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首页> 外文期刊>Crystal growth & design >Substituent effects on the structure and supramolecular assembly of bis(dioxaborole)s derived from 1,2,4,5-tetrahydroxybenzene
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Substituent effects on the structure and supramolecular assembly of bis(dioxaborole)s derived from 1,2,4,5-tetrahydroxybenzene

机译:取代基对1,2,4,5-四羟基苯衍生的双(二氧杂硼杂环戊二烯)的结构和超分子组装的影响

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摘要

The synthesis and structural characterization of bis(dioxaborole)s 1-3, based on 1,2,4,5-tetrahydroxybenzene, are described. The target compounds result from the facile dehydration reaction between the bis-diol and substituted phenyl boronic acids. While substituents on the terminal phenyl rings do not influence the planarity of the extended pi-system through the boroles, they do significantly influence the intermolecular stacking arrangements for these compounds in the solid state. A combination of several weak and medium intermolecular interactions, including traditional pi-stacking, CH-O hydrogen bonding, and a consistent phenyl-boron-phenyl sandwich motif determine the nature of the supramolecular assembly for these bis(dioxaborole)s.
机译:描述了基于1,2,4,5-四羟基苯的双(二氧杂硼烷)s 1-3的合成和结构表征。目标化合物是由双二醇与取代的苯基硼酸之间容易的脱水反应产生的。尽管末端苯环上的取代基不影响通过borole扩展的pi系统的平面性,但它们确实会影响这些固态化合物的分子间堆积排列。几种弱和中等分子间相互作用的结合,包括传统的π堆积,CH-O氢键以及一致的苯基-硼-苯基夹心基序,决定了这些双(二氧杂硼杂环戊烷)的超分子组装体的性质。

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