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首页> 外文期刊>Organic & biomolecular chemistry >Exploiting Sm(II) and Sm(III) in SmI_2-initiated reaction cascades: application in a tag removal-cyclisation approach to spirooxindole scaffolds
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Exploiting Sm(II) and Sm(III) in SmI_2-initiated reaction cascades: application in a tag removal-cyclisation approach to spirooxindole scaffolds

机译:在SmI_2引发的反应级联反应中利用Sm(II)和Sm(III):在螺环吲哚支架的标签去除环化方法中的应用

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摘要

A tag removal-cyclisation sequence is described that is initiated by reduction using a Sm(II) species and completed by a Sm(III) Lewis acid that is formed in an earlier stage. Therefore, the reaction cascade utilises both oxidation states of a samarium reagent in discrete steps and allows access to privileged, pyrrolidinyl-spirooxindole scaffolds and analogues inspired by the anti-cancer natural product spirotryprostatin A.
机译:描述了一种标签去除环化序列,该序列通过使用Sm(II)物种还原而起始,并由在较早阶段形成的Sm(III)Lewis酸完成。因此,反应级联反应在不连续的步骤中利用了reagent试剂的两种氧化态,并允许使用受抗癌天然产物螺旋菌前列腺素A启发的特权,吡咯烷基-螺氧并吲哚骨架和类似物。

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  • 来源
    《Organic & biomolecular chemistry》 |2011年第14期|p.5104-5108|共5页
  • 作者单位

    School of Chemistry, University of Manchester, Oxford Road, Manchester,UKM13 9PL;

    School of Chemistry, University of Manchester, Oxford Road, Manchester,UKM13 9PL;

    School of Chemistry, University of Manchester, Oxford Road, Manchester,UKM13 9PL;

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