Hydrochloric Acid → Methyl 4-amino-5-chloro-2-methoxybenzoate

HRID 5877

Reaktionsgleichung

Reaktionsgleichung von HRID 5877
[CH3:1][O:2][C:3]1[CH:11]=[C:10]([NH2:12])[C:9]([Cl:13])=[CH:8][C:4]=1[C:5]([OH:7])=[O:6].Cl.[CH3:15]O>>[CH3:1][O:2][C:3]1[CH:11]=[C:10]([NH2:12])[C:9]([Cl:13])=[CH:8][C:4]=1[C:5]([O:7][CH3:15])=[O:6]

Komponenten

4

Versuchsvorschrift

To a solution of 50g of 2-methoxy-4-amino-5-chlorobenzoic acid in 500 ml of methanol is added HCl gas until all the material dissolves. Stirring is continued overnight, the solvent removed, ether added, filtered, dried over magnesium sulfate and evaporated to dryness to obtain methyl 2-methoxy-4-amino-5-chlorobenzoate which is used directly in the next step.

Aufarbeitung

  1. dissolutiondissolves
  2. customthe solvent removed
  3. additionether added
  4. filtrationfiltered
  5. dry with materialdried over magnesium sulfate
  6. customevaporated to dryness

Quellen und Nachweise

ORD-Eintrag
ord-1eb26c95049e45f5a0d34f4298931c2b
Quelldatensatz
uspto-grants-1993_09
Patentnummer
US05246942

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