Water → 4,5-Dichloro-2-methoxybenzoic acid

Beteiligte Stoffe

Reaktionsschritte

A mixture of 4-chloro-2-methoxybenzoic acid (10 g, 53.6 mmol) and NCS (35 g, 19.2 mmol) in acetonitrile (200 mL) was stirred at room temperature for 48 h. The mixture was poured into water and extracted with ethyl acetate. The organic layer was washed with water and brine, dried over Na2SO4 and concentrated in vacuo to get the crude product (23.3 g).

Herkunft & Nachweise