Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | HCID 68239677 | HCID 68239677 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 68239709 | HCID 68239709 | 32.1% |
Reaction Steps
To a solution of 5-(3-(1H-indol-2-yl)-4-methoxyphenyl)-2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (100 g, 0.16 mmol) in dichloromethane (2 mL) was added dropwise BBr3 (0.2 mL) at 0° C., Then warmed up to room temperature and stirred for 5 hours. Water was added, extracted with dichloromethane and washed with brine, dried over Na2SO4. After concentrated, the resulting residue was purified using Prep-TLC to provide the product of 2-(4-fluorophenyl)-5-(4-hydroxy-3-(1H-indol-2-yl)phenyl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (30 mg, yield: 31%). 1H-NMR (CDCl3, 400 MHz) δ 9.30 (s, 1H), 8.75 (s, 1H), 7.79˜8.30 (m, 2H), 7.54 (d, J=7.6 Hz, 1H), 7.50 (s, 1H), 7.37 (d, J=1.6 Hz, 1H), 6.91˜7.19 (m, 7H), 6.65 (d, J=1.2 Hz, 1H), 6.01 (d, J=4.4 Hz, 1H), 2.95 (d, J=4.8 Hz, 3H), 2.61 (s, 3H), 2.43 (s, 3H). MS (M+H)+: 584.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09265773B2 |
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| Source dataset | uspto-grants-2016_02 |
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| ORD ID | ord-515eff9f7b244fd49d2ad6e3243808f9 |
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| Source note | uspto-grants-2016_02 |
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