Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | HCID 12974058 | HCID 12974058 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Product | HCID 12052987 | HCID 12052987 | — |
Reaction Steps
A mixture of ethyl 2-methyl-3-[1-phenylpyrrol-2-yl]propanoate (0.164 mol, 42.1 g) and Claisen's reagent (78 ml) were heated at 90-95° C. for 1 h. After cooling to room temperature, the solution was diluted with 75 g of crushed ice and acidified to pH 1-2 with 6 N HCl. The brown oily precipitate was dissolved in ether, washed with brine solution, dried over MgSO4, and evaporated to an orange oil (21.65 g). The title compound was analysed by 1H-NMR spectroscopy.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06444833B1 |
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| Source dataset | uspto-grants-2002_09 |
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| ORD ID | ord-f1da112343894530bb30c71555bc4e26 |
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| Source note | uspto-grants-2002_09 |
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