Your Location：Home > Products > Medical intermediate > 1,2-O-Isopropylidene-α-D-Glucurono-6,3-Lactone
CasNo： 20513-98-8
MF： C9H12O6
Synonyms: 1,2-O-Isopropylidene-α-D-glucofuranurono-6,3-lactone；D-Glucorono-6,3-lactone acetonide；
Molecular Formula: C9H12O6
Molecular Weight: 216.19
CAS Number：20513-98-8
Molecular Structure:
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|
Item |
Specification |
|
Appearance |
White to off-white crystalline powder |
|
Assay (GC),% |
≥98.0 |
|
Melting Point, ℃ |
119.0~123.0 |
|
Loss on drying,% |
≤0.5 |
|
Residue on ignition,% |
≤0.10 |
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D-glucurono-6,3-lactone
acetone
D-glucurono-3,6-lactone acetonide
| Conditions | Yield |
|---|---|
|
D-glucurono-6,3-lactone; acetone; In acetonitrile; at 50 ℃; for 0.5h; Molecular sieve;
With sulfuric acid; for 8h; Reflux;
|
90% |
D-glucurono-6,3-lactone
acetone
D-glucurono-3,6-lactone acetonide
| Conditions | Yield |
|---|---|
|
With sulfuric acid;
|
93% |
|
With sulfuric acid; for 5h;
|
90% |
|
With sulfuric acid; at 20 ℃; for 4h; Inert atmosphere;
|
90% |
|
With toluene-4-sulfonic acid; copper(II) sulfate;
|
87% |
|
With sulfuric acid; at 20 ℃; for 38h;
|
84% |
|
With sulfuric acid;
|
82% |
|
With sulfuric acid; at 20 ℃; for 5h;
|
79% |
|
With acid;
|
78% |
|
With sulfuric acid;
|
|
|
sulfuric acid; In acetonitrile; at 25 ℃; for 18h; Heating / reflux;
|
|
|
With sulfuric acid; at 20 ℃;
|
|
|
With sulfuric acid; In acetonitrile; at 65 ℃;
|
|
|
With sulfuric acid;
|
100 mg |
|
With sulfuric acid; at 10 - 35 ℃; Inert atmosphere;
|
D-glucurono-6,3-lactone
O1,O2-isopropylidene-α-D-glucofuranuronic acid
5-O-acetyl-1,2-O-isopropylidene-β-L-idofuranurono-6,3-lactone
(1S,3R,4R,5S,8S)-8-benzyloxy-7-keto-3,4-isopropylidenedioxy-2,6-dioxabicyclo[3.3.0]octane
1,2-O-isopropylidene-5-O-toluene-p-sulphonyl-α-D-glucofuranurono-6,3-lactone
D-glucose
1,2-O-isopropylidene-α-D-glucofuranose
methyl 3,5-O-benzylidene-1,2-O-isopropylidene-α-D-glucofuranuronate
