Conditions | Yield |
---|---|
Behandeln einer wss.Loesung des von Kupfer-Ionen befreiten Reaktionsprodukts mit Brom; |
Conditions | Yield |
---|---|
With oxygen; Pt/Al2O3 at 50℃; under 750.06 Torr; for 2.86667h; other catalysts; var. reaction time; | 39 % Chromat. |
With hexamethylenetetramine; oxygen; platinum on activated charcoal In water at 50℃; under 750.06 Torr; Product distribution; Kinetics; var. of pH, base, catalyst; | |
With pyridine; oxygen; Pt/Al2O3 In water at 50℃; under 750.06 Torr; Rate constant; var. tertiary amines or tetraalkylammonium hydroxide, var. supports of Pt catalyst; |
L-sorbosone
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With water; bromine im diffusen Licht; |
O2,O3;O4,O6-dicyclohexylidene-α-L-xylo-[2]hexulofuranosonic acid
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With water | |
With water |
Conditions | Yield |
---|---|
With sodium chlorate; vanadia |
Conditions | Yield |
---|---|
Gluconobacter melanogenus IFO 3293 mutant; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
Gluconobacter melanogenus IFO 3293 mutant; Yield given; | |
Multi-step reaction with 3 steps 1: 31 percent 2: 46 percent / NaI, Ca(OH)2 / H2O / 1 h / 20 °C / anode - platinum, cathode - stainless steel 3: 0.1N aq. HCl / 1 h / 90 °C View Scheme |
Conditions | Yield |
---|---|
Gluconobacter melanogenus IFO 3293 mutant; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
3,5,4,6-diethylidene-L-xylo-2-hexulosonic acid
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With hydrogenchloride at 90℃; for 1h; |
2,5-diketo-D-gluconic acid
A
fructonic acid
B
2-keto-L-gulonic acid
C
D-lyxo-hex-5-ulosonic acid
D
5-keto-D-gluconic acid
Conditions | Yield |
---|---|
With Ru-TPPTS; sulfuric acid; hydrogen; sodium iodide In water at 27℃; under 7500.6 Torr; for 8h; Product distribution; other pH, temperature, reaction time, hydrogen pressure, catalyst amount; |
Conditions | Yield |
---|---|
L-sorbose
sulfuric acid
dihydrogen peroxide
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With chromium(VI) oxide; iron(III) sulfate; water |
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With chromium(VI) oxide; iron(III) sulfate; water | |
durch aerobe Oxidation mit Hilfe von Enzym-Praeparaten aus Pseudomonas fluorescens; |
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
durch aerobe Oxidation mit Hilfe eines Enzym-Praeparats aus Pseudomonas fluorescens; | |
durch aerobe Oxidation mit Hilfe von Enzym-Praeparaten aus Pseudomonas chromo-spirans; |
tetrachloromethane
L-sorbose
dinitrogen tetraoxide
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
Behandeln der Calcium-Salze der erhaltenen Saeuren mit Oxalsaeure in Wasser; |
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
at 25℃; Schuetteln (16-72 h); |
Conditions | Yield |
---|---|
at 4 - 80℃; pH (3.6-8.4); |
Conditions | Yield |
---|---|
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With water; sodium acetate; acetic acid und Vanadium(V)-oxid und Natriumchlorat; |
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
With water; acetic acid; sodium bromide und Chrom(VI)-oxid bei der anodischen Oxidation; | |
With sodium chlorate; phosphoric acid; water anschl. mit Methanol und Vandium(V)-oxid; |
L-sorbose
A
L-threonic acid
B
2-keto-L-gulonic acid
C
oxalic acid
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
With oxygen; sodium carbonate; hyper-cross-linked polystyrene-Pt-THF at 70℃; for 3.66667h; pH=5.9; Product distribution; Further Variations:; Temperatures; pH-values; |
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
durch aerobe Oxidation mit Hilfe von Enzym-Praeparaten aus Pseudomonas-Arten sowie aus Acetobacter aerogenes; |
1,3:2,4-di-O-ethylidene-D-sorbitol
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 46 percent / NaI, Ca(OH)2 / H2O / 1 h / 20 °C / anode - platinum, cathode - stainless steel 2: 0.1N aq. HCl / 1 h / 90 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: benzaldehyde; water; ethanol / Reagens: Essigsaeure 2: water; bromine / im diffusen Licht View Scheme |
O2,O3;O4,O6-dicyclohexylidene-α-L-sorbofuranose
2-keto-L-gulonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine; potassium hydroxide; potassium permanganate 2: water View Scheme |
Conditions | Yield |
---|---|
In Tri-n-octylamine; 8-methyl-1-nonanol; tri(n-decyl)amine; water at 30℃; Purification / work up; |
diazomethane
2-keto-L-gulonic acid
L-xylo-[2]hexulosonic acid methyl ester
Conditions | Yield |
---|---|
With methanol; diethyl ether at -10℃; |
Diazoethan
2-keto-L-gulonic acid
L-xylo-[2]hexulosonic acid ethyl ester
Conditions | Yield |
---|---|
With ethanol |
Conditions | Yield |
---|---|
With hydrogenchloride; trimethyl orthoformate | |
With hydrogenchloride; dimethylsulfite | |
With acidic cationen-exchanger | |
sulfuric acid at 65 - 66℃; under 760.051 Torr; for 2 - 2.5h; | 90 - 97 %Chromat. |
propan-1-ol
2-keto-L-gulonic acid
L-xylo-[2]hexulosonic acid propyl ester
Conditions | Yield |
---|---|
With acidic cationen-exchanger |
Conditions | Yield |
---|---|
With acidic cationen-exchanger |
i-Amyl alcohol
2-keto-L-gulonic acid
L-xylo-[2]hexulosonic acid isopentyl ester
Conditions | Yield |
---|---|
With acidic cationen-exchanger |
2-keto-L-gulonic acid
2-methyl-propan-1-ol
L-xylo-[2]hexulosonic acid isobutyl ester
Conditions | Yield |
---|---|
With acidic cationen-exchanger |
Conditions | Yield |
---|---|
With hydrogenchloride; water; butan-1-ol | |
With water at 100℃; | |
With hydrogenchloride; water |
2-keto-L-gulonic acid
isopropyl alcohol
L-xylo-[2]hexulosonic acid isopropyl ester
Conditions | Yield |
---|---|
With acidic cationen-exchanger |
2-keto-L-gulonic acid
benzyl alcohol
L-xylo-[2]hexulosonic acid benzyl ester
Conditions | Yield |
---|---|
With cationen-exchanger at 130℃; |
Conditions | Yield |
---|---|
With acidic cationen-exchanger |
The L-xylo-2-Hexulosonicacid, with CAS registry number 526-98-7, has the systematic name of L-sorbosonic acid. Besides this, it is also called L-xylo-hex-2-ulosonic acid. And the chemical formula of this chemical is C6H10O7. What's more, its EINECS is 208-403-5.
Physical properties of L-xylo-2-Hexulosonicacid: (1)ACD/LogP: -2.82; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -6.13; (4)ACD/LogD (pH 7.4): -6.56; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 7; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 9; (12)Polar Surface Area: 80.29 Å2; (13)Index of Refraction: 1.593; (14)Molar Refractivity: 37.45 cm3; (15)Molar Volume: 110.4 cm3; (16)Polarizability: 14.84×10-24cm3; (17)Surface Tension: 108.7 dyne/cm; (18)Density: 1.757 g/cm3; (19)Flash Point: 300.9 °C; (20)Enthalpy of Vaporization: 95.49 kJ/mol; (21)Boiling Point: 550.6 °C at 760 mmHg; (22)Vapour Pressure: 2.04E-14 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C(=O)[C@@H](O)[C@H](O)[C@@H](O)CO
(2)InChI: InChI=1/C6H10O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-4,7-10H,1H2,(H,12,13)/t2-,3+,4-/m0/s1
(3)InChIKey: VBUYCZFBVCCYFD-NUNKFHFFBO
(4)Std. InChI: InChI=1S/C6H10O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-4,7-10H,1H2,(H,12,13)/t2-,3+,4-/m0/s1
(5)Std. InChIKey: VBUYCZFBVCCYFD-NUNKFHFFSA-N
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