Ethyl 3-oxo-4-phenylbutanoate
- CAS NO.:718-08-1
- Empirical Formula: C12H14O3
- Molecular Weight: 206.24
- MDL number: MFCD03844818
- EINECS: 226-500-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-23 17:56:10
What is Ethyl 3-oxo-4-phenylbutanoate?
Chemical properties
Light-yellow Liquid.
The Uses of Ethyl 3-oxo-4-phenylbutanoate
Ethyl 3-oxo-4-phenylbutanoate is a useful synthetic intermediate. It is used to prepare pyrazolone derivatives as antiprion compounds. It is also used to prepare pyrrolinylaminopyrimidine analogs as inhibitors of AP-1 and NF-κB mediated gene expression.
Synthesis Reference(s)
Journal of Medicinal Chemistry, 44, p. 78, 2001 DOI: 10.1021/jm001034k
Chemical and Pharmaceutical Bulletin, 30, p. 2440, 1982 DOI: 10.1248/cpb.30.2440
Synthesis
The synthesis of Ethyl 3-oxo-4-phenylbutanoate is as follows:Monoethyl monopotassium malonate (12.9 g, 2.3 equivalents) was mixed with tetrahydrofuran (200 ml), and the mixture was cooled to 5°C. Triethylamine (8.2 g, 2.5 equivalents) and magnesium chloride (8.62 g, 2.8 equivalents) were added, and the mixture was stirred at 5 to 20°C for 3 hours. The reaction mixture was cooled to 5°C. Phenacyl chloride (5 g, 32 mmol, 1 equivalent) was gradually added, and the mixture was stirred at 5 to 20°C for 63 hours. The mixture was cooled to 5°C, and 1 N hydrochloric acid (30 ml) was added. Tetrahydrofuran was evaporated away under reduced pressure, and extraction was carried out with ethyl acetate (50 ml). The organic layer was washed with 1 N hydrochloric acid (30 ml), water (10 ml), saturated aqueous solution of sodium hydrogencarbonate (30 ml) and water (10 ml) in order. The solvent was evaporated away under reduced pressure to obtain the Ethyl 3-oxo-4-phenylbutanoate as a pale yellow oil (5.82 g, yield: 86 %).
Properties of Ethyl 3-oxo-4-phenylbutanoate
Boiling point: | 290℃ |
Density | 1.091 |
refractive index | 1.054-1.059 |
Flash point: | 124℃ |
storage temp. | Inert atmosphere,Room Temperature |
solubility | Chloroform (Slightly), DMSO (Slightly), Methanol (Sparingly) |
form | Oil |
pka | 10.49±0.46(Predicted) |
color | Colourless to Light Yellow |
InChI | InChI=1S/C12H14O3/c1-2-15-12(14)9-11(13)8-10-6-4-3-5-7-10/h3-7H,2,8-9H2,1H3 |
Safety information for Ethyl 3-oxo-4-phenylbutanoate
Computed Descriptors for Ethyl 3-oxo-4-phenylbutanoate
InChIKey | BOZNWXQZCYZCSH-UHFFFAOYSA-N |
SMILES | C1(C=CC=CC=1)CC(=O)CC(=O)OCC |
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