1-(Bromomethyl)-3-chloro-2-fluorobenzene → (3-Chloro-2-fluorophenyl)methanethiol

Participants

Reaction Steps

A mixture of 3-chloro-2-fluorobenzylbromide (5.0 g), thiourea (3.4 g) in a solvent of ethanol (200 ml) was heated under reflux for 16 hours. The mixture was evaporated to dryness and to the residue was added a solution of sodium hydroxide (30 g) in water (300 ml) and the mixture heated under reflux for 1 hour. Allowed to cool to room temperature and acidified with concentrated hydrochloric acid, the product was extracted into ether to give the subtitle compound as an oil (2.51 g).

Provenance & Evidence