Hydrochloric Acid → HCID 21318662, compound

Participants

Reaction Steps

A 0.17 g. sample of dl-4,5,6,7-tetrahydro-4-oxobenzo[b]thiophen-7-amine is stirred in 10 ml. of water, acidified with 3N HCl to pH 3-4, and 0.3 g. of KOCN is added. The mixture is stirred at room temperature for 16 hours, and the title compound is collected by filtration, washed with water and dried. It melts at 238°-242° C. and recrystallization from methanol gives analytical sample of the title compound, m.p. 240°-241° C.

Provenance & Evidence