3,4,6-Trifluoro-5-hydroxyphthalic acid → 2,4,5-Trifluoro-3-hydroxybenzoic Acid

HRID 359961Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 359961
[F:1][C:2]1[C:10]([OH:11])=[C:9]([F:12])[C:8]([F:13])=[C:4](C(O)=O)[C:3]=1[C:14]([OH:16])=[O:15]>O>[F:1][C:2]1[C:10]([OH:11])=[C:9]([F:12])[C:8]([F:13])=[CH:4][C:3]=1[C:14]([OH:16])=[O:15]

Komponenten

3

Edukt 1

HCID 101985873,4,6-Trifluoro-5-hydroxyphthalic acid

Produkt 1

HCID 27342702,4,5-Trifluoro-3-hydroxybenzoic Acid

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

Japanese Patent Application 86/290399 as abstracted in Chem. Abstracts (CA109 (19) 170038e), discloses that 3,5,6-trifluoro-4-hydroxyphthalic acid may be decarboxylated by heating the compound for three hours, in water, under nitrogen atmosphere, at 140° C. (in a sealed tube) to yield 2,4,5-trifluoro-3-hydroxybenzoic acid.

Aufarbeitung

  1. temperatureby heating the compound for three hours

Quellen und Nachweise

ORD-Eintrag
ord-02c5e3564f1648c7b7f6decf3e348f6e
Quelldatensatz
uspto-grants-1991_03
Patentnummer
US05003103

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