抄録
The only product isolated from the reaction of guaiazulene with mono-, di- or trichloroactic acids in the presence of iron(III) oxide and potassium bromide as catalyst has been proved to be 3-(7-isopropyl-1, 4-dimethylazulene)acetic acid. When anhydrous aluminium chloride was used in place of iron(III) oxide and potassium bromide, only a trace of the product was obtained.
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