5,6-Di-O-isopropylidene-a-D-allofuranose
1,2:5,6-Di-O-isopropylidene-alpha-D-allofuranose
CAS: 2595-05-3
Molecular Formula: C12H20O6
5,6-Di-O-isopropylidene-a-D-allofuranose - Names and Identifiers
| Name | 1,2:5,6-Di-O-isopropylidene-alpha-D-allofuranose |
| Synonyms | 1,2 Diacetone-D-allofuranose 5,6-Di-O-isopropylidene-a-D-allofuranose (3aR,5S,6R,6aR)-5-(2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[4,5-d][1,3]dioxol-6-ol (3aR,5S,6R,6aR)-5-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-ol (non-preferred name) |
| CAS | 2595-05-3 |
| InChI | InChI=1/C12H20O6/c1-11(2)14-5-6(16-11)8-7(13)9-10(15-8)18-12(3,4)17-9/h6-10,13H,5H2,1-4H3/t6-,7-,8-,9-,10-/m1/s1 |
| InChIKey | KEJGAYKWRDILTF-BHRXDNSCSA-N |
5,6-Di-O-isopropylidene-a-D-allofuranose - Physico-chemical Properties
| Molecular Formula | C12H20O6 |
| Molar Mass | 260.28 |
| Density | 1.2377 (rough estimate) |
| Melting Point | 73-76°C(lit.) |
| Boling Point | 363.54°C (rough estimate) |
| Specific Rotation(α) | 37.5 º (c=1,chloroform) |
| Flash Point | 173.2°C |
| Solubility | almost transparency in Toluene |
| Vapor Presure | 9.94E-07mmHg at 25°C |
| Appearance | White crystal |
| Color | White to off-white |
| pKa | 13.15±0.60(Predicted) |
| Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
| Stability | Acid Sensitive |
| Refractive Index | 36.5 ° (C=1, CHCl3) |
| MDL | MFCD00135634 |
| Physical and Chemical Properties | alpha:37.5 o (c=1,chloroform) |
5,6-Di-O-isopropylidene-a-D-allofuranose - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 21 |
| HS Code | 29400090 |
5,6-Di-O-isopropylidene-a-D-allofuranose - Introduction
1,2:5, (1,2:5,) is an organic compound with the following properties:
1. Appearance: Pure product is white crystalline solid.
2. Molecular formula: C11H18O6
3. Molecular weight: 258.25g/mol
The main use of this compound is as an intermediate in the synthesis of saccharide compounds. It is often used in sugar chemistry to protect the hydroxyl group from undesired reactions in the reaction.
The preparation method of 1,2:5 is as follows:
α-D-isofuranose is reacted with isopropyl Aluminum Bromide (AlBr(i-Pr)2) in a suitable solvent to generate the target product.
1. Appearance: Pure product is white crystalline solid.
2. Molecular formula: C11H18O6
3. Molecular weight: 258.25g/mol
The main use of this compound is as an intermediate in the synthesis of saccharide compounds. It is often used in sugar chemistry to protect the hydroxyl group from undesired reactions in the reaction.
The preparation method of 1,2:5 is as follows:
α-D-isofuranose is reacted with isopropyl Aluminum Bromide (AlBr(i-Pr)2) in a suitable solvent to generate the target product.
Last Update：2024-04-10 22:29:15
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Product Name: 1,2:5,6-Di-O-isopropylidene-α-D-allofuranose Visit Supplier Webpage Request for quotationCAS: 2595-05-3
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Mobile: 18021002903
QQ: 3008007409
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