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首页> 外文期刊>Organometallics >Intramolecular oxygen transfer from nitro groups to C C bonds mediated by iridium hydrides
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Intramolecular oxygen transfer from nitro groups to C C bonds mediated by iridium hydrides

机译：氢化铱介导的分子内氧从硝基到C C键的转移

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摘要

The functionalized alkynes o-RC equivalent to C(C6H4)NO2 (R = H or alkyl) formally insert into two iridium hydrides, during which O-transfer of the nitro group into the C equivalent to C bond of o-RC equivalent to C(C6H4)NO2 is observed. For the terminal alkyne with R = H, iridium(III) nitroso complexes were isolated. For internal alkynes with R = Me or Pr-n, iridium hydride anthranil complexes were obtained as a result of O-transfer with a different regiochemistry. Mechanisms for these transformations, including a previously unknown O-transfer step from the nitro to the RC equivalent to C bond, are proposed.
机译：相当于C（C6H4）NO2（R = H或烷基）的官能化炔烃o-RC正式插入两个氢化铱中，在此期间，硝基将O-转移到C中的o-RC相当于C的C键上观察到（C6H4）NO2。对于R = H的末端炔烃，可分离出铱（III）亚硝基配合物。对于R = Me或Pr-n的内部炔烃，由于O-转移和不同的区域化学反应，获得了氢化铱蒽蒽配合物。提出了这些转化的机制，包括先前未知的从硝基到相当于C键的RC的O转移步骤。

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