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Issue 39, 2016
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Dinuclear clathrochelate complexes with pendent cyano groups as metalloligands

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Abstract

Dinuclear clathrochelate complexes with two, three, four, or five cyano groups in the ligand periphery were prepared following two distinct synthetic strategies: (a) zinc(II)- or cobalt(II)-templated polycondensation reactions of CN-functionalized arylboronic acids and phenoldioximes, or (b) postsynthetic cross-coupling reactions of polybrominated zinc(II) clathrochelates with 4-cyanophenylboronic acid. The new clathrochelate complexes were used as metalloligands for the construction of heterometallic Zn2+/Ag+ and Co2+/Ag+ coordination polymers (CPs), which were characterized by single crystal X-ray diffraction and FT-IR. A one-dimensional CP was observed for ditopic clathrochelates, whereas two- and three-dimensional CPs were generated from tetra- and pentatopic metalloligands. The three-dimensional network is unique as it displays an unprecedented network topology with the point symbol (8·102)(82·104)(82·10)(83·103). Furthermore, it is a self-catenated net with an extremely high topological density.

Graphical abstract: Dinuclear clathrochelate complexes with pendent cyano groups as metalloligands

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Article information


Submitted
12 Jul 2016
Accepted
25 Aug 2016
First published
12 Sep 2016

This article is Open Access

Dalton Trans., 2016,45, 15507-15516
Article type
Paper

Dinuclear clathrochelate complexes with pendent cyano groups as metalloligands

M. Marmier, G. Cecot, A. V. Vologzhanina, J. L. Bila, I. Zivkovic, H. M. Ronnow, B. Nafradi, E. Solari, P. Pattison, R. Scopelliti and K. Severin, Dalton Trans., 2016, 45, 15507
DOI: 10.1039/C6DT02758J

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