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CasNo: 4288-93-1
MF: C14H18 O6
Quality Standard:
| Item | Specification |
| Appearance | White to off-white crystalline powder |
| Assay , % | ≥98.0 |
| Melting point, ℃ | 168.0-175.0 |
| Loss on drying, % | ≤1.0 |
| Residue on ignition, % | ≤0.10 |
Methyl-4, 6-benzylidene -α -D-galactopyranoside is a commonly used benzylidene protected carbohydrate derivative, usually as an intermediate, widely used in the synthesis of a variety of compounds.
The benzylidene acetal group is one of t...
The first known report on the fluoride c...
Multivalent carbohydrate-lectin interact...
The crystal structure of methyl β-d-mann...

methanol


D-Galactose


benzaldehyde


methyl 4,6-O-benzylidene-α-D-galactopyranoside


methyl beta-D-galactopyranoside
| Conditions | Yield |
|---|---|
|
methanol; D-Galactose; With acetyl chloride; at 75 ℃; for 3.5h;
benzaldehyde; With zinc(II) chloride; at 20 ℃; for 10h; Further stages.;
|
35% 6.3% |

benzaldehyde dimethyl acetal


Methyl mannoside


Methyl-4,6-O-(phenylmethylene)-β-D-mannopyranoside
| Conditions | Yield |
|---|---|
|
With toluene-4-sulfonic acid; In N,N-dimethyl-formamide; at 20 ℃; for 48h;
|
65% |
|
With toluene-4-sulfonic acid; In N,N-dimethyl-formamide; at 20 ℃;
|
61% |

methyl β-D-galactopyranoside

benzaldehyde dimethyl acetal

(2R,3S,4S,5S,6S)-2-(hydroxymethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triol

benzaldehyde

Methyl-4,5-O-benzyliden-2,3-carbonato-α-D-mannopyranosid

methyl 4,6-O-benzylidene-2,3-di-O-methyl-α-D-mannopyranoside

methyl 2,3-di-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

Methyl 2-O-acetyl-4,6-O-(phenylmethylene)-α-D-mannopyranoside