Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methyl Acrylate | HCID 7294 | — |
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Triphenylphosphine | HCID 11776 | — |
| Reactant | 4-Bromophenyl cyclopropyl ketone | HCID 81394 | — |
| Catalyst | palladium(II) acetate | HCID 167845 | — |
| Product | HCID 1474745 | HCID 1474745 | 47.1% |
Reaction Steps
A mixture of (4-bromophenyl)-(cyclopropyl)methanone (0.450 g, 2.00 mmol), palladium acetate 49 mg, 0.220 mmol), triphenylphosphine (55 mg, 0.21 mmol), methyl acrylate (0.43 g, 2.50 mmol) and triethylamine (10 ml, 72 mmol) was heated to 100° C. for 48 in a closed reaction vial. The reaction mixture was cooled to room temperature. The solid was removed by filtration. A mixture of ice and 1 N hydrochloric acid was added to the liquid. The mixture was stirred for 1 h at room temperature. It was extracted with ethyl acetate (2×150 ml). The combined organic layers were washed with a saturated aqueous solution of sodium hydrogencarbonate (100 ml) and dried over magnesium sulphate. The solvent was removed in vacuo. The crude product was purified by flash chromatography on silica (40 g) using a mixture of dichloromethane/ethyl acetate/heptane (1:1:1) as eluent, to give 217 mg of (E)-3-(4-(cyclopropanecarbonyl)phenyl)acrylic acid methyl ester.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07101898B2 |
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| Source dataset | uspto-grants-2006_09 |
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| ORD ID | ord-e2aac1089cfd45189cd6646ce92bc719 |
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| Source note | uspto-grants-2006_09 |
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