反応 #43463

ord-479eea0990784411930dc1e50887c603

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    濃縮The reaction was concentrated
  2. 2
    workup.DISSOLUTIONdissolved in EtOAc
  3. 3
    洗浄washed with water
  4. 4
    乾燥dried over Na2SO4
  5. 5
    濃縮concentrated
  6. 6
    その他Purification by silica gel chromatography (50% EtOAc in hexanes)

実験手順

To a stirred solution of compound 1F in dioxane (50 mL) and 2M KH2PO4 (50 mL) was added NaBH4 (1.0 g, 26.4 mmol) over a 10 min-period, and the stirring was continued at RT for 1 hr. The reaction mixture was diluted with 2M HCl to adjust pH to 1, and stirred at RT for another 1 hr. The reaction was concentrated, dissolved in EtOAc, washed with water, dried over Na2SO4, and concentrated. Purification by silica gel chromatography (50% EtOAc in hexanes) provided the title compound (1.9 g) as a pale yellow oil.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US07732480B2uspto-grants-2010_06