Oxygenated Cyclopentenones via the Pauson–Khand Reaction of Silyl Enol Ether Substrates
作者:Paul Shaw、Storm J. Hassell-Hart、Gayle E. Douglas、Andrew G. Malcolm、Alan R. Kennedy、Gemma V. White、Laura C. Paterson、William J. Kerr
DOI:10.1021/acs.orglett.2c00856
日期:2022.4.15
We report here the application of silyl enol ether moieties as efficient alkene coupling partners within cobalt-mediated intramolecular Pauson–Khand reactions. This cyclization strategy delivers synthetically valuable oxygenated cyclopentenone products in yields of ≤93% from both ketone- and aldehyde-derived silyl enol ethers, incorporates both terminal and internal alkyne partners, and delivers a
我们在此报告了甲硅烷基烯醇醚部分在钴介导的分子内 Pauson-Khand 反应中作为有效烯烃偶联伙伴的应用。这种环化策略从酮和醛衍生的甲硅烷基烯醇醚中以 ≤93% 的产率提供合成有价值的氧化环戊烯酮产品,并结合了末端和内部炔烃伙伴,并提供了各种装饰系统,包括更复杂的三环结构。甲硅烷基保护基团的轻松去除揭示了可能进一步详细说明的含氧位点。