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r-1,t-3-双[4-(二甲基氨基)-苯基]-c-2,t-4-双-(吡啶-4-基)环丁烷

r-1,t-3-Bis[4-(di-methyl-amino)-phen-yl]-c-2,t-4-bis-(pyridin-4-yl)cyclo-butane.

作者信息

Zhang Shuguang, Zhuang Junpeng

机构信息

Department of Organic Chemistry, Faculty of Science, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2014 Feb 15;70(Pt 3):o311. doi: 10.1107/S1600536814002311. eCollection 2014 Mar 1.

DOI:10.1107/S1600536814002311
PMID:24765012
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3998431/
Abstract

The title compound, C30H32N4, was synthesized by the photodimerization of trans-4-{2-[4-(di-methyl-amino)-phen-yl]ethen-yl}pyridine in benzene upon irradiation with UV light. This photodimer has a puckered cyclo-butane ring with the four aryl substituents in an r-1,t-2,c-3,t conformation. The puckering angle of the cyclo-butane ring is 32.22 (7)°, which is the largest among reported tetra-aryl-substituted cyclo-butanes. In the crystal, the mol-ecules form a hollow, one-dimensional structure extending parallel to the c axis via two different pairs of C-H⋯π inter-actions.

摘要

标题化合物C30H32N4是通过反式-4-{2-[4-(二甲基氨基)-苯基]乙烯基}吡啶在苯中经紫外光照射进行光二聚反应合成的。该光二聚体具有一个褶皱的环丁烷环，四个芳基取代基呈r-1,t-2,c-3,t构象。环丁烷环的褶皱角为32.22 (7)°，这在已报道的四芳基取代环丁烷中是最大的。在晶体中，分子通过两对不同的C-H⋯π相互作用形成一个平行于c轴延伸的中空一维结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/496c/3998431/74eabbfc9714/e-70-0o311-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/496c/3998431/96522884e776/e-70-0o311-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/496c/3998431/62de52aa7fcc/e-70-0o311-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/496c/3998431/74eabbfc9714/e-70-0o311-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/496c/3998431/96522884e776/e-70-0o311-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/496c/3998431/62de52aa7fcc/e-70-0o311-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/496c/3998431/74eabbfc9714/e-70-0o311-fig3.jpg

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引用本文的文献

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