Ribulose
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Names | |||
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IUPAC name
(3R,4R)-1,3,4,5-Tetrahydroxypentan-2-one | |||
Other names
D-erythro-2-Pentulose Adonose Arabinulose Araboketose Ribosone | |||
Identifiers | |||
488-84-6 (D) 2042027-5 (L) 5556-48-9 (DL) | |||
3D model (Jmol) | (D): Interactive image (L): Interactive image | ||
ChEBI | CHEBI:28721 | ||
ChemSpider | 133316 | ||
ECHA InfoCard | 100.006.989 | ||
PubChem | 151261 | ||
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Properties | |||
C5H10O5 | |||
Molar mass | 150.13 g·mol−1 | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
verify (what is ?) | |||
Infobox references | |||
Ribulose is a ketopentose — a monosaccharide containing five carbon atoms, and including a ketone functional group. It has chemical formula C5H10O5. Two enantiomers are possible, D-ribulose (D-erythro-pentulose) and L-ribulose (L-erythro-pentulose). D-Ribulose is the diastereomer of D-xylulose.
Ribulose sugars are composed in the pentose phosphate pathway. They are important in the formation of many bioactive substances. For example, D-ribulose is an intermediate in the fungal pathway for D-arabitol production. Also, as the 1,5-bisphosphate, D-ribulose combines with carbon dioxide at the start of the photosynthesis process in green plants (carbon dioxide trap).
References
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