ETHYL TRANS-4-OXO-2-BUTENOATE
- CAS NO.：2960-66-9
- Empirical Formula: C6H8O3
- Molecular Weight: 128.13
- MDL number: MFCD00236170
- EINECS: 1592732-453-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-11-13 15:46:25
What is ETHYL TRANS-4-OXO-2-BUTENOATE?
Chemical properties
Clear yellow-green liquid
The Uses of ETHYL TRANS-4-OXO-2-BUTENOATE
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.
What are the applications of Application
Ethyl trans-4-oxo-2-butenoate is an intermediate used to synthesize pharmaceutically active molecules
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
Properties of ETHYL TRANS-4-OXO-2-BUTENOATE
| Melting point: | -9°C |
| Boiling point: | 184-188°C |
| Density | 1,063 g/cm3 |
| refractive index | 1.4550 |
| Flash point: | 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 information for ETHYL TRANS-4-OXO-2-BUTENOATE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H227:Flammable liquids H301:Acute toxicity,oral H314:Skin corrosion/irritation H317:Sensitisation, Skin H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for ETHYL TRANS-4-OXO-2-BUTENOATE
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