Collective syntheses of five spiro[4.5]decane framework bearing sesquiterpenoids, namely, α & β-vetispirenes, β-vetivone, agarospirol and hinesol as well as formal synthesis of axenol and gleenol from a readily available precursor cyclohexanone-β-ketoester via the intermediacy of a versatile intermediate (2,10-dimethylspiro[4.5]dec-1-en-6-one) have been accomplished in a concise manner.
五种带有
倍半萜类的
螺[4.5]癸烷骨架的集体合成,即α和β-vetispirenes,β-vetivone,
琼脂螺菌素和hinesol,以及通过中间剂从易得的前体
环己酮-β-
酮酸酯中正式合成阿森醇和格列醇通用的中间体(2,10-二甲基螺[4.5] dec-1-en-6-one)的合成已经很简洁。