Reaktion #10673

ord-f7de456d2ad64a3cbc0a43f8d6ff3aa7

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Sonstige(room temperature, 2 hours)
  2. 2
    SonstigeThe solvent was evaporated under reduced pressure
  3. 3
    workup.ADDITIONthe residue was added with methanol (1 ml) and diethyl ether (3 ml)
  4. 4
    SonstigeThe deposited precipitates
  5. 5
    Filtrationwere collected by filtration
  6. 6
    Waschenwashed with diethyl ether

Vorschrift

According to the method of Example 1, Step C, deprotection was performed (room temperature, 2 hours) by using Intermediate 129 (194 mg) and 10% hydrogen chloride/methanol solution (3.5 ml). The solvent was evaporated under reduced pressure, and the residue was added with methanol (1 ml) and diethyl ether (3 ml). The deposited precipitates were collected by filtration and washed with diethyl ether to obtain the title compound (172 mg).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07094789B2uspto-grants-2006_08