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CAS No. : | 10323-20-3 | MDL No. : | MFCD00135608 |
Formula : | C5H10O5 | Boiling Point : | - |
Linear Structure Formula : | HC(O)CH(OH)CH(OH)CH(OH)CH2OH | InChI Key : | PYMYPHUHKUWMLA-WDCZJNDASA-N |
M.W : | 150.13 | Pubchem ID : | 66308 |
Synonyms : |
D-(–)-Arabinose;D-Arabinose
|
Chemical Name : | (2S,3R,4R)-2,3,4,5-Tetrahydroxypentanal |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With acetic acid; In ethanol; for 10.0h;Reflux; | General procedure: To solution of 4 (10 mmol) in absolute ethanol, different sugars (10 mmol) were added and then glacial acetic acid (1 ml) was added to the reaction mixture which was refluxed for 10h (TLC).The solvent was evaporated or concentrated under reduced pressure and the product was filtered off to afford 5(a-d) (83 - 88%) yields. L-(-)-Arabinose(2-mercaptobenzimidazole-1-1-yl) acetohydrazide (5a)Yellow powder (83%), m.p.182-184 C. Rf= 0.65 (5% MeOH in CH2Cl2), 1H NMR (DMSO-d6):δ = 3.12-3.85 (m, 5H, H-22, H-32, H-42, H-52, H-522), 2.75 (brs, 1H, OH), 3.52-3.61 (brs, 3H, 3xOH),4.05 (s, 2H, CH2), 4.95 (brs, 1H, NH), 6.95-7.32 (m,4H, Ar-H), 7.40 (brs, 1H, NH), 7.55 (s, 1H, CH). |