Phenol → 2-Nitro-5-phenoxytoluene

反応式

[OH-].[K+].[C:3]1([OH:9])[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.F[C:11]1[CH:12]=[CH:13][C:14]([N+:18]([O-:20])=[O:19])=[C:15]([CH3:17])[CH:16]=1>[OH-].[Na+]>[N+:18]([C:14]1[CH:13]=[CH:12][C:11]([O:9][C:3]2[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=2)=[CH:16][C:15]=1[CH3:17])([O-:20])=[O:19]

参加物

実験手順

Combine potassium hydroxide (3 g, 0.054 mol) and phenol (15 g, 0.16 mol), and heat to 110° C. until the potassium hydroxide is dissolved. Cool the mixture to room temperature and add 5-fluoro-2-nitrotoluene (7.75 g, 0.05 mol) in one aliquot. Heat the reaction mixture to 130° C. for 30 min, cool to room temperature, and then pour into 10% NaOH (200 mL). Extract the aqueous solution with ether (2×100 mL), combine the organic layers and wash with 10% NaOH (2×100 mL), water (2×100 mL), dry over Na2SO4 and concentrate in vacuo. Chromatograph on silica gel eluting with hexanes/ethyl acetate to give 2-nitro-5-phenoxytoluene as a solid: 1H NMR (300 MHz, CDCl3) 2.59 (s, 3H), 6.81–6.85 (m, 2H), 7.06–7.09 (m, 2H), 7.22–7.26 (m, 1H), 7.40–7.45 (m, 2H), 8.03–8.06 (m, 1H).