Pyridinium chloride → HCID 13289994, compound

Participants

Reaction Steps

A mixture of 1.6 mmoles of 6,7-dichloro-5-methoxy-3-phenylbenzo[b]thiophene and 5 g of pyridine hydrochloride is heated at 195° for 30 min. with stirring. The mixture is cooled and triturated with 50 ml of water. The solid material is collected on a filter, air dried and recrystallized from acetone-hexane to give 0.4 g of 6,7-dichloro-5-hydroxy-3-phenylbenzo[b]thiophene as white prisms, mp 157°-159°.

Provenance & Evidence