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Keywords = diphenylene bis-diethyl dioxalamates

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13 pages, 4508 KiB  
Article
Crystal Structure and Supramolecular Architecture of Antiallergic Diphenylene Diethyl Dioxalamates
by Juan Saulo González-González, Nancy Evelyn Magaña-Vergara, Efrén Venancio García-Báez, Itzia Irene Padilla-Martínez, Juan Pablo Mojica-Sánchez and Francisco Javier Martínez-Martínez
Crystals 2020, 10(11), 1048; https://doi.org/10.3390/cryst10111048 - 18 Nov 2020
Cited by 4 | Viewed by 2508
Abstract
The crystal structure and the supramolecular architectures of the antiallergic compounds N,N′-(4,4′-methanediyl-di-phenyl)-bis-diethyl dioxalamate (1); N′,N′-(4,4′-oxydi-p-phenylene)-bis-diethyl dioxalamate (2); N,N′-(4,4′-biphenylene)-bis- diethyl dioxalamate (3) are reported. The supramolecular self-assembly in 1-3 is driven [...] Read more.
The crystal structure and the supramolecular architectures of the antiallergic compounds N,N′-(4,4′-methanediyl-di-phenyl)-bis-diethyl dioxalamate (1); N′,N′-(4,4′-oxydi-p-phenylene)-bis-diethyl dioxalamate (2); N,N′-(4,4′-biphenylene)-bis- diethyl dioxalamate (3) are reported. The supramolecular self-assembly in 1-3 is driven by N-H···O=C hydrogen bonds and reinforced by C-H···O=C, C-H···π and C=O···C=O interactions. The three compounds preferred to form cross-linked supramolecular architectures. Intermolecular interactions also were studied by the Hirshfeld surface analysis, revealing that the H···H, O···H, and C···H are the more dominant contacts in the three compounds. The knowledge of crystal structure will allow us to perform theoretical studies to evaluate the antiallergic activity of compounds 1-3. Full article
(This article belongs to the Special Issue Hydrogen Bonds in Crystals)
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