HCID 19841389, compound → HCID 19841388, compound

Participants

Reaction Steps

A mixture prepared from 27 g of 8-acetyl-3-chloro-7,8,9,10-tetrahydro-11H-pyrido[3',4':4,5]pyrrolo[2,3-c]quinoline and 200 ml of concentrated hydrochloric acid was heated at reflux for 1 hour, whereupon a solid precipitated. The mixture was stirred overnight at room temperature, and the solid was filtrated and dissolved in 200 ml of water. This solution was made alkaline with 25% sodium hydroxide solution, and the solid-form free base was filtrated and washed with ethanol. The yield was 17 g, mp=285° C. (dec).

Provenance & Evidence