ChemicalBook--->CAS DataBase List--->18621-75-5

18621-75-5

18621-75-5 Structure

18621-75-5 Structure
IdentificationBack Directory
[Name]

2-Butene-1,4-dioldiacetate
[CAS]

18621-75-5
[Synonyms]

1,4-Diacetoxybutene
2-Butenylene acetate
2-Butenylene diacetate
Butene-1,4-diol diacetate
But-2-ene-1,4-diyl diacetate
2-Butene-1,4-diol 1,4-diacetate
2-butene-1,4-dioldiacetate / 1,4-diacetoxy-2-butene
[Molecular Formula]

C8H12O4
[MDL Number]

MFCD00077968
[MOL File]

18621-75-5.mol
[Molecular Weight]

172.18
Chemical PropertiesBack Directory
[Boiling point ]

231℃
[density ]

1.068
[refractive index ]

1.4435
[Fp ]

108℃
[storage temp. ]

2-8°C
[Appearance]

Colorless to light yellow Liquid
[EPA Substance Registry System]

2-Butene-1,4-diol diacetate (18621-75-5)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H320-H335
[Precautionary statements ]

P261-P280-P301+P312-P302+P352-P305+P351+P338
Hazard InformationBack Directory
[Synthesis]

Acetic acid

64-19-7

1,3-Butadiene

106-99-0

1,4-DIACETOXY-2-BUTENE

1576-98-3

The reaction was carried out in an autoclave preloaded with Pd/TiO2 catalyst (Pd loading of 5 mmol), AcOH/DMSO solvent mixture (10:1 by volume, total volume of 2.0 mL), NaOAc (1 mmol), and stirrer. The autoclave temperature was lowered to below 0 °C by liquid nitrogen cooling, followed by the addition of 1,3-butadiene in liquid form and the passage of O2 until the system pressure reached 2.5 atm. The reaction was continued at 50 °C for 24 h. The reaction was carried out at 50 °C. Upon completion of the reaction, the system was cooled to room temperature and the reaction mixture was analyzed by gas chromatography (GC).

[References]

[1] Catalysis Communications, 2016, vol. 87, p. 18 - 22
[2] Tetrahedron, 1969, vol. 25, p. 4809 - 4813
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