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ChemicalBook--->CAS DataBase List--->2960-66-9

2960-66-9

2960-66-9 Structure

2960-66-9 Structure
IdentificationBack Directory
[Name]

ETHYL TRANS-4-OXO-2-BUTENOATE
[CAS]

2960-66-9
[Synonyms]

ethyl fumaraldehydate
ethyl 3-formylacrylate
Ethyl 4-oxobut-2-enoate
(E)-Ethyl 4-oxobut-2-enoate
Minodronic Acid Impurity 24
ethyl (E)-4-oxobut-2-enoate
trans-4-oxo-2-butenoate, 96%
ETHYL TRANS-4-OXO-2-BUTENOATE
Ethyl trans-4-oxy-2-butenoate
Ethyltrans-4-oxo-2-butenoate,96%
Trans-4-oxy-2-butenoic acid ethyl ester
2-Butenoic acid, 4-oxo-, ethyl ester, (2E)-
TIANFU-CHEM - ETHYL TRANS-4-OXO-2-BUTENOATE
Ethyl 3-formylacrylate~Ethyl fumaraldehydate~trans-4-Oxo-2-butenoic acid ethyl ester
[EINECS(EC#)]

1592732-453-0
[Molecular Formula]

C6H8O3
[MDL Number]

MFCD00236170
[MOL File]

2960-66-9.mol
[Molecular Weight]

128.13
Chemical PropertiesBack Directory
[Melting point ]

-9°C
[Boiling point ]

184-188°C
[density ]

1,063 g/cm3
[refractive index ]

1.4550
[Fp ]

68°C
[storage temp. ]

Inert atmosphere,Store in freezer, under -20°C
[Water Solubility ]

Slightly soluble in water(2.6 g/L at 25°C).
[BRN ]

8762336
Safety DataBack Directory
[Risk Statements ]

25-34-43
[Safety Statements ]

23-36/37/39-45-24/25
[RIDADR ]

2927
[HazardClass ]

8
[PackingGroup ]

III
[HS Code ]

29183000
Hazard InformationBack Directory
[Chemical Properties]

Clear yellow-green liquid
[Uses]

Ethyl trans-4-oxo-2-butenoate is an intermediate used to synthesize pharmaceutically active molecules. It is also used in the asymmetric catalytic alkynylation of acetaldehyde, producing attractive synthons with broad applications, such as (+)-Tetrahydropyrenophorol.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 49, p. 3421, 1984 DOI: 10.1021/jo00192a047
Synthetic Communications, 18, p. 1913, 1988 DOI: 10.1080/00397918808068257
Tetrahedron Letters, 31, p. 2145, 1990 DOI: 10.1016/0040-4039(90)80094-3
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