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Synthesis, Characterization and Solvatochromic Studies Using the Solvent Polarity Parameter, ENT on 2-Chloro-3-Ethylamino-1,4-Naphthoquinone

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Abstract

Quinones are molecules with varied biological activities and electronic properties which are used for important applications [1, 2]. Quinone with a heteroatom substituted, namely 2-chloro-3-ethylamino-1,4-naphthoquinone (N-CAN) was synthesized and characterized by various techniques such as H1-NMR, C13-NMR, Mass spectroscopy and FT-IR spectroscopy. In this study, the solvatochromic effects on the spectral properties of 2-chloro-3-ethylamino-1,4-naphthoquinone have been investigated in different solvents taking into consideration, the solvent parameters like dielectric constant (ε) and refractive index (η) of different solvent polarities. Using Lippert-Mataga, Bakshiev’s, Kawski-Chamma-Viallet and Reichardt equations, the ground state (μg) and excited state (μe) dipole moments were calculated. The angle between the excited state and ground state dipole moments were also calculated.

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Acknowledgements

The authors thank the Management and the authorities of Karunya University, Coimbatore, for their kind support, constant encouragement.

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Authors and Affiliations

  1. Department of Chemistry, Karunya University, Coimbatore, Tamilnadu, 641114, India

    Arulappan Durairaj, Asir Obadiah, Subramanian Ramanathan & Samuel Vasanthkumar

  2. Department of Chemistry, Bishop Heber College, Trichirapalli, TN, 620017, India

    Princy Merlin Johnson & Antony Paulraj Bella

Authors
  1. Arulappan Durairaj
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  2. Asir Obadiah
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  3. Subramanian Ramanathan
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  4. Princy Merlin Johnson
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  6. Samuel Vasanthkumar
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Correspondence to Samuel Vasanthkumar.

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Durairaj, A., Obadiah, A., Ramanathan, S. et al. Synthesis, Characterization and Solvatochromic Studies Using the Solvent Polarity Parameter, ENT on 2-Chloro-3-Ethylamino-1,4-Naphthoquinone. J Fluoresc 27, 1505–1512 (2017). https://doi.org/10.1007/s10895-017-2090-6

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  • DOI: https://doi.org/10.1007/s10895-017-2090-6

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