Реакция #1265353

ord-64dbb935e0b74bfcaf9e2a7621127afb

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    Фильтрацияfiltered
  2. 2
    Другоеto remove Pd/C
  3. 3
    КонцентрированиеThe filtrate was concentrated in vacuo
  4. 4
    Промывкаeluted with CH2Cl2:MeOH 20:1 to 10:1 (v/v)

Методика

To a solution of compound 4 (1.0 g, 2.4 mmol) in ethanol (20 mL) was added 10% Pd/C (0.3 g) and acetic acid (0.3 mL). The resulting mixture was stirred under an atmosphere of hydrogen for 16 hours and then filtered to remove Pd/C. The filtrate was concentrated in vacuo and the residue was loaded onto a silica gel gravity column (100 g) and eluted with CH2Cl2:MeOH 20:1 to 10:1 (v/v) to afford compound 5 as a oil (0.90 g, 96%).

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US07276286B2uspto-grants-2007_10