Reaktion #2192187

ord-1bc3b5547da04e498502849c965ca773

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeThe mixture evacuated
  2. 2
    Sonstigeflushed with H2 (3×)
  3. 3
    workup.ADDITIONConc. HCl (2 drops) was added
  4. 4
    workup.STIRRINGthe mixture was stirred under H2 for an additional 18 h
  5. 5
    Filtrationwas filtered
  6. 6
    Einengenconcentrated

Vorschrift

To a solution of 4,6-dimethyl-2-nitroaniline (312 mg) in 5 mL MeOH, was added 10% Pd/C (50 mg). The mixture evacuated and flushed with H2 (3×), then was stirred under an atmosphere of H2 for 6 h. Conc. HCl (2 drops) was added and the mixture was stirred under H2 for an additional 18 h, then was filtered and concentrated to afford 280 mg of Intermediate 179.1, which was used without further purification.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07576098B2uspto-grants-2009_08