Self-assembly of a supramolecular hexagram and a supramolecular pentagram

Nature Communications
Zhilong JiangPingshan Wang

Abstract

Five- and six-pointed star structures occur frequently in nature as flowers, snow-flakes, leaves and so on. These star-shaped patterns are also frequently used in both functional and artistic man-made architectures. Here following a stepwise synthesis and self-assembly approach, pentagonal and hexagonal metallosupramolecules possessing star-shaped motifs were prepared based on the careful design of metallo-organic ligands (MOLs). In the MOL design and preparation, robust ruthenium-terpyridyl complexes were employed to construct brominated metallo-organic intermediates, followed by a Suzuki coupling reaction to achieve the required ensemble. Ligand LA (VRu2+X, V=bisterpyridine, X=tetraterpyridine, Ru=Ruthenium) was initially used for the self-assembly of an anticipated hexagram upon reaction with Cd2+ or Fe2+; however, unexpected pentagonal structures were formed, that is, [Cd5LA5]30+ and [Fe5LA5]30+. In our redesign, LB [V(Ru2+X)2] was synthesized and treated with 60° V-shaped bisterpyridine (V) and Cd2+ to create hexagonal hexagram [Cd12V3LB3]36+ along with traces of the triangle [Cd3V3]6+. Finally, a pure supramolecular hexagram [Fe12V3LB3]36+ was successfully isolated in a high yield using Fe2+ with a higher assembly tempera...Continue Reading

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Citations

Mar 30, 2018·Chemical Society Reviews·Sourav Chakraborty, George R Newkome
May 29, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Die LiuPingshan Wang
Jan 25, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Sourav ChakrabortyGeorge R Newkome
Jun 23, 2019·Chemistry, an Asian Journal·Stephanie A Boer, David R Turner
Mar 10, 2020·Angewandte Chemie·Rongying LiuMing Jiang
Jul 5, 2017·Angewandte Chemie·Zhilong JiangPingshan Wang
Mar 1, 2019·Israel Journal of Chemistry·Zhe ZhangXiaopeng Li
Mar 10, 2020·Journal of the American Chemical Society·Lipeng HeYi-Tsu Chan
Sep 4, 2020·Journal of the American Chemical Society·Shi-Cheng WangYi-Tsu Chan
Nov 19, 2020·Journal of the American Chemical Society·Jun WangPingshan Wang
Jul 31, 2019·Inorganic Chemistry·Mingzhao ChenPingshan Wang
Dec 24, 2019·Inorganic Chemistry·Zhiyuan JiangPingshan Wang
Aug 17, 2020·Journal of the American Chemical Society·Yiming LiXiaopeng Li
Oct 6, 2018·Journal of the American Chemical Society·Lei WangXiaopeng Li
Aug 29, 2018·Journal of the American Chemical Society·Mingzhao ChenPingshan Wang

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Methods Mentioned

BETA
column chromatography
nuclear magnetic resonance
NMR
atomic
scanning tunnelling microscopy
AFM

Software Mentioned

DOSY
Materials Studio

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