Pyridinium chloride → HCID 22909362, compound

Participants

Reaction Steps

A mixture of 1.6 g of 2-[2-(4-(5-methoxy-3-indolyl)piperidino)ethyl]-2,3-dihydro-1H-benz[de]isoquinoline-1,3-dione [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, evaporated, worked up in the customary manner and gives 2-[2-(4-(5-hydroxy-3-indolyl)piperidino)ethyl]-2,3-dihydro-1H-benz[de]isoquinoline-1,3-dione.

Provenance & Evidence