2,4-диацетилфлороглюцинол

Химические свойства

Light Pink Solid

Подготовка

Preparation by Friedel–Crafts acylation of phloroglucinol,
? with acetic acid,
– by using boron trifluoride-acetic acid complex at
28–30° for 18 h (85%)
with acetic anhydride,
– in the presence of boron trifluoride-ethyl ether complex at 20° for 1 h (80%)
– in the presence of zinc chloride at 145–150° for 15 min (25%);
– in the presence of concentrated sulfuric acid (24%)
? with acetyl chloride,
– (4 equiv.) in the presence of ferric chloride
– in ethyl ether in the presence of aluminium chloride at r.t. for 5 days (8).

Определение

ChEBI: A benzenetriol that is phloroglucinol in which two of the ring hydrogens are replaced by acetyl groups.