反応 #51763

ord-c3d67ade9bf444798c75e280e6f8169b

溶媒

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他The crude reaction mixture
  2. 2
    その他was purified by flash silica gel chromatography (5%-50% EtOAc in hexanes as eluents)

実験手順

The title compound was prepared according to the General Method 13 using 5-tert-butyl-2-nitro-phenylamine (prepared in Example PP-2; 170 g, 876 mmol), ammonium thiocyanate (400 g, 5260 mmol), bromine (140 g, 876 mmol), and MeOH (500 mL). The crude reaction mixture was purified by flash silica gel chromatography (5%-50% EtOAc in hexanes as eluents). MS(APCI): 252 (M+H).

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US06852711B2uspto-grants-2005_02