縮合剤としてのポリ燐酸の応用に関する研究 (第5報)

カルボン酸によるフロログルシン及びそのメチルエーテル類の核アシル化反応

抄録

Phloroglucinol and its methyl ethers undergo nuclear acylation when heated with acetic or propionic acid, in the presence of polyphosphoric acid, for 5-20 minutes on a boiling water bath, yielding 2, 4, 6-triacylphloroglucinol (I, II) and its monomethyl ethers (IV, V) from phloroglucinol and its monomethyl ether, 2, 4-diacyl-3, 5-dimethoxyphenol (VI, VII) from phloroglucinol dimethyl ether, and phloracylphenone trimethyl ether (IX, X) from phloroglucinol trimethyl ether.