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A Step‐by‐Step Assembly of a 3D Coordination Polymer in the Solid‐State by Desolvation and [2+2] Cycloaddition Reactions
Author(s) -
Medishetty Raghavender,
Tandiana Rika,
Wu Jien,
Bai Zhaozhi,
Du Yonghua,
Vittal Jagadese J.
Publication year - 2015
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201501649
Subject(s) - cycloaddition , x ray absorption fine structure , solid state , polymer , crystallography , chemistry , two dimensional nuclear magnetic resonance spectroscopy , thermogravimetry , solid state nuclear magnetic resonance , materials science , stereochemistry , catalysis , spectroscopy , organic chemistry , inorganic chemistry , physics , quantum mechanics , nuclear magnetic resonance
Two solid‐state structural transformations that occur in a stepwise and a controlled manner are described. A combination of desolvation and cycloaddition reactions has been employed to synthesise a 3D coordination polymer (CP) from 1D CP [Cd(bdc)(4‐spy) 2 (H 2 O)]⋅2 H 2 O⋅2 DMF (bdc=1,4‐benzenedicarboxylate, 4‐spy=4‐styrylpyridine) presumably via a 2D layered structure, [Cd 2 (bdc) 2 (4‐spy) 4 ]. In the absence of single crystals to follow the course of the photocycloaddition reaction, thermogravimetry, XAFS and NOESY NMR experiments were used to propose the formation of layered and pillared layered structures. Further, the present strategy enables us to synthesise new multidimensional architectures that are otherwise inaccessible by the self‐assembly process.