Glucal is the

glycal Glycal is a name for cyclic enol ether derivatives of sugars having a double bond between carbon atoms 1 and 2 of the ring. The term “glycal” should not be used for an unsaturated sugar that has a double bond in any position other than between ...

formed from

glucose Glucose is a simple sugar with the molecular formula . Glucose is overall the most abundant monosaccharide, a subcategory of carbohydrates. Glucose is mainly made by plants and most algae during photosynthesis from water and carbon dioxide, using ...

. It is a chemical intermediate in the synthesis of a variety of

oligosaccharide An oligosaccharide (/ˌɑlɪgoʊˈsækəˌɹaɪd/; from the Greek ὀλίγος ''olígos'', "a few", and σάκχαρ ''sácchar'', "sugar") is a saccharide polymer containing a small number (typically two to ten) of monosaccharides (simple sugar ...

s.Seeberger, P.H., et al. ''Aldrichimica Acta'' 30, 75, (1997) Glucal and its derivatives can be converted to other chemically useful sugars using the

Ferrier rearrangement The Ferrier rearrangement is an organic reaction that involves a nucleophilic substitution reaction combined with an allylic shift in a glycal (a 2,3- unsaturated glycoside). It was discovered by the carbohydrate chemist Robert J. Ferrier. Me ...

References

Monosaccharides Oxygen heterocycles Heterocyclic compounds with 1 ring {{organic-compound-stub