Ferrocene-Based N-Heterocyclic Plumbylenes [Fe{(η5-C5H4)NSiMe2R}2Pb:]: Influence of the Steric Demand of the N-Substituents on Their Dimerization via C−H Activation with PbII,Chemistry - An Asian Journal

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Ferrocene-Based N-Heterocyclic Plumbylenes [Fe{(η5-C5H4)NSiMe2R}2Pb:]: Influence of the Steric Demand of the N-Substituents on Their Dimerization via C−H Activation with PbII
Chemistry - An Asian Journal ( IF 3.5 ) Pub Date : 2023-05-12 , DOI: 10.1002/asia.202300266
Robin Guthardt ₁ , Hannes L Jacob ₁ , Dominic Herle ₁ , Michael Leibold ₁ , Clemens Bruhn ₁ , Myron Heinz ₂ , Max C Holthausen ₂ , Ulrich Siemeling ₁

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Ferrocene-based N-heterocyclic plumbylenes can undergo a “reactive” dimerization, which involves the cleavage of a C−H bond and the formation of a Pb−C and an N−H bond. Our study using N-silyl substituents SiMe₂R reveals that dimerization becomes increasingly unfavourable with increasing steric demand of the substituents and is not observed for bulky R groups like tert-butyl or mesityl.

中文翻译：

基于二茂铁的 N-杂环铅烯 [Fe{(η5-C5H4)NSiMe2R}2Pb:]：N-取代基的空间需求对其通过 PbII 激活 C−H 进行二聚的影响

基于二茂铁的N-杂环铅烯可以发生“反应性”二聚，其中涉及 C−H 键的断裂以及 Pb−C 和 N−H 键的形成。我们使用N-甲硅烷基取代基 SiMe ₂ R的研究表明，随着取代基空间需求的增加，二聚化变得越来越不利，并且对于叔丁基或异丙叉基等大体积 R 基团没有观察到二聚化。

更新日期：2023-05-12

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