Pyridinium chloride → HCID 21469456, compound

Participants

Reaction Steps

A mixture of 1.6 g of 3-[1-(4-(indol-3-yl)butyl)-4-piperidyl]-5-methoxyindole [which can be prepared according to Example 1], 1.8 g of pyridine hydrochloride and 50 ml of pyridine is boiled for 3 hours. The mixture is cooled, the solvent is evaporated and the residue is worked up in a conventional manner and gives 3-[1-(4-(indol-3-yl)butyl)-4-piperidyl]-5-hydroxyindole, m.p. 178°-180°.

Provenance & Evidence