Metastable phosphorus neutral monoradical: a key intermediate in the bicyclic cage formation
Metastable phosphorus neutral monoradical: a key intermediate in the bicyclic cage formation
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亚稳态磷中性单自由基：双环笼形成的关键中间体。
DOI：
10.1039/c8dt04842h
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发表时间：
2019-02-28
影响因子：
4
通讯作者：
Li, Zhongshu
中科院分区：
文献类型：
--
作者：
Chen, Xiaodan;Hinz, Alexander;Li, Zhongshu
在双自由基(LCP)(2)(L=卡宾)与不饱和底物之间通过[2+2]环加成反应形成双环笼的关键中间体被分离出来，并进行了充分的表征，包括X射线衍射分析。该中间体的分离证明了该环加成反应是循序渐进的，而不是协同反应。
A key intermediate in the formation of a bicyclic cage formed between a biradical (LCP)(2) (L = carbene) and an unsaturated substrate via a [2 + 2] cycloaddition reaction has been isolated and fully characterized including by X-ray diffraction analysis. The isolation of this intermediate proves that this cycloaddition reaction proceeds stepwise which is preferred over a concerted mechanism.