Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | tert-Butyl acrylate | HCID 15458 | — |
| Reactant | Tri-o-tolylphosphine | HCID 80271 | — |
| Reactant | 3-Bromo-2-fluoroaniline | HCID 22341891 | — |
| Catalyst | palladium(II) acetate | HCID 167845 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 58136639 | HCID 58136639 | — |
Reaction Steps
400 mg (2.10 mmol) of 3-bromo-2-fluoroaniline, 809.42 mg (6.32 mmol) of tert-butyl acrylate and 1.47 ml (10.53 mmol) of triethylamine were initially charged in 2.4 ml of DMF. The reaction vessel was evacuated three times and in each case vented with argon. 47.26 mg (0.21 mmol) of palladium(II) acetate and 128.14 mg (0.42 mmol) of tri-2-tolylphosphine were then added, and the reaction vessel was evacuated two more times and again vented with argon. The mixture was stirred at 145° C. overnight. The reaction mixture was then cooled, added to saturated ammonium chloride solution and extracted three times with ethyl acetate. The combined organic phases were dried over magnesium sulfate and concentrated. The crude product was purified by preparative RP-HPLC (mobile phase: acetonitrile/water gradient). This gave 210 mg (42% of theory) of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08987256B2 |
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| Source dataset | uspto-grants-2015_03 |
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| ORD ID | ord-304f73af51db4006a6f6aa2045170a6b |
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| Source note | uspto-grants-2015_03 |
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