxygen atom. The name derives from its similarity to the oxygen heterocycle pyran. A pyranose in which the anomeric OH at C(l) has been converted into an OR group is called a pyranoside.(Unlike a pyranoside, furanosides are five-membered acetals). The pyranose ring is formed by the reaction of the hydroxyl group on carbon 5 (C-5) of a sugar with the aldehyde at carbon 1. This forms an intramolecular hemiacetal. If reaction is between the C-4 hydroxyl and the aldehyde, a furanose is formed instead. The pyranose form is thermodynamically more stable than the furanose form, which can be seen by the distribution of these two cyclic forms in solution.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130966829
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Genre Chemie
- Größe H220mm x B220mm
- EAN 9786130966829
- Format Fachbuch
- Titel Pyranose
- Herausgeber Betascript Publishing
- Anzahl Seiten 108
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