Methanol → (R)-1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethanamine
反応式
[F:1][C:2]1[CH:3]=[C:4]([C@:15]([NH:30][S@@](C(C)(C)C)=O)([C:23]2[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=2)[CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[CH:5]=[C:6]([O:8][C:9]([F:14])([F:13])[CH:10]([F:12])[F:11])[CH:7]=1.CO>Cl.O1CCOCC1>[F:1][C:2]1[CH:3]=[C:4]([C@@:15]([C:23]2[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=2)([NH2:30])[CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[CH:5]=[C:6]([O:8][C:9]([F:14])([F:13])[CH:10]([F:12])[F:11])[CH:7]=1参加物
反応物 2
生成物 1
試薬・触媒・溶媒 2
実験手順
(R)—N—((R)-1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethyl)-2-methylpropane-2-sulfinamide (234 mg, 0.442 mmol) was stirred in 4N HCl in dioxane (1.5 mL) and MeOH (1.5 mL) at room temperature under Ar for 10 min. The reaction mixture was concentrated, and then purified by flash chromatography (silica gel, hexanes/EtOAc) to give (R)-1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethanamine (169 mg, 90%). LC-MS (ESI) 409.16 (M-NH3+H), retention time=3.26 minutes (0-100% MeOH in H2O with 0.1% TFA in 4-min run); Analytical HPLC: 2.52 minutes (0-100% CH3CN in H2O with 0.1% TFA in 4-min run); 1H NMR (400 MHz, CD3OD) δ ppm 7.29-7.50 (m, 2H), 6.87-7.22 (m, 8H), 6.77 (d, J=6.15 Hz, 2H), 6.04-6.48 (m, 1H), 3.57 (s, 2H).
後処理
- concentrationThe reaction mixture was concentrated
- custompurified by flash chromatography (silica gel, hexanes/EtOAc)
出典と根拠
- ORDレコード
- ord-44ec58c68bee4772b0ae673378e05154
- 出典データセット
- uspto-grants-2014_02
- 特許番号
- US08642576B2
反応ノート
読み込み中…