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517-23-7

Basic Information
CAS No.: 517-23-7
Name: 2(3H)-Furanone,3-acetyldihydro-
Molecular Structure:
Molecular Structure of 517-23-7 (2(3H)-Furanone,3-acetyldihydro-)
Formula: C6H8O3
Molecular Weight: 128.13
Synonyms: Acetoaceticacid, 2-(2-hydroxyethyl)-, g-lactone (6CI,7CI);2-Acetyl-g-butyrolactone;2-Acetylbutanolide;2-Oxo-3-acetyltetrahydrofuran;3-Acetyl-4,5-dihydro-2(3H)-furanone;3-Acetyl-4,5-dihydrofuran-2-one;3-Acetyldihydro-2(3H)-furanone;3-Acetyldihydrofuran-2-one;3-Acetyltetrahydro-2-furanone;Dihydro-3-acetyl-2(3H)-furanone;NSC 2019;a-(2-Hydroxyethyl)acetoacetic acidg-lactone;a-Acetobutyrolactone;a-Acetyl-g-butyrolactone;a-Acetyl-g-hydroxybutyric acid g-lactone;a-Acetylbutyrolactone;
EINECS: 208-235-2
Density: 1.191 g/cm3
Melting Point: <25 °C
Boiling Point: 253.078 °C at 760 mmHg
Flash Point: 128.244 °C
Solubility: 310 g/L (20 °C) in water
Appearance: Colorless to light yellow liquid
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36-37/39
Transport Information:
PSA: 43.37000
LogP: 0.13850
Synthetic route

α-acetyl-γ-butyrolactone sodium

A

60-35-5

acetamide

B

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With ethyl hydrazine hydrochloride In methanol at 10 - 20℃; for 2h; Temperature;A 98.9%
B 98.29%
96-48-0

4-butanolide

79-20-9

acetic acid methyl ester

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
Stage #1: 4-butanolide; acetic acid methyl ester With sodium methylate In methanol at 45 - 90℃; under 750.075 Torr; for 10h; Inert atmosphere; Large scale;
Stage #2: With carbon dioxide In methanol; water at 0 - 35℃; under 6000.6 Torr; for 0.5h; Temperature; Pressure; Reagent/catalyst; Large scale;
96%
96-48-0

4-butanolide

141-78-6

ethyl acetate

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With sodium ethanolate at 75℃; for 10h; Reflux;93%
Stage #1: 4-butanolide; ethyl acetate With sodium methylate at 50 - 100℃; for 5h; Autoclave;
Stage #2: With sulfuric acid at -5 - 5℃; for 5h; pH=6 - 7;
83%
With sodium at 80℃; for 8h; Mechanism;
96-48-0

4-butanolide

75-07-0

acetaldehyde

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethyl acetate at 60 - 95℃; under 750.075 - 7500.75 Torr; for 3.5h; Solvent; Temperature; Reagent/catalyst; Autoclave;79.31%
75-21-8

oxirane

105-45-3

acetoacetic acid methyl ester

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water at -5 - 0℃; for 50h;78%
With triethylamine In methanol at 5 - 95℃; under 1500.15 - 2250.23 Torr; for 2.15 - 5h; Product distribution / selectivity;40.4%
With N,N,N',N'-tetramethylguanidine In methanol at 5 - 65℃; under 1500.15 - 2250.23 Torr; for 1.15 - 6.18333h; Product distribution / selectivity;30.8%
96-48-0

4-butanolide

108-24-7

acetic anhydride

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
Stage #1: 4-butanolide With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.25h; Inert atmosphere;
Stage #2: acetic anhydride In tetrahydrofuran at -78℃; for 1h; Inert atmosphere;
42%
75-21-8

oxirane

64-17-5

ethanol

1007476-32-5

sodium ethyl acetylacetate enolate

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

75-21-8

oxirane

1007476-32-5

sodium ethyl acetylacetate enolate

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With ethanol
64-17-5

ethanol

1007476-32-5

sodium ethyl acetylacetate enolate

107-07-3

2-chloro-ethanol

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

75-21-8

oxirane

141-97-9

ethyl acetoacetate

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With sodium hydroxide 1.) water, EtOH, 0 deg C, 30 min, 2.) 0 - 5 deg C, 72 h; Yield given. Multistep reaction;
With sodium hydroxide; sulfuric acid In water; ethylene glycol
96-48-0

4-butanolide

141-52-6

sodium ethanolate

141-78-6

ethyl acetate

A

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

B

1071-73-4

5-Hydroxy-2-pentanone

C

999-10-0

ethyl 4-hydroxybutanoate

D

25560-91-2

ethyl 4-(acetyloxy)butanoate

E

141-97-9

ethyl acetoacetate

F

65652-24-6

α-(2-Tetrahydrofuranylidene)-γ-butyrolactone

Conditions
ConditionsYield
at 100℃; under 1064 Torr; for 0.5h; Product distribution; various molar ratio of the reagents, other temp., other pressure, other time;
96-48-0

4-butanolide

75-36-5

acetyl chloride

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With 18-crown-6 ether 1.) THF, RT, 15 min, 2.) THF, RT, 3 h; Yield given. Multistep reaction;
64620-59-3

3-<1-(N-phenylamino)-ethylidene>-4,5-dihydro-2(3H)-furanone

A

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

B

62-53-3

aniline

Conditions
ConditionsYield
With water at 25℃; Rate constant; Mechanism;
2280-44-6

D-Glucose

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With aluminium trichloride; Trioxane In methanol Dehydration; Heating;
96-48-0

4-butanolide

141-78-6

ethyl acetate

A

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

B

acetoacetic acid ethyl ester and tetrahydro-<2,3'>bifuryliden-2'-one

acetoacetic acid ethyl ester and tetrahydro-<2,3'>bifuryliden-2'-one

Conditions
ConditionsYield
With sodium
7647-01-0

hydrogenchloride

412012-07-8

2-acetyl-2-(methylsulfanyl-methyl)-succinic acid diethyl ester

A

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

B

89533-75-5

3-methylene-4-oxopentanoic acid

C

3--4-oxo-valeric acid

3--4-oxo-valeric acid

Conditions
ConditionsYield
10 h Erhitzen.;
96-48-0

4-butanolide

1258864-02-6

C19H20ClNO4

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -78℃;
96-48-0

4-butanolide

75-07-0

acetaldehyde

141-78-6

ethyl acetate

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

Conditions
ConditionsYield
With sodium carbonate at 44 - 80℃; for 8.66667h; Temperature; Autoclave;
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

106-95-6

allyl bromide

3-(1-Hydroxy-1-methyl-but-3-enyl)-dihydro-furan-2-one

Conditions
ConditionsYield
With hydrogenchloride; indium In methanol; water for 10h; Ambient temperature;100%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

107-05-1

3-chloroprop-1-ene

3-(1-Hydroxy-1-methyl-but-3-enyl)-dihydro-furan-2-one

Conditions
ConditionsYield
With hydrogenchloride; indium In methanol; water for 10h; Ambient temperature;100%
With tin In hydrogenchloride; methanol for 20h; Product distribution; Ambient temperature; other reagent, solvent, reaction time; also with allyl bromide;90%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

75-77-4

chloro-trimethyl-silane

133400-76-7

4-<1-(trimethylsiloxy)ethenyl>-5-(trimethylsiloxy)-2,3-dihydrofuran

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -78 - 20℃; for 1h;100%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

2986-00-7

3-acetyl-3-chlorodihydrofuran-2(3H)-one

Conditions
ConditionsYield
With chlorine at -10℃; for 5h; Temperature; Saturated gas;99.3%
With sulfuryl dichloride at 5 - 10℃; for 3h;99.1%
With chlorine In dichloromethane at -10℃; for 5h; Temperature; Reagent/catalyst; Flow reactor;99%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

135366-64-2

α-acetyl-α-hydroxy-γ-butyrolactone

Conditions
ConditionsYield
With 3,3-dimethyldioxirane; nickel diacetate In water; acetone for 3.5h; Ambient temperature;99%
With 3,3-dimethyldioxirane In acetone at 20℃; for 72h;98%
With samarium (III) iodide; iodine In tetrahydrofuran; water at 25℃; for 12h; Catalytic behavior; Green chemistry;95%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

78-94-4

methyl vinyl ketone

58623-81-7, 74627-02-4, 176101-57-8

3-acetyl-3-(3-oxobutyl)-4,5-dihydrofuran-2(3H)-one

Conditions
ConditionsYield
With silica gel In neat (no solvent) at 0 - 90℃; for 20h; Michael Addition;99%
NDEAP grafted on silica In water at 80℃; for 0.233333h; Michael addition; microwave irradiation;84%
With iron(III) chloride In dichloromethane at 20℃; Michael reaction;36%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

100-46-9

benzylamine

2-<1-(N-benzylamino)ethylidene>butyrolactone

Conditions
ConditionsYield
With silica gel at 20℃; for 2h;99%
With β‐cyclodextrin In water at 20℃; for 1.5h; chemospecific reaction;96%
With cerium(III) chloride; tetrabutylammomium bromide at 20℃; for 0.0833333h;95%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

75-77-4

chloro-trimethyl-silane

3-[1-[(trimethylsilyl)oxy]ethylidenyl]-4,5-dihydrofuran-2-one

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -78 - 20℃;99%
With triethylamine In benzene at 20℃; for 14h; Etherification;
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

618-36-0

rac-methylbenzylamine

(Z)-3-[1-(1-phenylethylamino)ethylidene]tetrahydro-2-furanone

Conditions
ConditionsYield
With silica gel at 20℃; for 3.5h;99%
at 23℃; for 4h;89%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

74-89-5

methylamine

3-[1-Methylamino-eth-(Z)-ylidene]-dihydro-furan-2-one

Conditions
ConditionsYield
With silica gel at 20℃; for 4h;99%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

2-(1-aminoethylidene)butyrolactone

Conditions
ConditionsYield
With ammonia; silica gel at 20℃; for 5h;99%
With ammonium acetate; tetraethoxy orthosilicate In ethanol Heating;98%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

C6H7BF2O3

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In toluene at 25℃; for 16h;99%
With boron trifluoride diethyl etherate In toluene at 25℃; for 24h;99%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

5153-67-3

nitrostyrene

3-acetyl-3-(-2-nitro-1-phenylethyl)dihydrofuran-2(3H)-one

Conditions
ConditionsYield
With 1-[3,5-bis(trifluoromethyl)phenyl]-3-[(2S)-dimethylamino-(1S)-phenylpropyl]thiourea In diethyl ether at 0℃; for 17h; nitro-Michael reaction; enantioselective reaction;99%
With 3-((3,5-bis(trifluoromethyl)benzyl)amino)-4-((2-(dimethylamino)ethyl)-amino)cyclobut-3-ene-1,2-dione In toluene at 25℃; for 24h; Michael Addition; Inert atmosphere;87%
(3ξ,8α,9R)-cinchonan-6',9-diol In tetrahydrofuran at 20℃; for 0.5h; Product distribution / selectivity; Michael Condensation;
With 1,4-diaza-bicyclo[2.2.2]octane In dichloromethane at 20℃; Michael Addition;
With 1,4-diaza-bicyclo[2.2.2]octane In neat (no solvent) at 20℃; Michael Addition;
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

95-54-5

1,2-diamino-benzene

(Z)-3-[1-(2-aminophenylamino)ethylidene]dihydrofuran-2(3H)-one

Conditions
ConditionsYield
In ethanol at 20℃; for 24h;99%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

C6H7ClO3*ClH

Conditions
ConditionsYield
With chlorine at 25 - 45℃; under 760.051 - 1520.1 Torr; for 2h; Temperature; Pressure; Concentration;98.6%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

101561-12-0

C12H12N2O3

7-Benzoylamino-6-hydroxy-6,8-dimethyl-1-oxo-2-oxa-7-aza-spiro[4.4]non-8-ene-9-carboxylic acid methyl ester

Conditions
ConditionsYield
In tetrahydrofuran for 0.1h; Ambient temperature;98%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

155321-91-8

(-)-syn-(3R,1'R)-α-(hydroxyethyl)-γ-butyrolactone

Conditions
ConditionsYield
In N,N-dimethyl-formamide under 375030 Torr; Ambient temperature; Saccharomyces cerevisiae ML29;98%
In N,N-dimethyl-formamide at 26℃; for 24h; Yarrowia lipolytica Y5;95%
With nicotinic acid; ammonium sulfate; potassium dihydrogenphosphate; 5-hydroxy-6-methyl-3,4-pyridinedimethanol; D-glucose; D-myo-inositol; vitamin B1; boric acid; calcium (R)-pantothenate; magnesium sulfate; copper(II) sulfate; zinc(II) sulfate; potassium iodide; calcium chloride; manganese(ll) chloride; iron(II) chloride; biotin In ethanol; water at 29℃; for 96h; Yarrowia lipolytica PFL9CE;69%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

292638-85-8

acrylic acid methyl ester

280568-02-7

3-acetyl-2-oxotetrahydrofuran-3-propanoic acid methyl ester

Conditions
ConditionsYield
With polystyrene supported P1 iminophosphorane P-BEMP In tetrahydrofuran at 20℃; for 3h; Michael addition;98%
With sodium hydride In tert-butyl alcohol at 35℃; for 4h; Michael addition;96%
With 1,4-diaza-bicyclo[2.2.2]octane; water at 20℃; Michael addition;95%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

106-47-8

4-chloro-aniline

64620-30-0

3-[(Z)-1-(4-chloro-anilino)-ethylidene]-dihydro-furan-2-one

Conditions
ConditionsYield
With cerium(III) chloride; tetrabutylammomium bromide at 20℃; for 0.0833333h;98%
With β‐cyclodextrin In water at 20℃; for 0.333333h; chemospecific reaction;95%
With tris(trifluoroacetato)bismuth(III); tetrabutylammomium bromide at 20℃; for 0.0833333h;93%
cerium(III) chloride In water at 20℃; for 0.0833333h;88%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

101-80-4

4,4'-oxydiphenylene diamine

C24H24N2O5

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 12h; Heating;98%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

41601-44-9

3-amino-4,6-dimethylpyrazolo[3,4-b]pyridine

1220997-01-2

3-(2-hydroxyethyl)-2,8,10-trimethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-ol

Conditions
ConditionsYield
In diphenylether at 220 - 225℃; for 0.25h;98%
673-32-5

1-Phenylprop-1-yne

517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

A

3-acetyl-3-(1-phenylallyl)dihydrofuran-2(3H)-one

B

α-acetyl-α-(trans-cinnamyl)-γ-butyrolactone

Conditions
ConditionsYield
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; bis[2-(diphenylphosphino)phenyl] ether; ytterbium(III) triflate In 1,2-dichloro-ethane at 70℃; for 48h; Schlenk technique; Inert atmosphere; Glovebox; Sealed tube; diastereoselective reaction;A 98%
B n/a
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

765-43-5

Cyclopropyl methyl ketone

Conditions
ConditionsYield
With sodium iodide at 192℃; under 4500.45 Torr; Reagent/catalyst; Temperature; Pressure;97.12%
Stage #1: 3-acetyl-2-oxo-4,5-dihydrofuran With hydrogenchloride In water at 100℃; for 2h;
Stage #2: With sodium hydroxide In water at 80 - 100℃; for 2h;
90.2%
With 1-methyl-pyrrolidin-2-one; sodium iodide at 170℃; for 3h;59%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

4519-46-4

methyl 2-bromoacrylate

methyl 1-methylene-6-oxo-2,7-dioxaspiro[4,4]nonane-3-carboxylate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran Ambient temperature;96%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at -78 - -50℃; for 2h; domino Michael-O-alkylation;96%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

106-49-0

p-toluidine

64620-32-2

3-[(Z)-1-(4-toluidino)ethylidene]-dihydro-furan-2-one

Conditions
ConditionsYield
With β‐cyclodextrin In water at 20℃; for 1h; chemospecific reaction;96%
ammonium cerium(IV) nitrate at 20℃; for 1.16667h;95%
zirconium(IV) chloride at 20℃; for 0.5h;92%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

141-43-5

ethanolamine

3-[1-(2-hydroxyethylamino)ethylidene]tetrahydrofuran-2-one

Conditions
ConditionsYield
With tris(trifluoroacetato)bismuth(III); tetrabutylammomium bromide at 20℃; for 0.166667h;96%
With β‐cyclodextrin In water at 20℃; for 1.33333h; chemospecific reaction;95%
With tris(trifluoroacetato)bismuth(III) In water at 20℃; for 10h;93%
With cerium(III) chloride; tetrabutylammomium bromide at 20℃; for 0.0833333h;92%
cerium(III) chloride In water at 20℃; for 0.166667h;85%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

65185-68-4

(E)-2-bromo-β-nitrostyrene

3-acetyl-3-(1-(2-bromophenyl)-2-nitroethyl)dihydrofuran-2(3H)-one

Conditions
ConditionsYield
With 3-((3,5-bis(trifluoromethyl)benzyl)amino)-4-((2-(dimethylamino)ethyl)-amino)cyclobut-3-ene-1,2-dione In toluene at 25℃; for 24h; Michael Addition; Inert atmosphere;96%
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

74-88-4

methyl iodide

1123-19-9, 112607-28-0, 112607-29-1

3-acetyl-3-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With potassium carbonate In acetone at 50℃; for 16h; Large scale;95%
Stage #1: 3-acetyl-2-oxo-4,5-dihydrofuran With sodium methylate In benzene
Stage #2: methyl iodide Further stages.;
83%
With potassium carbonate In acetone80%
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  • 2-acetylbutyrolactone CAS 517-23-7 C6H8O3

  • Casno:

    517-23-7

    2-acetylbutyrolactone CAS 517-23-7 C6H8O3

    Min.Order: 20 Metric Ton

    FOB Price:  USD $ 20.0-20.0/Metric Ton

    α-乙酰基-γ-丁内酯,简称ABL,CAS#517-23-7,分子式C6H8O3,结构式,分子量128.13,无色透明至淡黄色液体,沸点253.1℃ (常压),闪点128.3℃(开杯)。是一种重要的有机化工原料,广泛应用于制备维生素B1以及叶绿素的中间体,还可用于医药工业制造抗心绞痛药物延心痛等药品。 产品执行标准:Q/PMQ005-2014;产品质量规格如下表: 项 目 指

    Changsha EASCHEM is a leading company in marketing ang distributing chemicals and new materials with establishment in 2013 by reregistering from Easchem International from China.

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  • a-Acetobutyrolactone

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    517-23-7

    a-Acetobutyrolactone

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  • High quality 2-Acetylbutyrolactone

  • Casno:

    517-23-7

    High quality 2-Acetylbutyrolactone

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    Business Type:Lab/Research institutions

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    Founded in 2008, East Chemsources Limited is a professional manufacturer of supplier in food and beverage, pharmaceuticals, cosmetics and other industries. pharmaceutical field in

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    Business Type:Lab/Research institutions

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    Business Type:Lab/Research institutions

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    Business Type:Other

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    Address:No.43, Xinandu Industrial Park, East and West Lake District, Wuhan, Hubei, China

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    Business Type:Trading Company

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

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    HUBEI AOKS BIO-TECH CO.,LTD is located in Hubei province of China.We specialized in Active pharmaceutical ingredient,pharmaceutical intermediates,veterinary drug intermediates and

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

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    Address:28F,China Construction Third Bureau,Wuhan,Hubei Province, China

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    Business Type:Trading Company

    Tel:+86-18871490254

    Address:High-tech Industrial Park,Tianmen city,Hubei province.

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-21-52196435

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  •  Henan Wentao Chemical Product Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-370-2722992

    Address:32 Room, 5th Floor, Building 11, No. 6 Yinxing Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province

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    517-23-7

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    Business Type:Trading Company

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    517-23-7

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    Business Type:Trading Company

    Tel:86-431-81915458

    Address:Room 302, 47 Changping Street, Chaoyang District, Changchun, Jilin Province,China

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    Business Type:Trading Company

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    Business Type:Trading Company

    Tel:13633214322

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    WUHAN WONDA PHARMACEUTICAL AND CHEMICAL LIMITED is specializing in custom synthesis, manufacture and import & export of nootropics, herbal extract, OLED etc. Wuhan Wonda Pharm & Ch

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    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:027-84306245

    Address:Wuhan Private Science and Technology Park , Wuhan, China

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    517-23-7

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    Shaanxi Mingqi Chemical Co., Ltd is committed to the development of import and export trade in the production, operation and plant extracts of pharmaceutical raw materials and inte

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    Business Type:Lab/Research institutions

    Tel:18092428356

    Address:Weiyang District

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  • 2-Acetylbutyrolactone with lowest price CAS:517-23-7

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    517-23-7

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    Enbridge PharmTech Co., Ltd. is an innovative company integrated with R&D, manufacturing, marketing and distribution of intermediates and fine chemicals, mainly used to pharmaceuti

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     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-510-83591909

    Address:Huishan Zone, Wuxi City, Jiangsu Province, P.R.China

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    Run-Biotech provides a broad and integrated portfolio of services throughout the drug R&D process. Our services are designed to help our worldwide customers shorten the discovery and development time and lower the cost of drug and medical devic

    Dine products include organic reagents, inorganic reagents and biochemical reagents, including pharmaceutical intermediates, bulk drugs, catalysts, high purity solvents, specialty

  •  Shanghai Run-Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-21-57171705 / 57171706

    Address:No.787, Kangqiao Road, Pudong New District, Shanghai, China

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  •  Career Henan Chemical Co

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    Business Type:Lab/Research institutions

    Tel:+86-371-86658258

    Address:Building 3 of Innovation Park, East District of the National University Science Park

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    517-23-7

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    Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

    Shanghai BetterBioChem Co., Ltd. specializes in research, production of APIs, building blocks and key pharmaceutical intermediates. We provide our products from milligrams to kilog

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-18013506594

    Address:No. 8 Building, 18 nong, Xi Yingnan Road, Pudong, Shanghai,China

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    517-23-7

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    Prime Molecular Co., Ltd. is an advanced chemical intermediates manufacture with ?two R&D centers and two production sites in China, all well-equipped with dedicated and profession

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    Business Type:Trading Company

    Tel:0852-95636137

    Address:Hong Kong

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    517-23-7

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    Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

    Shandong Hanjiang Chemical Co., Ltd. is located in Qilu Petrochemical Industrial Park, Zibo City, Shandong Province, involving pesticide, medicine, chemical industry, coating, dy

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    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

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    span lang="EN-US" style="font-size: 9.0pt;font-family:"Arial",sans-serif;color:#4D4D4D">As a leading manufacturer and supplier of chemicals in china, weckchem not only supply popular chemicals, but also weckchem’s r&d center off

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    517-23-7

    2-Acetylbutyrolactone

    Min.Order: 0

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  • High Quality  2-Acetylbutyrolactone

  • Casno:

    517-23-7

    High Quality 2-Acetylbutyrolactone

    Min.Order: 1 Gram

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Specification

The 2-Acetylbutyrolactone, with the CAS registry number 517-23-7, is also known as 3-Acetyldihydro-2(3H)-furanone. It belongs to the product categories of Ketone; Furan & Benzofuran; Carbonyl Compounds; Lactones; Organic Building Blocks; Heterocycles; Intermediates & Fine Chemicals; Pharmaceuticals. Its EINECS registry number is 208-235-2. This chemical's molecular formula is C6H8O3 and molecular weight is 128.13. What's more, its IUPAC name is called 3-Acetyloxolan-2-one. It should be stored in a cool, dry and sealed place.

Physical properties about 2-Acetylbutyrolactone are: (1)ACD/LogP: -1.217; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.22; (4)ACD/LogD (pH 7.4): -1.22; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 5.19; (8)ACD/KOC (pH 7.4): 5.19; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 43.37 Å2; (13)Index of Refraction: 1.459; (14)Molar Refractivity: 29.388 cm3; (15)Molar Volume: 107.507 cm3; (16)Polarizability: 11.65×10-24cm3; (17)Surface Tension: 39.39 dyne/cm; (18)Density: 1.192 g/cm3; (19)Flash Point: 128.244 °C; (20)Enthalpy of Vaporization: 49.045 kJ/mol; (21)Boiling Point: 253.078 °C at 760 mmHg; (22)Vapour Pressure: 0.019 mmHg at 25 °C.

Preparation of 2-Acetylbutyrolactone: this chemical can be prepared by oxirane with acetoacetic acid methyl ester. This reaction needs reagent sodium hydroxide and solvents H2O, ethanol at temperature of -5 – 0 °C. The reaction time is 50 hours. The yield is 78 %.

2-Acetylbutyrolactone can be prepared by oxirane with acetoacetic acid methyl ester.

Uses of 2-Acetylbutyrolactone: (1) it is an important intermediate to synthesize vitamin B,3,4 - disubstituted pyridine and 5-(β-hydroxyethyl) -4- methyl-thiazole. (2) it is used to produce other chemicals. For example, it can react with methanol to get 2-methyl-4,5-dihydro-furan-3-carboxylic acid methyl ester. The reaction occurs with reagent hydrogen chloride and other condition of heating for 4 days. The yield is 19 %.

2-Acetylbutyrolactone can react with methanol to get 2-methyl-4,5-dihydro-furan-3-carboxylic acid methyl ester.

When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C1OCCC1C(=O)C
(2) InChI: InChI=1S/C6H8O3/c1-4(7)5-2-3-9-6(5)8/h5H,2-3H2,1H3
(3) InChIKey: OMQHDIHZSDEIFH-UHFFFAOYSA-N