Substituent-Controlled Tailoring of Chalcogen-Bonded Supramolecular Nanoribbons in the Solid State,Crystal Growth & Design

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Substituent-Controlled Tailoring of Chalcogen-Bonded Supramolecular Nanoribbons in the Solid State
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2020-12-03 , DOI: 10.1021/acs.cgd.0c01318
Nicolas Biot ₁ , Deborah Romito ₂ , Davide Bonifazi ₂

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In this work, we design and synthesize supramolecular 2,5-substituted chalcogenazolo[5,4-β]pyridine (CGP) synthons arranging in supramolecular ribbons at the solid state. A careful choice of the combination of substituents at the 2- and 5-positions on the CGP scaffold is outlined to accomplish supramolecular materials by means of multiple hybrid interactions, comprising both chalcogen and hydrogen bonds. Depending on the steric and electronic properties of the substituents, different solid-state arrangements have been achieved. Among the different moieties on the 5-position, an oxazole unit has been incorporated on the Se- and Te-congeners by Pd-catalyzed cross-coupling reaction and a supramolecular ribbon-like organization was consistently obtained at the solid state.

中文翻译：

固态硫族键合超分子纳米带的取代基控制剪裁

在这项工作中，我们设计并合成了固态的超分子带中排列的超分子2,5取代硫属元素唑并[5,4-β]吡啶（CGP）合成子。概述了仔细选择CGP支架上2位和5位取代基的组合，以通过包含硫族元素和氢键的多种杂化相互作用完成超分子材料。取决于取代基的空间和电子性质，已经实现了不同的固态排列。在5-位的不同部分中，恶唑单元通过Pd催化的交叉偶联反应掺入到Se和Te同源物上，并且在固态下始终获得超分子带状组织。

更新日期：2021-01-06

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