Metallo-Supramolecular Self-Assembly of a Multicomponent Ditrigon Based on Complementary Terpyridine Ligand Pairing

Predesigned complementary complexation of two 2,2′:6′,2″-terpyridine-based ligands was established by installing 2,6-dimethoxyphenyl substituents at the terpyridyl 6,6″-positions, which provided ancillary ion–dipole interactions in the coordination process and extra π-stacking stabilization in the r...

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Published inJournal of the American Chemical Society Vol. 138; no. 11; pp. 3651 - 3654
Main Authors Wang, Shih-Yu, Fu, Jun-Hao, Liang, Yen-Peng, He, Yun-Jui, Chen, Yu-Sheng, Chan, Yi-Tsu
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 23.03.2016
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Summary:Predesigned complementary complexation of two 2,2′:6′,2″-terpyridine-based ligands was established by installing 2,6-dimethoxyphenyl substituents at the terpyridyl 6,6″-positions, which provided ancillary ion–dipole interactions in the coordination process and extra π-stacking stabilization in the resultant heteroleptic complex. The high-fidelity self-recognition ligation afforded facile access to the quantitative self-assembly of multicomponent triangle [Cd6 L 3 3 L 4 3] and ditrigon [Cd15 L 3 6 L 5 3] (that is, a hexagon with six 120° angles and two alternating edge lengths). It was found that the linear 6,6″-substituted ditopic motif (L 3 ) would be directed by the ligand geometry of L 5 to selectively incorporate into the parallel homoleptic connections in the bilayered framework.
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content type line 23
ISSN:0002-7863
1520-5126
DOI:10.1021/jacs.6b01005