三个十八元大环二胺具有不同的供体原子和主取代基

IF 2.3 4区 化学 Q2 Agricultural and Biological Sciences
Gary L. N. Smith, Douglas R. Powell, Michelle D. Moser, Richard W. Taylor
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引用次数: 0

摘要

报道了1,4,10,13-四氧嘧啶-7,16-二氮杂环十二烷-6,17-二酮,(C12H22N2O6), (I),二苯并[e,q][1,4,10,13,13,7,16]四氧杂环十二烷-6,13-二酮,(C20H22N2O6), (II)和1,4-二氧杂环-10,13-二硫-7,16-二氮杂环十二烷-8,15-二酮,(C12H22N2O4S2), (III)的晶体结构。这三种结构的固态结构显示出不同类型的氢键。在I中,酰胺和羰基之间存在两个分子间氢键[N-H··O = 2.8206(11) Å和2.8637(11)Å],酰胺和醚之间存在两个分子间氢键[N-H··O = 2.9570(11) Å和3.0067(11)Å]。在II中,酰胺氧和醚氧之间存在两个分子内氢键[N-H···O = 2.589(3) Å和2.623(4)Å]。分子III由酰胺和硫醚之间的分子内氢键[N-H···S = 3.0501(18) Å]和酰胺和羰基之间的分子间氢键[N-H···O = 2.835(2) Å]组成。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Three 18-membered macrocyclic diamides with differing donor atoms and backbone substituents

Three 18-membered macrocyclic diamides with differing donor atoms and backbone substituents

The crystal structures are reported for 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane-6,17-dione, (C12H22N2O6), (I), dibenzo[e,q][1,4,10,13,7,16] tetraoxadiazacyclooctadecine-6,13-dione, (C20H22N2O6), (II) and 1,4-dioxa-10,13-dithia-7,16-diazacyclooctadecane-8,15-dione, (C12H22N2O4S2), (III). Solid-state structures show different types of hydrogen bonding for all three structures. In I, there are two intermolecular hydrogen bonds between an amide and carbonyl [N–H···O = 2.8206(11) Å and 2.8637(11) Å] and two intermolecular hydrogen bonds between an amide and ether [N–H···O = 2.9570(11) Å and 3.0067(11) Å]. There are two intramolecular hydrogen bonds between amide and ether oxygens [N–H···O = 2.589(3) Å and 2.623(4) Å] in II. Molecule III has a mixture of intramolecular hydrogen bonds between an amide and thioether [N–H···S = 3.0501(18) Å] and intermolecular hydrogen bonds between an amide and carbonyl [N–H···O = 2.835(2) Å].

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来源期刊
CiteScore
3.30
自引率
8.70%
发文量
0
审稿时长
3-8 weeks
期刊介绍: The Journal of Inclusion Phenomena and Macrocyclic Chemistry is the premier interdisciplinary publication reporting on original research into all aspects of host-guest systems. Examples of specific areas of interest are: the preparation and characterization of new hosts and new host-guest systems, especially those involving macrocyclic ligands; crystallographic, spectroscopic, thermodynamic and theoretical studies; applications in chromatography and inclusion polymerization; enzyme modelling; molecular recognition and catalysis by inclusion compounds; intercalates in biological and non-biological systems, cyclodextrin complexes and their applications in the agriculture, flavoring, food and pharmaceutical industries; synthesis, characterization and applications of zeolites. The journal publishes primarily reports of original research and preliminary communications, provided the latter represent a significant advance in the understanding of inclusion science. Critical reviews dealing with recent advances in the field are a periodic feature of the journal.
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