Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hexane | HCID 8058 | — |
| Reactant | 4-Bromothioanisole | HCID 66037 | — |
| Reactant | HCID 22002654 | HCID 22002654 | — |
| Reactant | Butyllithium | HCID 178418339 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 22002640 | HCID 22002640 | — |
Reaction Steps
To a solution of 4-bromothioanisole (2.51 g, 12.3 mmol) in THF (20 mL) at −78° C. was added dropwise a solution of 2.5 M n-butyl lithium in hexane (4.8 mL, 12.0 mmol). The resulting suspension was stirred at this temperature for 1 h and then a solution of 4,4-dimethyl-2-phenyl-2-cyclopenten-1-one from Step 2 (1.25 g, 6.7 mmol) in THF (20 mL) was added slowly via cannula to the cold reaction. The reaction was stirred for 15 min at −78° C. and then for 30 min. at r.t. The reaction was stopped by dilution with NH4OAc buffer 25% w/v and extracted with EtOAc. The organic layer was dried over MgSO4 and concentrated in vacuo. The crude product was purified by flash chromatography eluting with 10% EtOAc/hexanes to give the title compound as a colorless gum.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06222048B1 |
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| Source dataset | uspto-grants-2001_04 |
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| ORD ID | ord-853df2e9017e4ac0a25a780c8055c0b7 |
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| Source note | uspto-grants-2001_04 |
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