cas 53821-66-2|| where to buy 3,4-Di-O-acetyl-1,2-O-isopropylidene-5-O-p-toluenesulfonyl-a-L-sorbopyranose

Название продукции:3,4-Di-O-acetyl-1,2-O-isopropylidene-5-O-p-toluenesulfonyl-a-L-sorbopyranose

IUPAC Name:(5S,8S,9S,10S)-9-(acetyloxy)-2,2-dimethyl-8-[(4-methylbenzenesulfonyl)oxy]-1,3,6-trioxaspiro[4.5]decan-10-yl acetate

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: Номер CAS:53821-66-2; Молекулярная формула:C20H26O10S; Точка плавления:-; Smiles-код:CC(=O)O[C@@H]1[C@H](CO[C@]2(COC(C)(C)O2)[C@H]1OC(C)=O)OS(=O)(=O)C1=CC=C(C)C=C1; Плотность:

: Номер в каталоге:CM410351; Молекулярная масса:458.48; Точка кипения:; Номер Mdl:; Хранение:

: Dioxolanes; Dioxolane is a heterocyclic acetal with the formula (CH2)2O2CH2. It is related to tetrahydrofuran by exchanging an oxygen for the CH2 group. The isomer 1,2-dioxolane (in which the two oxygen centers are adjacent) is a peroxide. 1,3-Dioxolane is used as solvent and comonomer in polyacetal. The dioxolane-type and their hydrogenolysis can provide very valuable partially protected building blocks either for oligosaccharide syntheses or sugar transformations.

: Tetrahydropyrans; Tetrahydropyran is an organic compound consisting of a saturated six-membered ring containing five carbon atoms and one oxygen atom. Tetrahydropyrans are common structural motifs in natural products and synthetic therapeutic molecules. In nature, these six-membered oxygen heterocycles are usually assembled by intramolecular reactions, including oxygen Michael addition or ring opening of epoxy alcohols. In fact, polyether natural products have been particularly extensively studied for their fascinating structures and important biological properties; these are often formed through endoselective epoxy open cascades.