{"title":"Synthesis and structure of 1,1′,1′′-[(2-bromoethoxy)methanetriyl]tribenzene and 1,1′,1′′-[(2-iodoethoxy)methanetriyl]tribenzene","authors":"Julian Fischer , Marian Hebenbrock","doi":"10.1107/S2056989025001124","DOIUrl":null,"url":null,"abstract":"<div><div>Both compounds crystallized from a saturated solution in THF by slow vapour diffusion of <em>n</em>-hexane in the monoclinic space group <em>P</em>2<sub>1</sub>/<em>c</em>. While the two independent molecules in the asymmetric unit of 1,1′,1′′-[(2-iodoethoxy)methanetriyl]tribenzene show no close contacts to other molecules, in the structure of 1,1′,1′′-[(2-bromoethoxy)methanetriyl]tribenzene the molecules interact with each other by C—H⋯π contacts.</div></div><div><div>The present study reports on the molecular structures and syntheses of 1,1′,1′′-[(2-bromoethoxy)methanetriyl]tribenzene, C<sub>21</sub>H<sub>19</sub>BrO, and 1,1′,1′′-[(2-iodoethoxy)methanetriyl]tribenzene, C<sub>21</sub>H<sub>19</sub>IO. Both compounds crystallized from a saturated solution in THF by slow vapour diffusion of <em>n</em>-hexane in the monoclinic space group <em>P</em>2<sub>1</sub>/<em>c</em>. While the two independent molecules in the asymmetric unit of 1,1′,1′′-[(2-iodoethoxy)methanetriyl]tribenzene show no close contacts to other molecules, in the structure of 1,1′,1′′-[(2-bromoethoxy)methanetriyl]tribenzene the molecules interact with each other <em>via</em> C—H⋯π contacts.</div></div>","PeriodicalId":7367,"journal":{"name":"Acta Crystallographica Section E: Crystallographic Communications","volume":"81 3","pages":"Pages 214-218"},"PeriodicalIF":0.6000,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11891592/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Crystallographica Section E: Crystallographic Communications","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S2056989025000441","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/2/14 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"CRYSTALLOGRAPHY","Score":null,"Total":0}
引用次数: 0
Abstract
Both compounds crystallized from a saturated solution in THF by slow vapour diffusion of n-hexane in the monoclinic space group P21/c. While the two independent molecules in the asymmetric unit of 1,1′,1′′-[(2-iodoethoxy)methanetriyl]tribenzene show no close contacts to other molecules, in the structure of 1,1′,1′′-[(2-bromoethoxy)methanetriyl]tribenzene the molecules interact with each other by C—H⋯π contacts.
The present study reports on the molecular structures and syntheses of 1,1′,1′′-[(2-bromoethoxy)methanetriyl]tribenzene, C21H19BrO, and 1,1′,1′′-[(2-iodoethoxy)methanetriyl]tribenzene, C21H19IO. Both compounds crystallized from a saturated solution in THF by slow vapour diffusion of n-hexane in the monoclinic space group P21/c. While the two independent molecules in the asymmetric unit of 1,1′,1′′-[(2-iodoethoxy)methanetriyl]tribenzene show no close contacts to other molecules, in the structure of 1,1′,1′′-[(2-bromoethoxy)methanetriyl]tribenzene the molecules interact with each other via C—H⋯π contacts.
期刊介绍：
Acta Crystallographica Section E: Crystallographic Communications is the IUCr''s open-access structural communications journal. It provides a fast, simple and easily accessible publication mechanism for crystal structure determinations of inorganic, metal-organic and organic compounds. The electronic submission, validation, refereeing and publication facilities of the journal ensure rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles describing one or more structure determinations with appropriate discussion of the science.
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