Introduction：Basic information about 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol CAS 1707-77-3, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol Basic information
| Product Name: | 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol |
| Synonyms: | DIACETONE-D-MAN;DIACETONE-D-MANNITOL;D-MANNITOL DIACETONIDE;1,2:5,6-ISOPROPYLIDENE-D-MANNITOL;1,2,5,6-DI-O-ISOPROPYLIDENE-D-MANNITOL;1,2:5,6-DI-O-ISOPROPYLIDENE-D-MANNITOL;1,2:5,6-bis-o-(1-methylethylidene)-d-mannitol;1,2:5,6-BIS-O-(1-METHYLETHYLIDENE)-D-MARNITOL |
| CAS: | 1707-77-3 |
| MF: | C12H22O6 |
| MW: | 262.3 |
| EINECS: | 216-954-8 |
| Product Categories: | Liver Disease Series;Chiral Reagents;Intermediates & Fine Chemicals;Pharmaceuticals;Carbohydrates;Biochemistry;Dioxanes & Dioxolanes;Dioxolanes;O-Substituted Sugars;Sugar Alcohols;Sugars;Glycon Biochem |
| Mol File: | 1707-77-3.mol |
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1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol Chemical Properties
| Melting point | 120-122 °C(lit.) |
| alpha | 6 º (c=5, Chloroform) |
| Boiling point | 382.0±32.0 °C(Predicted) |
| density | 1.175±0.06 g/cm3(Predicted) |
| refractive index | 6.5 ° (C=8, CHCl3) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | methanol: 100 mg/mL, clear, colorless |
| pka | 12.98±0.20(Predicted) |
| form | Crystalline Powder |
| color | White |
| Optical Rotation | [α]/D +6.0±1.0°, c = 5 in chloroform |
| BRN | 83765 |
| InChI | 1S/C12H22O6/c1-11(2)15-5-7(17-11)9(13)10(14)8-6-16-12(3,4)18-8/h7-10,13-14H,5-6H2,1-4H3/t7-,8-,9-,10-/m1/s1 |
| InChIKey | ODYBCPSCYHAGHA-ZYUZMQFOSA-N |
| SMILES | CC1(C)OC[C@@H](O1)[C@@H](O)[C@H](O)[C@H]2COC(C)(C)O2 |
| CAS DataBase Reference | 1707-77-3(CAS DataBase Reference) |
| NIST Chemistry Reference | D-Mannitol, 1,2:5,6-bis-o-(1-methylethylidene)-(1707-77-3) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25-36/37-26 |
| WGK Germany | 3 |
| F | 10-21 |
| HS Code | 29329990 |
| Storage Class | 11 - Combustible Solids |
1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol Usage And Synthesis
| Chemical Properties | White Solid |
| Uses | Nebivolol intermediate. |
| Purification Methods | Although quite soluble in H2O, it gives a purer product when crystallised from this solvent, forming needles [Baer J Am Chem Soc 67 338 1945, NMR: Curtis et al. J Chem Soc, Perkin Trans 1 1756 1977]. [Beilstein 19/11 V 589.] |
1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol Preparation Products And Raw materials
| Raw materials | D-Mannitol, 1,2:5,6-bis-O-(1-methylethylidene)-, diacetate (9CI)-->2-Methoxypropene-->Acetone-->2,2-Dimethoxypropane-->D-Mannitol |
| Preparation Products | (R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol-->(S)-(+)-(2,2-DIMETHYL-[1,3]-DIOXOLAN-4-YL)-METHYLAMINE-->(S)-4-BENZYLOXYMETHYL-2,2-DIMETHYL-1,3-DIOXOLANE-->D-Glyceraldehyde-->(S)-4,5-ISOPROPYLIDENE-2-PENTENYLBROMIDE |
