Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | p-Toluenesulfonic acid monohydrate | HCID 521998 | — |
| Reactant | Thiosemicarbazide | HCID 2723789 | — |
| Reactant | HCID 59216307 | HCID 59216307 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 86618367 | HCID 86618367 | 26.3% |
Reaction Steps
A mixture of methyl 4-(diethoxyacetyl)-2-fluorobenzoate (0.63 g, 0.0022 mol), thiosemicarbazide (0.24 g, 0.0026 mol), and p-toluenesulfonic acid monohydrate (20 mg) in ethanol (6 mL) was heated at 90° C. for 1.5 h. After cooling to RT, to the mixture was added methyl iodide (0.7 mL, 0.01 mol). The mixture was stirred at RT for 1 h. The mixture was concentrated. The residue was dissolved in acetic acid (4 mL), and heated at 60° C. for 2 h. After cooling, the reaction mixture was concentrated. The residue was treated with methanol. The formed precipitate was collected by filtration, and dried in-vacuo to afford the desired product (180 mg). Analytical LCMS: (M+H)+=280.0.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07915408B2 |
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| Source dataset | uspto-grants-2011_03 |
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| ORD ID | ord-044bdbb7eebb492db60590a499cbf32c |
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| Source note | uspto-grants-2011_03 |
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