HCID 20456652, compound → HCID 15589122, compound

Participants

Reaction Steps

A solution of 2.1 of sodium nitrite in 25 ml of water was added drop-by-drop to a stirred solution of 6.7 g of 7B in 150 ml of 12% hydrochloric acid at 2° C. The resulting mixture was stirred at room temperature for 12 hours, then was filtered. Recrystallization of the filter cake from ether/hexane gave 7, as a solid, m.p.: 164°-166° C.

Provenance & Evidence