Sodium Hydroxide → [2-(4-Bromo-2-fluoro-benzylthiocarbamoyl)-5-fluoro-4-methyl-phenoxy]-acetic acid
反応式
C([O:3][C:4](=[O:27])[CH2:5][O:6][C:7]1[CH:12]=[C:11]([F:13])[C:10]([CH3:14])=[CH:9][C:8]=1[C:15](=[S:26])[NH:16][CH2:17][C:18]1[CH:23]=[CH:22][C:21]([Br:24])=[CH:20][C:19]=1[F:25])C.[OH-].[Na+]>C(O)C>[Br:24][C:21]1[CH:22]=[CH:23][C:18]([CH2:17][NH:16][C:15]([C:8]2[CH:9]=[C:10]([CH3:14])[C:11]([F:13])=[CH:12][C:7]=2[O:6][CH2:5][C:4]([OH:27])=[O:3])=[S:26])=[C:19]([F:25])[CH:20]=1参加物
実験手順
A stirring solution of [2-(4-bromo-2-fluoro-benzylthiocarbamoyl)-5-fluoro-4-methyl-phenoxy]-acetic acid ethyl ester (0.79 g, 1.53 mmol) in ethanol (7.6 mL, 0.2 M) and treated with aqueous NaOH (2 N, 7.4 mL, 9.15 mmol) in an analogous fashion to Example 45, Step 9 to provide [2-(4-bromo-2-fluoro-benzylthiocarbamoyl)-5-fluoro-4-methyl-phenoxy]-acetic acid (0.65 g, 98%) as a yellow solid: mp 162-164° C.; Rf 0.41 (20% methanol in methylene chloride); 1H NMR (DMSO-d6, 300 mHz) δ 10.64 (t, J=5.0 Hz, 1H), 7.61 (d, J=9.0 Hz, 1H), 7.52 (dd, J1=9.6 Hz, J2=1.7 Hz, 1H), 7.45-7.36 (m, 2H), 7.00 (d, J=11.4 Hz, 1H), 4.89 (bd d, J=5.1 Hz, 2H), 4.78 (s, 2H), 2.15 (d, J=1.2 Hz, 3H); ESI-LC/MS m/z calcd for C17H14BrF2NO3S: 428.98; found 428.0 (M−1)−; Anal. calcd for C17H14BrF2NO3S: C, 47.45; H, 3.28; N, 3.26; S, 7.45. Found C, 47.54; H, 3.19; N, 3.11; S, 7.33.
出典と根拠
- ORDレコード
- ord-16dd1f9a0e74469693349a622605bbac
- 出典データセット
- uspto-grants-2002_07
- 特許番号
- US06420426B1
反応ノート
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