cs2co3促进h -磷基化合物与n -甲酰基腙的P-N偶联反应，通过重氮中间体生成n -磷酸基腙

Phosphorus Sulfur and Silicon and The Related Elements Pub Date : 2021-10-27 DOI:10.1080/10426507.2021.1990923

Can Zhang, Xiaojie Li, Ruwei Shen

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摘要

摘要报道了cs2co3促进h -磷酰基化合物与n -甲酰基腙的P-N偶联反应。正式地说，这个转化代表了一个有趣的例子，交换硫和磷的官能团，将n -甲酰基腙转化为n -磷酰腙。该反应可能通过原位生成的重氮中间体被末端氮原子上的h -磷基化合物亲核截获而发生。图形抽象

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Cs2CO3-promoted P-N coupling reaction of H-phosphoryl compounds with N-tosylhydrazones to afford N-phosphorylhydrazones via diazo intermediates

Abstract The Cs2CO3-promoted P-N coupling reaction of H-phosphoryl compounds and N-tosylhydrazones is reported. Formally, this transformation represents an interesting example of exchanging the sulfur and phosphorus functionalities to convert N-tosylhydrazones to N-phosphorylhydrazones. The reaction may take place via the nucleophilic interception of the in-situ generated diazo intermediates by H-phosphoryl compounds at the terminal nitrogen atom. GRAPHICAL ABSTRACT

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Phosphorus Sulfur and Silicon and The Related Elements

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