Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 1-Bromo-4-fluorobenzene | HCID 9993 | — |
| Reactant | Npc164516 | HCID 79038 | — |
| Reactant | Butyllithium | HCID 178418339 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Solvent | Hexane | HCID 8058 | — |
| Product | HCID 15205888 | HCID 15205888 | 66.8% |
Reaction Steps
A mixture of dry ether (600 ml) and 15% BuLi in hexane (500 ml) was cooled to -45° C. A solution of 4-bromo-1-fluorobenzene (145 g) in dry ether (350 ml) was added dropwise at -45° C. followed by stirring for 1 h. A solution of 8-methyl-8-azabicyclo[3,2,1]octan-3-one (85 g) in dry ether (400 ml) was added dropwise at -50° C. followed by stirring for 30 min, the temperature raising to -20° C. The reaction mixture was poured into 2 M hydrochloric acid and the phases separated. The ether phase was extracted with 2 M hydrochloric acid and the combined aqeous phases made alkaline with aqeous NaOH. Extraction with ethyl acetate, drying of the organic phase over magnesium sulfate and removal of solvent in vacuo, gave 3-(4-fluorophenyl)-3-hydroxy-8-methyl-8-azabicyclo(3,2,1]octane (96 g) as a solid, mp: 169° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05807871 |
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| Source dataset | uspto-grants-1998_09 |
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| ORD ID | ord-9753103a8a3e433598066f7f006d0b7c |
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| Source note | uspto-grants-1998_09 |
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