Reaktion #10675

ord-4a4d632386d0470bab934e0fc7ebc05f

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 131 (76 mg) and 10% hydrogen chloride/methanol solution (2 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 (52 mg).

Quelle

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