Hydridostannylene Derivatives of Magnesium and Calcium

IF 3.7 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemistry - A European Journal Pub Date : 2024-12-02 DOI:10.1002/chem.202404416

Dominic B. Kennedy, Kyle G. Pearce, Samuel E. Neale, Louis J. Morris, Mary F. Mahon, John P. Lowe, Claire L. McMullin, Cameron Jones, Michael S. Hill

引用次数: 0

Abstract

Reactions of a m-terphenylhydridostannylene with β-diketiminato magnesium and calcium hydrides provide bis-μ₂-hydrido species, the heterobimetallic constitutions of which are maintained after the addition of THF donor solvent. In both cases, reactions with hex-1-ene result in the formation of tetravalent organostannyl alkaline earth derivatives. Whereas the magnesium reagent undergoes facile twofold addition, the calcium-centered process is arrested after a single alkene reduction event. This contrasting behavior is assessed to result from the heavier alkaline earth element's ability to form a persistent polyhapto interaction with an arene substituent of the m-terphenyl ligand.

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镁和钙的氢乙炔衍生物。

间terphenylhydridostannylene与β-二酮胺氧化镁和钙氢化物反应生成-μ - 2-氢化物，在加入THF供体溶剂后仍保持其杂双金属结构。在这两种情况下，与己-1-烯的反应都会生成四价有机锡基碱土衍生物。镁试剂经历了简单的两次加成，而钙中心过程在一次烯烃还原事件后被阻止。这种对比行为被认为是由于较重的碱土元素能够与间terphenyl配体的芳烃取代基形成持久的聚hapto相互作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chemistry - A European Journal 化学-化学综合

CiteScore

7.90

自引率

4.70%

发文量

1808

审稿时长

1.8 months

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