Hydrochloric Acid → 2-Fluoro-4-formyl-6-hydroxybenzoic acid
Reaktionsgleichung
[F:1][C:2]1[CH:11]=[C:10]([CH:12]=[O:13])[CH:9]=[C:8]([OH:14])[C:3]=1[C:4]([O:6]C)=[O:5].[OH-].[Na+].Cl.CCO>CO>[F:1][C:2]1[CH:11]=[C:10]([CH:12]=[O:13])[CH:9]=[C:8]([OH:14])[C:3]=1[C:4]([OH:6])=[O:5]Komponenten
6
Edukt 4
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Reaktionsbedingungen
- Temperatur
- 20 °C
Versuchsvorschrift
A mixture of methyl 2-fluoro-4-formyl-6-hydroxybenzoate (Intermediate 7) (300 mg, 1.50 mmol) and aqueous NaOH (2 M, 10 mL) in MeOH (10 mL) was stirred at 20° C. for 5 hours. The mixture was acidified with aqueous HCl until pH=2 followed by a standard aqueous/EtOH workup. The residue was used for next step without further purification.
Aufarbeitung
- customThe residue was used for next step without further purification
Quellen und Nachweise
- ORD-Eintrag
- ord-ad1ccf40f5e240cf85ac44fdce450753
- Quelldatensatz
- uspto-grants-2016_03
- Patentnummer
- US09283213B2
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