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Selenacalix[4]selenophene: Synthesis, Structure, and Gel Formation of Cyclic Selenoether of Selenophene.
Organic Letters ( IF 4.9 ) Pub Date : 2020-04-02 , DOI: 10.1021/acs.orglett.0c00839
Masashi Hasegawa 1 , Shiori Haga 1 , Tohru Nishinaga 2 , Yasuhiro Mazaki 1
Affiliation  

A selenacalix[4]selenophene derivative, a cyclic selenophene oligomer linked with divalent selenium atoms, was successfully synthesized via a one-pot cyclization reaction using 2,5-dibromo-3,4-bis(4-t-butylphenyl)selenophene and (Bu3Sn)2Se. The X-ray analysis revealed an annular geometry consisting of two sets of vertical and horizontal selenophene pairs. The observed geometry was preserved by intermolecular Se···Se and Se···π interactions, leading to a one-dimensional array. This self-assembled network results in a supramolecular gel, despite the absence of any hydrogen bonding sites.

中文翻译:

Selenacalix [4]硒烯:硒烯环硒醚的合成,结构和凝胶形成。

通过2,5-二溴-3,4-双(4-叔丁基苯基)硒烯和(的一锅环化反应,成功地合成了硒代芳烃[4]硒烯衍生物,它是与二价硒原子连接的环状硒烯低聚物。 Bu3Sn)2Se。X射线分析显示环形几何结构,由两组垂直和水平的硒烯对组成。通过分子间Se··Se和Se··π相互作用保留了观察到的几何形状,从而形成一维阵列。尽管没有任何氢键合位点,但这种自组装网络形成了超分子凝胶。
更新日期:2020-04-02
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