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Medishetty, Raghavender,Koh, Lip Lin,Kole, Goutam Kumar,Vittal, Jagadese J. WILEY‐VCH Verlag 2011 Angewandte Chemie Vol.123 No.46
<P><B>Lichtbauweise:</B> Eine [2+2]‐Cycloaddition überführt ein 2D‐Koordinationspolymer unter Einkristall‐zu‐Einkristall‐Umwandlung in eine 3D‐Struktur. In diesem Beispiel kann man die Bildung der resultierenden 3D‐Struktur direkt auf die 2D‐Schichtverbindung zurückverfolgen (siehe Schema; Zn rot, 4‐Styrylpyridin blau/türkis).</P>
Solid-state polymerisation <i>via</i> [2+2] cycloaddition reaction involving coordination polymers
Medishetty, Raghavender,Park, In-Hyeok,Lee, Shim Sung,Vittal, Jagadese J. The Royal Society of Chemistry 2016 Chemical communications Vol.52 No.21
<P>Highly crystalline metal ions containing organic polymers are potentially useful to manipulate the magnetic and optical properties to make advanced multifunctional materials. However, it is challenging to synthesise monocrystalline metal complexes of organic polymers and single-phase hybrid materials made up of both coordination and organic polymers by traditional solution crystallisation. This requires an entirely different approach in the solid-state by thermal or photo polymerisation of the ligands. Among the photochemical methods available, [2+2] cycloaddition reaction has been recently employed to generate cyclobutane based coordination polymers from the metal complexes. Cyclobutane polymers have also been integrated into coordination polymers in this way. Recent advancements in the construction of polymeric chains of cyclobutane rings through photo-dimerisation reaction in the monocrystalline solids containing metal complexes, coordination polymers and metal-organic framework structures are discussed here.</P>