Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | (Pyridin-4-yl)boronic acid | HCID 2734379 | — |
| Reactant | HCID 86718010 | HCID 86718010 | — |
| Catalyst | HCID 178418397 | HCID 178418397 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 86718011 | HCID 86718011 | — |
Reaction Steps
The mixture of (R)-4-bromo-2,5-dimethyl-2,3-dihydrobenzofuran-7-amine (3g) (1.0 g, 4.3 mmol), pyridin-4-ylboronic acid (1.08 g, 8.77 mmol), Cs2CO3 (3.56 g, 10.9 mmol), Pd(PPh3)4 (0.506 g, 0.438 mmol) and water (9 mL) in DMF (44 mL) was stirred at 135° C. under N2 for 1 h. It was cooled to ambient temperature, poured into water (50 mL), extracted with EtOAc (150 mL, washed with water, brine, dried and concentrated. The residue was purified by column chromatography on silica gel eluting with hexanes/EtOAc (20:1 to 5:1 to 1:1) to give the title compound (3h) as a solid. MS-ESI (m/z): 241 (M+1)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09206166B2 |
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| Source dataset | uspto-grants-2015_12 |
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| ORD ID | ord-94dbb8de730440d2aae66504afb3c61b |
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| Source note | uspto-grants-2015_12 |
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