Potassium methyl malonate → Methyl 4-(4-fluoro-2-methylphenyl)-3-oxobutanoate
Reaktionsgleichung
[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]=1Komponenten
3
Versuchsvorschrift
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).
Quellen und Nachweise
- ORD-Eintrag
- ord-73a1afd33510488eb6117102de992f6d
- Quelldatensatz
- uspto-grants-2015_08
- Patentnummer
- US09107916B2
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