An atom-economic reaction sequence on a multigram scale for synthesizing 2-pyrone was developed starting from furfuryl alcohol, a renewable resource made from bran or bagasse, utilizing a large-scale thermal rearrangement of cyclopentadienone epoxide as the key step. Additionally, 6-substituted 2-pyrone natural product derivatives are readily accessible by this approach.
从
糠醇(一种由麸皮或甘蔗渣制成的可再生资源)开始,利用
环戊二烯酮环氧化物的大规模热重排作为关键步骤,开发了用于合成 2-
吡喃酮的多克级原子经济反应序列。此外,通过这种方法很容易获得 6-取代的 2-
吡喃酮天然产物衍
生物。