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ACS Omega. 2019 Apr 22;4(4):7200-7212. doi: 10.1021/acsomega.9b00289. eCollection 2019 Apr 30.

Structures, Photoresponse Properties, and Biological Activity of Dicyano-Substituted 4-Aryl-2-pyridone Derivatives.

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Department of Chemistry, Department of Physics, and Department of Life Science & Bio-technology, Jadavpur University, Kolkata 700032, India.
Department of Chemistry, Haldia Government College, Debhog, Purba Medinipur, West Bengal 721657, India.
Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sec. III, Salt Lake, Kolkata 700106, India.
Department of Chemistry, Aliah University, Action Area IIA/27, Kolkata 700156, India.
Departament de Química, Universitat de les Illes Balears, Crta. de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain.


Described in this work is the synthesis of a novel dicyano-substituted N-2-aminoethyl-4-(3-pyridinyl)-2-pyridone organic compound (1) that is characterized by several spectroscopic methods. Compound (1) was utilized for the preparation of its perchlorate (2), chloride (3), and bromide (4) salts. Single-crystal X-ray structures of these three salts were determined, and noncovalent weak interactions involving the aromatic rings, anions, and water molecules in (2-4) were investigated in detail. Solid-state UV-vis spectrum of the reported compounds (1-4) was utilized to calculate their optical band gaps, which clearly indicated that they belong to the semiconductor family. Under illumination condition, the magnitudes of electrical properties of (1) and its salts (2-4) improve remarkably although the improvement differs from salt to salt and the result was analyzed theoretically. Salt (2) was tested for its DNA binding ability.

Conflict of interest statement

The authors declare no competing financial interest.

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