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1617-18-1

1617-18-1 Structure

1617-18-1 Structure
IdentificationBack Directory
[Name]

ETHYL 3-BUTENOATE
[CAS]

1617-18-1
[Synonyms]

ETHYL 3-BUTENOATE
ethyl but-3-enoate
2-methyl-3-pentenoate
3-Butenoic acid ethyl ester
but-3-enoic acid ethyl ester
Vinylacetic acid ethyl ester
[Molecular Formula]

C6H10O2
[MDL Number]

MFCD07779251
[MOL File]

1617-18-1.mol
[Molecular Weight]

114.14
Chemical PropertiesBack Directory
[Melting point ]

37.22°C (estimate)
[Boiling point ]

117℃
[density ]

0.904
[refractive index ]

1.4105
[Fp ]

31℃
[form ]

liquid
[LogP]

1.540 (est)
[EPA Substance Registry System]

3-Butenoic acid, ethyl ester (1617-18-1)
Safety DataBack Directory
[HS Code ]

2916199590
Hazard InformationBack Directory
[Synthesis Reference(s)]

Journal of the American Chemical Society, 86, p. 4350, 1964 DOI: 10.1021/ja01074a023
The Journal of Organic Chemistry, 49, p. 1341, 1984 DOI: 10.1021/jo00182a005
[Synthesis]

The synthesis of ETHYL 3-BUTENOATE is as follows:
step one: At room temperature,to a three-necked flask was added 600 parts of toluene,150 parts of triethylamine, 110 parts of ethanol,100 parts of crotonyl chloride were charged in a constant pressure separatory funnel, under electric stirring, toluene.The mixture of triethylamine and ethanol is mixed well, while heating the mixture to 55 °C, then through the constant pressure funnel control crotonyl chloride uniform dropping 1h, reaction overnight, gas chromatography to detect the progress of the reaction, record the reaction time;step two: The reaction is over. The reaction solution is cooled, the liquid is washed twice with water, dried over anhydrous magnesium sulfate, filtering, removing toluene solvent by rotary evaporation, 3-butenoic acid hexyl ester to give a crude product.

step three: The crude 3-butenyl caproate obtained in step two is in a ratio by weight of crude product: silica gel = 3-4: 1 with 120 mesh silica gel dry packing method, then the volume ratio of petroleum ether - ethyl acetate gradient elution, the eluate obtained by eluting with petroleum ether-ethyl acetate in a volume ratio of 200: 1 was recovered, rotary evaporation of petroleum ether - ethyl acetate. The product, hexyl 3-butenoate, weight and calculate yield.
synthesis of ETHYL 3-BUTENOATE.png
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