Phosphoric Acid → HCID 74020140, compound

Participants

Reaction Steps

5-Chloro-2,4-dihydroxy-3-(1-hydroxydodecyl)-6-methylbenzaldehyde (33 mg, 0.089 mmol) was stirred in acetic acid (2 ml) in the presence of 85% phosphoric acid (0.024 mmol) at a reflux temperature for 1.5 hours. The reaction mixture was cooled to room temperature. After extractive workup with ethyl acetate, the crude product was purified by silica gel thin-layer chromatography (chloroform) to obtain 5-chloro-3-(1-dodecenyl)-2,4-dihydroxy-6-methylbenzaldehyde (24 mg, yield 76%).

Provenance & Evidence