Sulfuric Acid → HCID 21837917, compound

Participants

Reaction Steps

200 mg (0.70 mmol) 8 was fed into 10 ml 80% sulfuric acid and kept at room temperature for 6 h. The solution that was obtained was poured into 150 ml ice water, the beige-coloured precipitate was suction filtered and washed with petroleum ether. 180 mg (85%) 35, melting point 93-94° C.

Provenance & Evidence