Potassium methyl malonate → Methyl 4-(4-fluoro-2-methylphenyl)-3-oxobutanoate
反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]([OH:11])=O)=[C:4]([CH3:12])[CH:3]=1.[K+].[CH3:14][O:15][C:16](=[O:21])[CH2:17]C([O-])=O>>[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9](=[O:11])[CH2:17][C:16]([O:15][CH3:14])=[O:21])=[C:4]([CH3:12])[CH:3]=1参加物
3
実験手順
The title compound was prepared in 78% yield from 2-(4-fluoro-2-methylphenyl)acetic acid and 3-methoxy-3-oxopropanoic acid potassium salt according to the procedure for the preparation of Example 170, part A. 1H NMR (300 MHz, CDCl3): δ 2.24 (3H, s), 3.47 (2H, s), 3.74 (3H, s), 3.83 (2H, s), 6.88-6.94 (2H, m), 7.07-7.12 (1H, m).
出典と根拠
- ORDレコード
- ord-498890a9175f4b8ab7c2fa2c93d173cb
- 出典データセット
- uspto-grants-2015_03
- 特許番号
- US08987461B2
反応ノート
読み込み中…