Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hexane | HCID 8058 | — |
| Reactant | 2,6-Dibromopyridine | HCID 12274 | — |
| Reactant | Hexafluoroacetone | HCID 12695 | — |
| Reactant | Butyllithium | HCID 178418339 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 19426938 | HCID 19426938 | — |
Reaction Steps
To a suspension of 2,6-dibromopyridine (2.37 g, 10 mmol) in THF (25 mL) at -70° there was added slowly n-BuLi, 1.4M, in hexane (7.9mL, 11 mmol). The resulting mixture was stirred in the cold until a solution was obtained (10 min). This solution was cannulated into a solution of hexafluoroacetone prepared by bubbling hexafluoroacetone into THF (10 mL) at -70° for 3 min. The resulting reaction mixture was stirred for 15 min., then quenched with an aqueous solution of NH4Cl (8 mL). The suspension was allowed to warm to r.t. and was extracted with Et2O. After drying and evaporation of the organic extract, the residue was chromatographed on silica gel with hexane:EtOAc, followed by bulb-to-bulb distillation to afford the title compound, m.p. 67°-69° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05527827 |
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| Source dataset | uspto-grants-1996_06 |
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| ORD ID | ord-8cbbe35b252c4af6b06050377cc57fb5 |
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| Source note | uspto-grants-1996_06 |
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