methyl (2Z)-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]acrylate
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With sulfuric acid In methanol at 23℃; for 2h; | 97% |
With camphor-10-sulfonic acid In methanol at 20℃; | 95% |
With sulfuric acid In methanol at 20℃; for 2h; | 93% |
With hydrogenchloride In water; acetonitrile for 2.75h; Product distribution; Further Variations:; Reagents; | 84% |
With camphor-10-sulfonic acid at 25℃; for 3h; |
ethyl (R,Z)-3-(2′,2′-dimethyl-1′,3′-dioxolan-4′-yl)acrylate
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 0.5h; Ambient temperature; | 95% |
With sulfuric acid In methanol |
ethyl (Z)-3-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)acrylate
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With hydrogenchloride | 90% |
With hydrogenchloride In ethanol for 2h; Ambient temperature; | 81% |
With sulfuric acid |
2,3-dideoxy-5-O-(triphenylmethyl)-D-glycero-pent-2-enono-1,4-lactone
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 2h; Ambient temperature; | 90% |
With hydrogenchloride; methanol |
methyl (S)-4,5-dihydroxy-4,5-O-isopropylidene-2-pentenoate
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With sulfuric acid In methanol at 25℃; for 1h; | 90% |
With sulfuric acid; water In methanol at 20℃; for 2h; Cyclization; | 85% |
levoglucosenone
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With dihydrogen peroxide In water at 50℃; for 10h; Baeyer-Villiger Ketone Oxidation; Inert atmosphere; Cooling with ice; | 84% |
Stage #1: levoglucosenone With Candida antarctica B lipase; dihydrogen peroxide In ethyl acetate at 40℃; for 8h; Baeyer-Villiger Ketone Oxidation; Green chemistry; Enzymatic reaction; Stage #2: In 1,4-dioxane at 20℃; for 8h; Catalytic behavior; Reagent/catalyst; Temperature; Concentration; Green chemistry; regioselective reaction; | 83% |
With dihydrogen peroxide In water at 0 - 50℃; for 1h; Baeyer-Villiger Ketone Oxidation; | 76% |
(5S)-5-(tert-butyldimethylsilanyloxymethyl)-5H-furan-2-one
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With water; acetic acid In tetrahydrofuran at 24℃; for 22h; | 82% |
With acetic acid In tetrahydrofuran; water at 24℃; for 22h; | 82% |
levoglucosenone
A
(5S)-5-(hydroxymethyl)-5H-furan-2-one
B
(-)-(S)-5-formyloxymethyloxol-3-en-2one
Conditions | Yield |
---|---|
With dihydrogen peroxide In water at 50℃; for 10h; Baeyer-Villiger Ketone Oxidation; Inert atmosphere; Cooling with ice; Large scale; | A 71% B n/a |
With peracetic acid; dimethylsulfide; acetic acid 1.) RT, 2 d, 2.) 1 h; Multistep reaction. Title compound not separated from byproducts; | |
With Candida antarctica B lipase; dihydrogen peroxide In ethyl acetate at 40℃; for 8h; Catalytic behavior; Reagent/catalyst; Temperature; Concentration; Baeyer-Villiger Ketone Oxidation; Green chemistry; Enzymatic reaction; regioselective reaction; |
D-Ribono-1,4-lactone
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With methyltrioxorhenium(VII) at 170 - 180℃; for 15h; Sealed tube; Inert atmosphere; | 70% |
Multi-step reaction with 2 steps 1: 1.) THF, 12 h, reflux, 2.) 7 d 2: 68 percent / 220 °C / 40 Torr View Scheme | |
Multi-step reaction with 2 steps 1: tetrahydrofuran / 12 h / Heating 2: 68 percent / 220 °C / 40 Torr View Scheme | |
With methyltrioxorhenium(VII) at 155℃; for 2h; Inert atmosphere; | 23.5 mg |
2,3-O-(ethoxymethylene)-D-ribonic acid γ-lactone
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
at 220℃; under 40 Torr; | 68% |
(+)-2,3-O-ethoxymethylene-D-ribonolactone
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
at 220℃; under 40 Torr; | 68% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With N-fluorobis(benzenesulfon)imide; lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 1h; | 65% |
methyl (S)-4,5-dihydroxy-4,5-O-isopropylidene-2-pentenoate
A
(5S)-5-(hydroxymethyl)-5H-furan-2-one
B
ethyl (E)-3-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)acrylate
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 0.5h; Ambient temperature; | A 63% B n/a |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With phenanthrene In dichloromethane at 25 - 30℃; UV-irradiation; | 61% |
3-<(4'S)-2',2'-dimethyl-1',3'-dioxolan-4'-yl>prop-2-enoic acid ethyl ester
A
(5S)-5-(hydroxymethyl)-5H-furan-2-one
B
methyl (2E)-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]acrylate
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 0.5h; Ambient temperature; | A 60% B n/a |
A
tert-butyl 5-hydroxy-4-oxopentanoate
B
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With adenosine In dichloromethane at 25 - 30℃; UV-irradiation; | A 51% B n/a |
levoglucosenone
A
(5S)-5-(hydroxymethyl)-5H-furan-2-one
B
2-deoxy-3-O-methyl-D-erythro-pentono-1,4-lactone
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium hydroxide In methanol at 18℃; for 408h; | A 13% B 4% |
(-)-(S)-5-acetyloxymethyl-2(5H)-furanone
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With hydrogenchloride In methanol at 5℃; for 18h; Yield given; |
tert-butyl 6-O-acetyl-3,4-dideoxy-α-D-glycero-hex-3-enopyranosid-2-ulose
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With peracetic acid for 12h; |
2-Bromo-2-deoxy-D-arabinono-γ-lactone
A
(5S)-5-(hydroxymethyl)-2-oxo-tetrahydrofuran
B
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol at 20℃; under 760 Torr; |
(3R/S,4S)-5-Hydroxy-4-phenylsulfinyl-4-pentanolide
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With calcium carbonate In toluene for 3h; Heating; Yield given; |
orthoformic acid triethyl ester
D-Ribono-1,4-lactone
A
protoanemonin
B
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
1.) THF, reflux; 2.) 220 deg C, 18 Hgmm; Multistep reaction; |
D-Ribono-1,4-lactone
A
(5S)-5-(hydroxymethyl)-5H-furan-2-one
B
(S)-(-)-γ-bromometil-α,β-butenolide
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
1-(2-deoxy-2-iodo-β-D-ribofuranosyl)uracil
A
2,2'-Anhydrouridine
B
(5S)-5-(hydroxymethyl)-5H-furan-2-one
F
2-deoxy-D-ribonolactone
Conditions | Yield |
---|---|
In water-d2 for 4h; Product distribution; Mechanism; Irradiation; var. solvents, in the presence of O2, also <1'-D>-2'α-iodo-2'-deoxyuridine, other deoxyoligonucleotides; | A 2.0 % Spectr. B 2.0 % Spectr. C 1.0 % Spectr. D 4.0 % Spectr. E 13 % Spectr. F 1.0 % Spectr. |
5-({[tert-butyl(dimethyl)silyl]oxy}methyl)-5H-furan-2-one
A
(5S)-5-(hydroxymethyl)-5H-furan-2-one
B
(R)-(+)-5-(hydroxymethyl)furan-2(5H)-one
Conditions | Yield |
---|---|
With pyridine hydrogenfluoride In tetrahydrofuran at 0℃; for 16h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
tert-butyl (4R)-4,5-O-isopropylidene-3,4,5-trihydroxypentanoate
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 82 percent / CH3COOH / tetrahydrofuran; H2O / 22 h / 24 °C View Scheme | |
Multi-step reaction with 3 steps 1: 50 percent aq. CF3COOH / 2 h / 90 - 95 °C 2: 1.)t-BuMe2SiCl; 2.) SOCl2, pyridine / 1.) CH2Cl2, 20 deg C., 16h; 2.) CH2Cl2, 24 deg C, 22h 3: 82 percent / H2O, AcOH / tetrahydrofuran / 22 h / 24 °C View Scheme |
(2E)-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 99 percent / Et3N / CH2Cl2 / 1 h / 20 °C 2: 84 percent / HCl / H2O; acetonitrile / 2.75 h View Scheme |
tert-butyl 2,4,6-tri-O-acetyl-3-deoxy-α-D-erythro-hex-2-enopyranoside
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: K2CO3 / methanol / 1 h 2: pyridine, dimethylaminopyridine / CH2Cl2 / 1 h 3: 40percent aq. AcOOH / 12 h View Scheme |
tert-butyl 3,4-dideoxy-α-D-glycero-hex-3-enopyranosid-2-ulose
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine, dimethylaminopyridine / CH2Cl2 / 1 h 2: 40percent aq. AcOOH / 12 h View Scheme |
2,3,4,6-tetra-O-acetyl-1,5-anhydro-D-arabinohex-1-enopyranose
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 87 percent / BF3*Et2O / CH2Cl2 / 72 h 2: K2CO3 / methanol / 1 h 3: pyridine, dimethylaminopyridine / CH2Cl2 / 1 h 4: 40percent aq. AcOOH / 12 h View Scheme |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
tert-butyldimethylsilyl chloride
(5S)-5-(tert-butyldimethylsilanyloxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0 - 20℃; for 1h; | 100% |
With 1H-imidazole In dichloromethane at 0 - 23℃; for 1h; | 99% |
With 1H-imidazole In dichloromethane at 20℃; for 3h; | 98% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
tetradecanoyl chloride
5-O-tetradecanoyl-2,3-didehydro-2,3-dideoxy-D-glycero-pentono-1,4-lactone
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane for 24h; Ambient temperature; | 97% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
tert-butylchlorodiphenylsilane
(5S)-5-(tert-butyldiphenylsiloxymethyl)-2(5H)-furanone
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0℃; for 0.75h; | 97% |
With ammonium nitrate In N,N-dimethyl-formamide at 0 - 25℃; for 12.5h; | 95% |
With dmap | 94% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(+/-)-3-tert-butyldimethylsilyloxy-1-cyclopentane-1-carboxylic acid
(-)-R-4-(3-tert-butyldimethylsilyloxycyclopent-1-ene-1-carbonyloxymethyl)but-2-en-4-olide
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane | 96% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 2h; | 96% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(5S)-5-(hydroxymethyl)-2-oxo-tetrahydrofuran
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol for 4h; Ambient temperature; | 96% |
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 20℃; | 90% |
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 20℃; | 86% |
3,4-dihydro-2H-pyran
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(4S)-4-hydroxy-5-tetrahydropyranyloxy-2-pentenoic acid γ-lactone
Conditions | Yield |
---|---|
With camphor-10-sulfonic acid In tetrahydrofuran at 10℃; for 15h; | 95% |
With camphor-10-sulfonic acid | 93% |
With toluene-4-sulfonic acid In dichloromethane at 23℃; for 8h; | 78% |
With toluene-4-sulfonic acid In dichloromethane at 20℃; for 8h; | 78% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
pivaloyl chloride
(-)-(S)-5-pivaloyloxymethyl-2(5H)-furanone
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 24h; Esterification; | 95% |
With pyridine; dmap In dichloromethane for 29h; Ambient temperature; | 89% |
With pyridine In dichloromethane at 23℃; for 12h; | 81% |
With pyridine In dichloromethane at 0 - 20℃; | 81% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
cyclopenta-1,3-diene
Conditions | Yield |
---|---|
With zinc(II) iodide In dichloromethane at 15℃; for 21h; | 95% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
isopropyl alcohol
(4S,5S)-5-hydroxymethyl-4-C-(1-hydroxy-1-methylethyl)tetrahydrofuran-2-one
Conditions | Yield |
---|---|
for 48h; Irradiation; | 94% |
With acetophenone for 18h; Irradiation; |
(1R,2S,5R)-menthyl chloroformate
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(1R,2S,5R)-menthyl [(5S)-2-oxo-2,5-dihydrofuran-5-yl]methyl carbonate
Conditions | Yield |
---|---|
With pyridine In dichloromethane Cooling; | 93% |
O-benzyl 2,2,2-trichloroacetimidate
(5S)-5-(hydroxymethyl)-5H-furan-2-one
γ-benzyloxymethyl-α,β-butenolide
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In dichloromethane at 0℃; for 4h; Inert atmosphere; | 93% |
With trifluorormethanesulfonic acid In dichloromethane; cyclohexane at 0℃; for 4h; Inert atmosphere; |
4,4'-dimethoxytrityl chloride
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(S)-5-(4,4'-dimethoxytrityloxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With pyridine for 3h; | 92% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
acetyl chloride
(-)-(S)-5-acetyloxymethyl-2(5H)-furanone
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 1h; | 92% |
With pyridine In dichloromethane at 0℃; for 1h; | 92% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
trifluoroacetic anhydride
(-)-(S)-5-trifluoroacetyloxymethyl-2(5H)-furanone
Conditions | Yield |
---|---|
for 6h; | 91% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
benzoyl chloride
(5S)-5-(benzoyloxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 1h; | 86% |
With pyridine In dichloromethane at 0℃; for 1h; | 86% |
With pyridine In dichloromethane at 0℃; for 1h; | 85% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
In toluene Heating; | 86% |
triisopropylsilyl chloride
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(S)-(5-O-triisopropylsilanyloxymethyl)furan-2(5H)-one
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 20℃; for 18h; | 86% |
Stage #1: (5S)-5-(hydroxymethyl)-5H-furan-2-one With 1H-imidazole In dichloromethane Stage #2: triisopropylsilyl chloride In dichloromethane at 25℃; | 65% |
chlorotriisopropylsilane
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(S)-(5-O-triisopropylsilanyloxymethyl)furan-2(5H)-one
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 20℃; for 18h; | 86% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
acetic anhydride
(-)-(S)-5-acetyloxymethyl-2(5H)-furanone
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 24h; | 83% |
With pyridine In dichloromethane for 14h; Ambient temperature; | 79% |
With pyridine; dmap In dichloromethane for 1.5h; Yield given; |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
trityl chloride
2,3-dideoxy-5-O-(triphenylmethyl)-D-glycero-pent-2-enono-1,4-lactone
Conditions | Yield |
---|---|
With pyridine at 70℃; for 16h; tritylation; | 83% |
In pyridine | 65% |
With pyridine 1.) 20 min, 2.) 72 h, room tempreature; | 64.7% |
With pyridine In dichloromethane for 4h; Ambient temperature; | 50% |
With pyridine In dichloromethane at 0℃; for 24h; | 40% |
(5S)-5-(hydroxymethyl)-5H-furan-2-one
1-Adamantanecarbonyl chloride
(-)-(S)-5-adamantanecarbonyloxymethyl-2(5H)-furanone
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; | 83% |
cyclopent-1-enecarboxylic acid
(5S)-5-(hydroxymethyl)-5H-furan-2-one
(-)-R-4-(cyclopent-1-ene-1-carbonyloxymethyl)but-2-en-4-olide
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 2h; Ambient temperature; | 82% |
2-Methoxyethoxymethyl chloride
(5S)-5-(hydroxymethyl)-5H-furan-2-one
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 24h; Inert atmosphere; | 82% |
The (S)-(-)-5-Hydroxymethyl-2(5H)-furanone, with the CAS registry number 78508-96-0, has the systematic name of (5S)-5-(hydroxymethyl)furan-2(5H)-one. It belongs to the following product categories: Chiral Reagent; Chiral Building Blocks; Furans; Heterocyclic Building Blocks. And the molecular formula of the chemical is C5H6O3. What's more, while dealing with this chemical, you should avoid contact with skin and eyes.
The characteristics of (S)-(-)-5-Hydroxymethyl-2(5H)-furanone are as followings: (1)ACD/LogP: -1.92; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 3; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 46.53 Å2; (7)Index of Refraction: 1.502; (8)Molar Refractivity: 26.015 cm3; (9)Molar Volume: 88.121 cm3; (10)Polarizability: 10.313×10-24cm3; (11)Surface Tension: 45.369 dyne/cm; (12)Density: 1.295 g/cm3; (13)Flash Point: 166.808 °C; (14)Enthalpy of Vaporization: 66.937 kJ/mol; (15)Boiling Point: 334.754 °C at 760 mmHg; (16)Vapour Pressure: 0 mmHg at 25°C.
Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: O=C\1O[C@@H](/C=C/1)CO
(2)InChI: InChI=1/C5H6O3/c6-3-4-1-2-5(7)8-4/h1-2,4,6H,3H2/t4-/m0/s1
(3)InChIKey: AWNLUIGMHSSXHB-BYPYZUCNBO
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