一种新的 N,N'-二丙基异靛蓝衍生物的三种多形态。

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Acta Crystallographica Section C Structural Chemistry Pub Date : 2024-04-01 Epub Date: 2024-03-21 DOI:10.1107/S2053229624002481

Wataru Jozuka, Sung Hoon Kim, Shinya Matsumoto

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引用次数: 0

摘要

一种新合成的 N,N'-二丙基取代异靛蓝衍生物，即 1-丙基-3-(1-丙基-1,2-二氢-2-氧代-3H-吲哚-3-亚基)-1,3-二氢-2H-吲哚-2-酮，C22H22N2O2，在不同的结晶条件下有三种多晶形态（分别称为形态 I、II 和 III）。晶体结构分析表明，形态 III 的分子构象与其他两种多形态明显不同。它们不同的堆积排列与分子间相互作用的差异有关。热测量结果表明，形态 I 和形态 II 具有对映关系，形态 II 具有热动态行为。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Three polymorphs of a new N,N'-dipropylated isoindigo derivative.

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Three polymorphs of a new N,N'-dipropylated isoindigo derivative.

A newly synthesized N,N'-dipropyl-substituted isoindigo derivative, namely, 1-propyl-3-(1-propyl-1,2-dihydro-2-oxo-3H-indol-3-ylidene)-1,3-dihydro-2H-indol-2-one, C₂₂H₂₂N₂O₂, was found to have three polymorphic forms (denoted Forms I, II and III) under various crystallization conditions. Crystal structure analysis indicated that Form III had a significantly different molecular conformation from the other two polymorphs. Their different packing arrangements were correlated with differences in the intermolecular interactions. Thermal measurements revealed that Forms I and II are enantiotropically related, and Form II exhibits thermally dynamic behaviour.

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来源期刊

Acta Crystallographica Section C Structural Chemistry CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

1.60

自引率

12.50%

发文量

148

期刊介绍： Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.