m-Chloroperbenzoic acid → HCID 13520251, compound

Participants

Reaction Steps

Mix 2.84 g (11.83 mmole) of 10,11-dihydrodibenzo[b,f]thiepin-3-carboxaldehyde with 90 ml methylene chloride at 0° C. Add 2.3 g (11.33 mmoles) of 85% m-chloroperbenzoic acid, followed by the addition of 100 ml methylene chloride. Stir for 2 hours, and then add 4.6 g calcium hydroxide to the resulting clear solution at room temperature. After stirring the suspension for 15 minutes, filter to remove the inorganic solid, and evaporate the filtrate containing the dissolved product to dryness, producing as a residue a dry solid comprising the title product. Purify by recrystallization from acetonitrile, m.p. 158.5°-160° C.

Provenance & Evidence