HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium hydride → 3-Trifluoromethyl-4-(2-(S)-butoxy)benzonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | 4-Fluoro-3-(trifluoromethyl)benzonitrile | HCID 144255 | — |
| Reactant | (+)-2-Butanol | HCID 444683 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 3-Trifluoromethyl-4-(2-(S)-butoxy)benzonitrile | HCID 18446951 | 38.3% |
Reaction Steps
A solution of 1.1 g (5.9 mmol) of 4-fluoro-3-trifluoromethylbenzonitrile and 485 mg (6.5 mmol) of (S)-(+)-2-butanol in 10 mL of THF at −10° C. was treated with 235 mg (5.9 mmol) of sodium hydride. The resulting mixture was stirred cold for 2 h, then quenched with 10 mL of H2O. The quenched solution was extracted with 30 mL of Et2O, dried over MgSO4 and concentrated. Chromatography on a Biotage 40M cartridge using 4:1 v/v hexanes/EtOAc as the eluant afforded 550 mg of the title compound: 1H NMR (500 Mhz) δ 0.99 (t, J=7.6, 3H), 1.35 (d, J=6.2, 3H), 1.58–1.83 (m, 2H), 4.51 (septet, 1H), 7.04 (d, J=8.7, 1H), 7.75 (d, J=8.7, 1H), 7.85 (s, 1H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07199142B2 |
| Source dataset | uspto-grants-2007_04 |
| ORD ID | ord-cb8974e33e8748e7a2d42e68e6fa13cc |
| Source note | uspto-grants-2007_04 |