3D helical and 2D rhomboidal supramolecules: stepwise self-assembly and dynamic transformation of terpyridine-based metallo-architectures

Die Liu; Zhilong Jiang; Ming Wang; Xiaoyu Yang; Haisheng Liu; Mingzhao Chen; Charles N. Moorefield; George R. Newkome; Xiaopeng Li; Pingshan Wang

doi:10.1039/C6CC04482D

3D helical and 2D rhomboidal supramolecules: stepwise self-assembly and dynamic transformation of terpyridine-based metallo-architectures†

Die Liu,‡^a Zhilong Jiang,‡^a Ming Wang,^b Xiaoyu Yang,^a Haisheng Liu,^a Mingzhao Chen,^a Charles N. Moorefield,^c George R. Newkome,^c Xiaopeng Li*^b and Pingshan Wang*^a

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* Corresponding authors

^a Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan-410083, China
E-mail: chemwps@csu.edu.cn

^b Department of Chemistry and Biochemistry & Materials Science, Engineering, and Commercialization Program, Texas State University, San Marcos, Texas-78666, USA
E-mail: x_l8@txstate.edu

^c Departments of Polymer Science, Maurice Morton Institute of Polymer Science, Department of Polymer Engineering and Chemistry, The University of Akron, Akron, OH 44325-4717, USA

Abstract

A Ru²⁺-connected, metallo-organic ligand (L) with three free terpyridines was designed and synthesized. L was assembled with Zn²⁺ to generate a helical structure; however, when mixing L with a 1,2,3-tristerpyridine ligand (T), a thermodynamically stable 2D rhombus was assembled. Furthermore, this 2D rhomboidal structure can also be achieved through the dynamic transformation of preassembled helix H with T and Zn²⁺ at room temperature.

Chemical Communications

3D helical and 2D rhomboidal supramolecules: stepwise self-assembly and dynamic transformation of terpyridine-based metallo-architectures†

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3D helical and 2D rhomboidal supramolecules: stepwise self-assembly and dynamic transformation of terpyridine-based metallo-architectures

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