Hydrochloric Acid → 2-(4-Fluoro-piperidinyl)-4-amino-5-nitro-benzoic acid

HRID 1189637Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1189637
[F:1][CH:2]1[CH2:7][CH2:6][NH:5][CH2:4][CH2:3]1.Cl.F[C:10]1[CH:18]=[C:17]([NH2:19])[C:16]([N+:20]([O-:22])=[O:21])=[CH:15][C:11]=1[C:12]([OH:14])=[O:13]>CN(C=O)C>[F:1][CH:2]1[CH2:7][CH2:6][N:5]([C:10]2[CH:18]=[C:17]([NH2:19])[C:16]([N+:20]([O-:22])=[O:21])=[CH:15][C:11]=2[C:12]([OH:14])=[O:13])[CH2:4][CH2:3]1

Komponenten

5

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

A mixture of 4-fluoropiperidine×HCl (691 mg, 4.9 mmol), TEA (2.2 ml, 16 mmol), 2-fluoro-4-amino-5-nitro-benzoic acid (900 mg, 4.5 mmol) and DMF (15 mL) is stirred for 4.5 h at 50° C. Then the mixture is concentrated, diluted with water and the precipitate is filtered and dried.

Aufarbeitung

  1. concentrationThen the mixture is concentrated
  2. additiondiluted with water
  3. filtrationthe precipitate is filtered
  4. customdried

Quellen und Nachweise

ORD-Eintrag
ord-35ee84f79cc6462dbbf0a5b683efb792
Quelldatensatz
uspto-grants-2014_03
Patentnummer
US08674113B2

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