Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/17921
Title: Coordination polymers and hydrogen-bonded complexes of Trans-1,2-bis(4-pyridyl)ethene containing C=C bonds: Synthesis, structural and photochemical [2+2] cycloaddition studies
Authors: PUTHAN PEEDIKAKKAL ABDUL MALIK
Keywords: Coordination Polymers. Metal-organic frameworks(MOFs), Magnetic properties, Solid-state reaction, Photochemical [2+2] cycloaddition reaction
Issue Date: 19-Jan-2010
Source: PUTHAN PEEDIKAKKAL ABDUL MALIK (2010-01-19). Coordination polymers and hydrogen-bonded complexes of Trans-1,2-bis(4-pyridyl)ethene containing C=C bonds: Synthesis, structural and photochemical [2+2] cycloaddition studies. ScholarBank@NUS Repository.
Abstract: Coordination polymers (or metal-organic frameworks) are rapidly emerging inorganic¿organic solid state materials and have drawn ever-increasing scientific and technological interest due to their widespread application such as gas storage/separation, catalysis, ion exchange, drug delivery and optoelectronics etc. In this thesis a series of Pb(II), Co(II) and Zn(II) coordination polymers with bpe (bpe = 1,2-bis(4-pyridyl)ethene), monocarboxylates and nitrate anions have been synthesized and well characterized by X-ray crystallography, spectroscopic methods and analytical techniques. The olefinic bonds of bpe were successfully oriented in several coordination polymers to direct solid-state synthesis of rctt-tetrapyridylcyclobutane (rtctt-tpcb) by photochemical [2+2] cycloaddition reaction. Hydrogen bonded complexes were also employed to study the photochemical [2+2] cycloaddition reaction in the solid state. This study provides new insights into the solid-state reactivity and molecular movements in the crystal lattice. A novel isomerization of rtctt-tpcb has been accomplished to synthesize tetrahedrally disposed pyridyl ligand, rtct-tpcb isomer exclusively which in turn, has been used to construct two MOFs having interesting topologies.
URI: http://scholarbank.nus.edu.sg/handle/10635/17921
Appears in Collections:Ph.D Theses (Open)

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