3-O-Benzyl-1,2:5,6-di-O-isopropylidene-a-D-allofuranose
Synonyms: 1,2:5,6-di-O-isopropylidene-3-O-benzyl-α-D-allofuranose；
Molecular Formula: C19H26O6
Molecular Weight: 350.41
CAS Number：22331-21-1
Molecular Structure:
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|
Item |
Specification |
|
Appearance |
White to off-white crystalline powder |
|
Assay (GC),% |
≥98.0 |
|
Melting Point, ℃ |
62.0~69.0 |
|
Specific rotation,(C=1,CHCl3) |
+106.0~ +111.0° |
|
Loss on drying,% |
≤0.5 |
|
Residue on ignition,% |
≤0.10 |
Characteristics: It is white to off-white crystalline powder. It is easily soluble in cyclohexane and very slightly soluble in water.
Uses：
3-O-Benzyl-1,2:5,6-di-O-isopropylidene-a-D-allofuranose is used in the synthesis of complex carbohydrates or as a sugar substitute，such as 4-C-cyclopropyl-D-ribo-tetrofuranose derivatives、5,6-dideoxy-3-O-methyl-5-C-(phenylphosphinyl)-D-glucopyranose、aristeromycin from D-glucose and so on.
Storage: Store in a tightly closed container. Maintain in a cool and dry area.
Package: 25kg/drum or as required by customer.
Expiration Date: 2 years
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