Browsing by Author "Sankaraperumal, A."

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Nickel(II) complex of p-[N,N-bis(2-chloroethyl)amino]benzaldehyde-4-methyl thiosemicarbazone: Synthesis, structural characterization and biological application
(2013) Sankaraperumal, A.; Karthikeyan, J.; Shetty, A.N.; Lakshmisundaram, R.
New complex of Ni(II) with p-[N,N-bis(2-chloroethyl)amino]benzaldehyde-4- methyl thiosemicarbazone (CEAB-4-MTSC) have been synthesized and characterized by elemental analysis, IR, electronic, 1H NMR spectroscopy. The crystal structure of the free ligand and complex has been determined by single crystal X-ray diffraction technique. In the complex, thiosemicarbazone ligand is coordinated to nickel through (1:2 complex) SNNS mode. The complex crystallizes in the triclinic with space group P1?. The complex has been tested for their antibacterial activity against various pathogenic bacteria. From this study, it was found out that the activity of complex reaches the effectiveness of the conventional bacteriocide Streptomycin compared to simple ligand. 2012 Elsevier Ltd. All rights reserved.
Nickel(II) complex of p-[N,N-bis(2-chloroethyl)amino]benzaldehyde-4-methyl thiosemicarbazone: Synthesis, structural characterization and biological application
(Elsevier Ltd, 2013) Sankaraperumal, A.; Karthikeyan, J.; Nityananda Shetty, A.N.; Lakshmisundaram, R.
New complex of Ni(II) with p-[N,N-bis(2-chloroethyl)amino]benzaldehyde-4- methyl thiosemicarbazone (CEAB-4-MTSC) have been synthesized and characterized by elemental analysis, IR, electronic, 1H NMR spectroscopy. The crystal structure of the free ligand and complex has been determined by single crystal X-ray diffraction technique. In the complex, thiosemicarbazone ligand is coordinated to nickel through (1:2 complex) SNNS mode. The complex crystallizes in the triclinic with space group P1?. The complex has been tested for their antibacterial activity against various pathogenic bacteria. From this study, it was found out that the activity of complex reaches the effectiveness of the conventional bacteriocide Streptomycin compared to simple ligand. © 2012 Elsevier Ltd. All rights reserved.
Structural characterization and nonlinear optical properties of 1-phenyl-3-(4-bis(2-chloroethyl)aminophenyl)-2-propen-1-one
(2015) Sankaraperumal, A.; Shetty, A.N.; Karthikeyan, J.
A new chalcone derivative 1-phenyl-3-(4-bis(2-chloroethyl)aminophenyl)-2-propen-1-one with the molecular formula C19H19Cl2NO is synthesized by the Claisen-Schmidt condensation reaction. A transparent yellow single crystal was obtained by the slow evaporation solution growth technique using ethanol at room temperature. The compound crystallizes in the triclinic crystal system, P-1 space group, Z = 4, calculated density = 1.332 mg/m3, V = 1736.00(8) 3 with unit cell parameters a = 7.8899(2) , b = 14.1924(4) , c = 15.7879(4) , ? = 83.1280(10) , ? = 81.929(2) , ? =86.4820 . The second harmonic generation efficiency is found to be 1.5 times higher than that of urea. Thermal stability of the crystal is found to be 250 C determined from the thermogravimetric analysis. The FT-IR spectroscopy is used to identify the functional groups of the synthesized compound. The optical behavior of the grown crystal is examined by the UV-visible spectral analysis, which shows that the absorbance is almost negligible in the wavelength range 400-1300 nm. 2015 Pleiades Publishing, Ltd.
Structural characterization and nonlinear optical properties of 1-phenyl-3-(4-bis(2-chloroethyl)aminophenyl)-2-propen-1-one
(Maik Nauka Publishing / Springer SBM compmg@maik.ru, 2015) Sankaraperumal, A.; Nityananda Shetty, A.N.; Karthikeyan, J.
A new chalcone derivative 1-phenyl-3-(4-bis(2-chloroethyl)aminophenyl)-2-propen-1-one with the molecular formula C19H19Cl2NO is synthesized by the Claisen-Schmidt condensation reaction. A transparent yellow single crystal was obtained by the slow evaporation solution growth technique using ethanol at room temperature. The compound crystallizes in the triclinic crystal system, P-1 space group, Z = 4, calculated density = 1.332 mg/m3, V = 1736.00(8) Å3 with unit cell parameters a = 7.8899(2) Å, b = 14.1924(4) Å, c = 15.7879(4) Å, ? = 83.1280(10)°, ? = 81.929(2)°, ? =86.4820°. The second harmonic generation efficiency is found to be 1.5 times higher than that of urea. Thermal stability of the crystal is found to be 250°C determined from the thermogravimetric analysis. The FT-IR spectroscopy is used to identify the functional groups of the synthesized compound. The optical behavior of the grown crystal is examined by the UV-visible spectral analysis, which shows that the absorbance is almost negligible in the wavelength range 400-1300 nm. © 2015 Pleiades Publishing, Ltd.
Synthesis, structural characterization, and biological application of p-[N,N-bis(2-chloroethyl) aminobenzaldehyde thiosemicarbazone and its nickel (II) complex
(2015) Sankaraperumal, A.; Nityananda, Shetty, A.; Karthikeyan, J.
New complex of Ni(II) with p-[N,N-bis(2-chloroethyl)]aminobenzaldehyde thiosemicarbazone (CEABTSC) have been synthesized and characterized by elemental analysis, IR, electronic, and 1H NMR spectroscopy. The crystal structure of the free ligand has been determined by single-crystal X-ray diffraction technique. The compound crystallizes in the Triclinic crystal system with space group P-1, Z = 2, Calculated density = 1.392 mg/m3, V = 761.64(18) A3 with unit cell parameters a = 8.2847(11) , ? = 99.074 , b = 8.7432(12) , ? = 94.035(7) , c = 11.2423(15) , ? = 107.337(6) ; final R1 and wR2 are 0.0796 and 0.3021, respectively. The crystal structure reveals that the compound exists in the thione form and C12 and C11 are at E configuration to each other with respect to N2-N3 bond. The packing of the molecules in the crystal lattice is stabilized by intramolecular N(3)-H(3).S(1) and N(4)-H(4D).S(1) hydrogen bonds resulting in the formation of edge fused R22(8) ring motif. In the complex, thiosemicarbazone ligand is coordinated to nickel through (1:2 complex) SNNS mode. The complex has been tested for their antibacterial activity against various pathogenic bacteria. 2015 Copyright Taylor & Francis Group, LLC.
Synthesis, structural characterization, and biological application of p-[N,N-bis(2-chloroethyl) aminobenzaldehyde thiosemicarbazone and its nickel (II) complex
(Taylor and Francis Inc. 325 Chestnut St, Suite 800 Philadelphia PA 19106, 2015) Sankaraperumal, A.; Nityananda Shetty, A.; Karthikeyan, J.
New complex of Ni(II) with p-[N,N-bis(2-chloroethyl)]aminobenzaldehyde thiosemicarbazone (CEABTSC) have been synthesized and characterized by elemental analysis, IR, electronic, and 1H NMR spectroscopy. The crystal structure of the free ligand has been determined by single-crystal X-ray diffraction technique. The compound crystallizes in the Triclinic crystal system with space group P-1, Z = 2, Calculated density = 1.392 mg/m3, V = 761.64(18) A3 with unit cell parameters a = 8.2847(11) Å, ? = 99.074°, b = 8.7432(12) Å, ? = 94.035(7)°, c = 11.2423(15) Å, ? = 107.337(6)°; final R1 and wR2 are 0.0796 and 0.3021, respectively. The crystal structure reveals that the compound exists in the thione form and C12 and C11 are at E configuration to each other with respect to N2-N3 bond. The packing of the molecules in the crystal lattice is stabilized by intramolecular N(3)-H(3).S(1) and N(4)-H(4D).S(1) hydrogen bonds resulting in the formation of edge fused R22(8) ring motif. In the complex, thiosemicarbazone ligand is coordinated to nickel through (1:2 complex) SNNS mode. The complex has been tested for their antibacterial activity against various pathogenic bacteria. © 2015 Copyright © Taylor & Francis Group, LLC.