Product Name

  • Name

    ASCORBYL GLUCOSIDE

  • EINECS
  • CAS No. 129499-78-1
  • Article Data7
  • CAS DataBase
  • Density 1.835 g/cm3
  • Solubility Soluble in water. (879 g/L) at 25°C.
  • Melting Point 158-163℃
  • Formula C12H18O11
  • Boiling Point 717.451 °C at 760 mmHg
  • Molecular Weight 338.268
  • Flash Point 271.813 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 129499-78-1 (ASCORBYL GLUCOSIDE)
  • Hazard Symbols
  • Synonyms 2-O-α-D-Glucopyranosyl-L-ascorbic acid;AA2G;Ascofresh;Ascorbyl glucoside;L-Ascorbic acid 2-glucoside;L-Ascorbic acid glucoside;
  • PSA 186.37000
  • LogP -4.14890

Synthetic route

ascorbic acid
50-81-7

ascorbic acid

Sucrose
57-50-1

Sucrose

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
With Bifidobacterium longum sucrose phosphorylase In aq. buffer at 40℃; for 72h; pH=5.2; Catalytic behavior; pH-value; Reagent/catalyst; Temperature; Enzymatic reaction; regioselective reaction;50%
ascorbic acid
50-81-7

ascorbic acid

dextrin

dextrin

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
Stage #1: ascorbic acid; dextrin With Geobacillus stearothermophilus Tc-62 cyclomaltodextrin glucanotransferase In water at 55℃; for 50h; pH=5.5; Enzymatic reaction;
Stage #2: With glucoamylase GLUCZYM AF6 In water for 24h; pH=4.5; Catalytic behavior; Reagent/catalyst; Time; Enzymatic reaction;
39%
sodium ascorbate
134-03-2

sodium ascorbate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
rat intestinal (or rice seed) α-glucosidase, maltose, thiourea, 0.1 M acetate buffer, 3 h, 50 deg C, in the dark;14%
sodium ascorbate
134-03-2

sodium ascorbate

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
Stage #1: sodium ascorbate; alpha cyclodextrin With cyclodextrin glucanotransferase from Thermoanaerobacter sp. In aq. acetate buffer at 40℃; for 24h; pH=4.0; Enzymatic reaction;
Stage #2: With amyloglucosidase from Aspergillus niger In aq. acetate buffer at 60℃; for 2h; Enzymatic reaction; regioselective reaction;
0.27%
sodium ascorbate
134-03-2

sodium ascorbate

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
Stage #1: sodium ascorbate; β‐cyclodextrin With cyclodextrin glucanotransferase from Thermoanaerobacter sp. In aq. acetate buffer at 40℃; for 24h; pH=4.0; Enzymatic reaction;
Stage #2: With amyloglucosidase from Aspergillus niger In aq. acetate buffer at 60℃; for 2h; Enzymatic reaction; regioselective reaction;
0.24%
sodium ascorbate
134-03-2

sodium ascorbate

cyclomaltooctaose
17465-86-0

cyclomaltooctaose

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
Stage #1: sodium ascorbate; cyclomaltooctaose With cyclodextrin glucanotransferase from Thermoanaerobacter sp. In aq. acetate buffer at 40℃; for 24h; pH=4.0; Enzymatic reaction;
Stage #2: With amyloglucosidase from Aspergillus niger In aq. acetate buffer at 60℃; for 2h; Enzymatic reaction; regioselective reaction;
0.21%
alpha cyclodextrin
10016-20-3

alpha cyclodextrin

ascorbic acid
50-81-7

ascorbic acid

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
at 60℃; for 24h; cyclomaltodextrin glucanotransferase, pH 5.5;250 g
With Thermoanaerobacter sp. cyclodextringlucanotransferase; thiourea In aq. buffer at 50℃; pH=4.5; Temperature; Darkness;
β‐cyclodextrin
7585-39-9

β‐cyclodextrin

ascorbic acid
50-81-7

ascorbic acid

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

Conditions
ConditionsYield
Stage #1: β‐cyclodextrin; ascorbic acid at 45℃; for 120h; pH=5.5; aq. acetate buffer; Darkness; Molecular sieve;
Stage #2: With glucoamylase at 65℃; for 6h; pH=5.5; aq. acetate buffer;
2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

stearic anhydride
638-08-4

stearic anhydride

2-O-α-D-glucopyranosyl-6-O-octadecanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-octadecanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 0.5h;52.8%
lauric anhydride
645-66-9

lauric anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

Conditions
ConditionsYield
With poly(4-vinylpyridine) In N,N-dimethyl-formamide at 45℃; for 21h; regioselective reaction;49.7%
With pyridine at 60℃; for 1h;45.7%
With pyridine at 60℃;
palmitic anhydride
623-65-4

palmitic anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-O-α-D-glucopyranosyl-6-O-hexadecanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-hexadecanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 0.5h;49.5%
capric anhydride
2082-76-0

capric anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-O-α-D-glucopyranosyl-6-O-decanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-decanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 1h;39.5%
vinyl laurate
2146-71-6

vinyl laurate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

A

5-O-dodecanoyl-2-O-α-D-glucopyranosyl-L-ascorbic acid
1242146-27-5

5-O-dodecanoyl-2-O-α-D-glucopyranosyl-L-ascorbic acid

B

2-O-(6'-O-dodecanoyl-α-D-glucopyranosyl)-L-ascorbic acid
1242146-28-6

2-O-(6'-O-dodecanoyl-α-D-glucopyranosyl)-L-ascorbic acid

C

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

Conditions
ConditionsYield
With Bacillus subtilis alkaline protease In 1,4-dioxane; water; N,N-dimethyl-formamide at 45℃; for 46h; Enzymatic reaction; regioselective reaction;A n/a
B n/a
C 38.1%
vinyl octanoate
818-44-0

vinyl octanoate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

6‐O‐octanoyl‐2‐O‐α‐D‐glucopyranosyl‐L-ascorbic acid

6‐O‐octanoyl‐2‐O‐α‐D‐glucopyranosyl‐L-ascorbic acid

Conditions
ConditionsYield
With pyridine; Bacillus subtilis protease at 45℃; for 18h;37.2%
octanoic acid anhydride
623-66-5

octanoic acid anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

6‐O‐octanoyl‐2‐O‐α‐D‐glucopyranosyl‐L-ascorbic acid

6‐O‐octanoyl‐2‐O‐α‐D‐glucopyranosyl‐L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 1h;30%
With pyridine at 60℃;
2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

myristic anhydride
626-29-9

myristic anhydride

2-O-α-D-glucopyranosyl-6-O-tetradecanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-tetradecanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 1h;29.8%
2-ethylbutyric anhydride
54502-37-3

2-ethylbutyric anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

6-O-(2-ethylbutyryl)-2-O-α-D-glucopyranosyl-L-ascorbic acid

6-O-(2-ethylbutyryl)-2-O-α-D-glucopyranosyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 2h;24.9%
n-hexanoic anhydride
2051-49-2

n-hexanoic anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-O-α-D-glucopyranosyl-6-O-hexanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-hexanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 1h;24.6%
With pyridine at 60℃;
2-propylpentanoic anhydride
51660-44-7

2-propylpentanoic anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2‐O‐α‐D‐glucopyranosyl‐6‐O‐(2‐propylpentanoyl)‐L‐ascorbic acid

2‐O‐α‐D‐glucopyranosyl‐6‐O‐(2‐propylpentanoyl)‐L‐ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃;21.4%
vinyl laurate
2146-71-6

vinyl laurate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

A

5-O-dodecanoyl-2-O-α-D-glucopyranosyl-L-ascorbic acid
1242146-27-5

5-O-dodecanoyl-2-O-α-D-glucopyranosyl-L-ascorbic acid

B

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

Conditions
ConditionsYield
With Bacillus subtilis alkaline protease In water; N,N-dimethyl-formamide at 45℃; for 54h;A 5.5%
B 20.4%
butanoic acid anhydride
106-31-0

butanoic acid anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

6-O-butyryl-2-O-α-D-glucopyranosyl-L-ascorbic acid

6-O-butyryl-2-O-α-D-glucopyranosyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃; for 1h;17.2%
2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-pentylheptanoic anhydride
577772-84-0

2-pentylheptanoic anhydride

2-O-α-D-glucopyranosyl-6-O-(2-pentylheptanoyl)-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-(2-pentylheptanoyl)-L-ascorbic acid

Conditions
ConditionsYield
With pyridine at 60℃;14.3%
palmitic anhydride
623-65-4

palmitic anhydride

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

A

(S)-2-hydroxy-2-((R)-3-hydroxy-5-oxo-4-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yloxy)-2,5-dihydrofuran-2-yl)ethyl palmitate

(S)-2-hydroxy-2-((R)-3-hydroxy-5-oxo-4-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yloxy)-2,5-dihydrofuran-2-yl)ethyl palmitate

B

((2R,3S,4S,5R,6S)-6-((R)-5-((S)-1,2-dihydroxyethyl)-4-hydroxy-2-oxo-2,5-dihydrofuran-3-yloxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl palmitate

((2R,3S,4S,5R,6S)-6-((R)-5-((S)-1,2-dihydroxyethyl)-4-hydroxy-2-oxo-2,5-dihydrofuran-3-yloxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl palmitate

Conditions
ConditionsYield
With pyridine at 60℃;A 3.9%
B 1.9%
vinyl n-butyrate
123-20-6

vinyl n-butyrate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

6-O-butyryl-2-O-α-D-glucopyranosyl-L-ascorbic acid

6-O-butyryl-2-O-α-D-glucopyranosyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine; Bacillus subtilis protease at 45℃; for 24h;
vinyl caproate
3050-69-9

vinyl caproate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-O-α-D-glucopyranosyl-6-O-hexanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-hexanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine; Bacillus subtilis protease at 45℃; for 24h;
vinyl caprate
4704-31-8

vinyl caprate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-O-α-D-glucopyranosyl-6-O-decanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-decanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine; Bacillus subtilis protease at 45℃; for 24h;
vinyl laurate
2146-71-6

vinyl laurate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

6‐O‐dodecanoyl‐2‐O‐α‐D‐glucopyranosyl‐Lascorbicacid

Conditions
ConditionsYield
With pyridine; Bacillus subtilis protease at 45℃; for 24h;
vinyl palmitate
693-38-9

vinyl palmitate

2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-O-α-D-glucopyranosyl-6-O-hexadecanoyl-L-ascorbic acid

2-O-α-D-glucopyranosyl-6-O-hexadecanoyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine; Bacillus subtilis protease at 45℃; for 24h;
2-O-α-D-glucopyranosyl L-ascorbate
129499-78-1

2-O-α-D-glucopyranosyl L-ascorbate

2-O-α-D-glucosyl-L-ascorbic acid, sodium salt

2-O-α-D-glucosyl-L-ascorbic acid, sodium salt

Conditions
ConditionsYield
With sodium hydroxide In methanol at 4℃; for 504h;35 g

Ascorbic acid 2-O-glucoside Specification

The Ascorbic acid 2-O-glucoside, with the CAS registry number 129499-78-1, is also known as 2-O-α-D-Glucopyranosyl-L-ascorbic acid. This chemical's molecular formula is C12H18O11 and molecular weight is 338.26. What's more, its systematic name is 2-O-α-D-Glucopyranosyl-L-threo-hex-1-enofuranos-3-ulose. 

Physical properties of Ascorbic acid 2-O-glucoside are: (1)ACD/LogP: -2.337; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): -3.38; (4)ACD/LogD (pH 7.4): -5.14; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 11; (10)#H bond donors: 7; (11)#Freely Rotating Bonds: 12; (12)Polar Surface Area: 186.37 Å2; (13)Index of Refraction: 1.67; (14)Molar Refractivity: 68.907 cm3; (15)Molar Volume: 184.388 cm3; (16)Polarizability: 27.317×10-24cm3; (17)Surface Tension: 114.2 dyne/cm; (18)Density: 1.835 g/cm3; (19)Flash Point: 271.813 °C; (20)Enthalpy of Vaporization: 119.772 kJ/mol; (21)Boiling Point: 717.451 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C2C(\O[C@H]1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)CO)=C(\O)O[C@@H]2[C@@H](O)CO
(2)Std. InChI: InChI=1S/C12H18O11/c13-1-3(15)9-8(19)10(11(20)22-9)23-12-7(18)6(17)5(16)4(2-14)21-12/h3-7,9,12-18,20H,1-2H2/t3-,4+,5+,6-,7+,9+,12+/m0/s1
(3)Std. InChIKey: YEERNPPBIMJBHH-DCWMUDTNSA-N  

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