Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | 1,3-Bis(diphenylphosphino)propane | HCID 81219 | — |
| Reactant | Toluene ethylacetate | HCID 21584019 | — |
| Reactant | HCID 53420556 | HCID 53420556 | — |
| Catalyst | palladium(II) acetate | HCID 167845 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 57458159 | HCID 57458159 | 94% |
Reaction Steps
A mixture of 2-bromo-6-tert-butylnaphthalene (980 mg, 3.72 mmol), palladium acetate (84 mg, 0.37 mmol), 1,3-bis(diphenylphosphino)propane (153 mg, 0.37 mmol) and triethylamine (1.56 ml, 11.2 mmol) in methanol (6 ml) and DMF (10 ml) was heated at 80° C. under carbon monoxide gas pressure (balloon) for 15 hours. After cooling to ambient temperature, the mixture was diluted with ethyl acetate-toluene (8:1)(160 ml) and filtered through a pad of celite. The filtrate and washings were washed with water, brine, dried over sodium sulfate and evaporated in vacuo to give the crude product which was purified through silica gel column chromatography, eluting with hexane/EtOAc (10:1), to furnish the title compound as colorless oil (843 mg, 94%). 1H NMR (300 MHz, CDCl3): δ 1.43 (9H, s), 3.97 (3H, s), 7.61-7.67 (1H, m), 7.79-7.93 (3H, m), 8.01-8.07 (1H, m), 8.57 (1H, br, s).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07964732B2 |
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| Source dataset | uspto-grants-2011_06 |
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| ORD ID | ord-ee0e258f3c404104b8c016b13e7d92b9 |
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| Source note | uspto-grants-2011_06 |
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