Reaktion #61878

ord-ec3ce743e04749299e8162d16b63a862

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Temperaturcooling
  2. 2
    Filtrationthe precipitated crystals were collected by filtration

Vorschrift

The compound (1.86 g) obtained in Example 5 was dissolved in formic acid (7.5 mL) and 8.51 M hydrogen chloride—2-propanol solution (1.98 mL) was added under ice-cooling. The mixture was stirred at the same temperature for 20 min. Diethyl ether (50 mL) was added, and the precipitated crystals were collected by filtration to give the title compound as crystals (1.34 g).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07429612B2uspto-grants-2008_09