Pyridinium chloride → 2-(4-Hydroxybenzoyl)-3-phenylbenzothiophene

Participants

Reaction Steps

A mixture of 12.0 g. of the product from Example 1 and 35 g. of pyridine hydrochloride was refluxed for 30 minutes. The hot reaction mixture then was poured over ice, and the mixture was transferred to a blender, homogenized, and the resulting crystals were collected by filtration, washed with water, and dried in vacuo at 80° C. to give 11.0 g. (96 percent) of the title compound, m.p. 204°-205° C.

Provenance & Evidence