Hydrochloric Acid → HCID 70068021, compound

Participants

Reaction Steps

A solution of 14 g (40.99 mmol) of 1-benzoylspiro(piperidine-4,6'-(6H)thieno[2,3-b]thiopyran)-4'-(5'H)-one in 150 ml of ethanol was treated with 50 ml of 6 N HCl and heated at reflux for 2 days. The reaction was cooled to room temperature and the solid collected by filtration. The solid was dried overnight in vacuo to give 9.03 g of the product. mp=280° C.

Provenance & Evidence