Reacción #51763

Ecuación de reacción

5-tert-butyl-2-nitro-phenylamine

ammonium thiocyanate

bromine

→

title compound

5-tert-Butyl-2-nitro-4-thiocyanato-phenylamine

Disolventes

MeOH

Condiciones de reacción

Tratamiento posterior

1. 1
   OtroThe crude reaction mixture
2. 2
   Otrowas purified by flash silica gel chromatography (5%-50% EtOAc in hexanes as eluents)

Procedimiento

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).

Fuente