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Wyszukujesz frazę "Balaji, S." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Synthesis and LFER study of some substituted hydrazones
    Autorzy:
    Vijayakumar, R.
    Rajarajan, M.
    Senbagam, R.
    Balaji, S.
    Manikandan, V.
    Vanangamudi, G.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1182767.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Hydrazones and substituent effect
    LFER study
    Synthesis
    Opis:
    A series containing ten substituted hydrazones have been synthesized by condensation between semicarbazide and various substituted benzaldehydes. The hydrazones were confirmed by their physical constants and UV, IR, 1H NMR and 13C NMR spectral data. This UV, IR, 1H NMR and 13C NMR spectral data have been used for LFER studied with Hammett constants and Swain-Lupton’s parameters.
    Źródło:
    World Scientific News; 2017, 66; 263-280
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis, and spectral Hammett correlation analysis of some (E)-1-(5-chloro-2-hydroxyphenyl)-3-phenylprop-2-en-1-one compounds
    Autorzy:
    Balaji, S.
    Vijayakumar, R.
    Manikandan, V.
    Senbagam, R.
    Rajarajan, M.
    Vanangamudi, G.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1182925.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (e)-5-chloro-2-hydroxyphenyl chalcones
    synthesis
    uv
    ir and nmr spectra
    hammett correlation analysis
    substituent effect
    Opis:
    A series of substituted of (E)-1-(5-chloro-2-hydroxyphenyl)-3-phenylprop-2-en-1-one compounds by cross-aldol condensation reaction of 5-chloro-2-hydroxy acetophenone with various substituted benzaldehyde in the presence sodium hydroxide (base). The synthesized substituted (E)-1-(5-chloro-2-hydroxyphenyl)-3-phenylprop-2-en-1-one compounds was characterized by physical constants, UV, FT-IR, 1H & 13C-NMR spectral data. All the spectral data of substituted (E)-1-(5-chloro-2-hydroxyphenyl)-3-phenylprop-2-en-1-one compounds has been Hammett correlation with linear regression analyses.
    Źródło:
    World Scientific News; 2016, 49, 2; 144-161
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and antimicrobial activity of substituted (E)-1-(4-fluoro-3-methylphenyl)-3-phenylprop-2-en-1-one compounds
    Autorzy:
    Balaji, S.
    Senbagam, R.
    Rajarajan, M.
    Vijayakumar, R.
    Manikandan, V.
    Vanangamud, G.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1189942.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Antibacterial activity
    Antifungal activity
    Bacillus subtilis
    vibrio cholera
    Opis:
    In an effort to develop antimicrobial agents, a series of substituted (E)-1-(4-fluoro-3-methylphenyl)-3-phenylprop-2-en-1-one compounds were synthesized by crossed-aldol condensation reaction of 4-fluoro-3-methyl acetophenone with various substituted benzaldehydes in the presence of sodium hydroxide. The synthesized compounds were characterized by means of their UV, IR and NMR spectral data. The synthesized substituted (E)-1-(4-fluoro-3-methylphenyl)-3-phenylprop-2-en-1-one compounds were tested for their antibacterial and antifungal activities by the Bauer-Kirby disc diffusion method.
    Źródło:
    World Scientific News; 2016, 52; 14-30
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis, Assessment of substituent effect and Antimicrobial activities of some substituted (E)-N-benzylidene-4H-1,2,4-triazol-4-amines
    Autorzy:
    Senbagam, R.
    Rajarajan, M.
    Vijayakumar, R.
    Manikandan, V.
    Balaji, S.
    Vanangamudi, G.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1194005.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    IR and NMR spectra
    QSAR study
    UV
    antimicrobial study
    heterocyclic Schiff bases
    synthesis
    Opis:
    Schiff H., Justus Liebigs Annalen der Chemie. 131(1) (1864) 118-9. [2] Lau K. Y., Mayr A., Cheung K. K., Inorgnic Chimica Acta. 285 (1999) 223-232. [3] Shawali A. S., Harb N. M. S., Badahdah K. O., Journal of Heterocyclic Chemistry. 22 (1985) 1397-1403. [4] Gupta K. C., Sutar A. K., Coordination Chemistry Review. 252 (2008) 1420-1450. [5] Yuan M., Zhao F., Zhang W., Wang Z. M., Gao S., Inorgnic Chemistry. 46 (2007) 11235-42. [6] Nakaic T., Meddu S., Kurahashi T., Japan Patent. 7389932 (1973); Chemical Abstracts. 81(1974) 65182. [7] Quraishi Harion M. A., Sharma K., Journal of Materials Chemistry and Physics. 78 (2002) 18-21. [8] Ramesh S., Rajeshwari S., Elctrochimica Acta. 49 (2004) 811-820. [9] Colter R. J., Matzner M., Ring terming poly, Part B-1, ‘Heterocyclic Ring’ Academic, New Youk, (1972). [10] Popp. F. D., Journal of Organic Chemistry. 26 (1961) 1566-1568. [11] Rao X., Huang X., He L., Song J., Song Z., Shang S., Combinatorial Chemistry & High Throughput Screening. 15 (2012) 840-844. [12] Hadjipavlou-litina D. J., Geronikaki A. A., Letters in Drug Design & Discovery. 15 (1996) 199-206. [13] Tiwary M., Naik S. N., Tiwari D. K., Mittal P. K., Yadav S., Journal of vector Brone Diseases. 44 (2007) 198-204. [14] Solak N., Rollas S., Arkivoc. (2006) 173-181. [15] Wadher S. J., Puranik M. P., Karande N. A., Yeole P. G., International Journal of Pharm Tech Research 1 (2009) 22-33. [16] Cates A. L., Rasheed S. M., Pharmaceutical Research 6 (1984) 271-273. [17] Sakthinathan S. P., Suresh R., Mala V., Sathiyamoorthi K., Kamalakkannan D., Ranganathan K., John Joseph S., Vanangamudi G., Thirunarayanan G., International Journal of Scientific Research and Knowledge, 1(11) (2013) 472. [18] Sakthinathan S. P., Suresh R., Mala V., Sathiyamoorthi K., Kamalakkannan D., Ranganathan K., Arulkumaran R., Vijayakumar S., Sundararajan R., Vanangamudi G., Thirunarayanan G., International Letters of Chemistry, Physics and Astronomy. 6 (2013) 77. [19] Suresh R., Kamalakkannan D., Ranganathan K., Arulkumaran R., Sundararajan R., Sakthinathan S. P., Vijayakumar S., Sathiyamoorthi K., Mala V., Vanangamudi G., Thirumurthy K., Mayavel P., Thirunarayanan G., Spectrochim. Acta, 101A (2013) 239. [20] Arulkumaran R., Vijayakumar S., Sakthinathan S.P., Kamalakkannan D., Ranganathan K., Suresh R., Sundararajan R., Vanangamudi G., Thirunarayanan G., Journal of Chilean Chemical Society. 2 (2013) 58. [21] Thirunarayanan G., Gopalakrishnan M., Vanangamudi G., Spectrochemica Acta 67A (2007)1106-1112 [22] Swain C. G., Lupton E. C., Journal of American Chemical Society. 90 (1968) 4328-4337. [23] Bauer A. W., Kirby W. M. M., Sherris J. C., Truck M., American Journal of Clinical Pathology. 45 (1966) 493-498.
    Źródło:
    World Scientific News; 2015, 8; 176-191
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and correlation analysis of spectral data of some (E)-2-benzylidenehydrazine carbothioamides
    Autorzy:
    Vijayakumar, R.
    Rajarajan, M.
    Balaji, S.
    Manikandan, V.
    Senbagam, R.
    Vanangamudi, G.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1194021.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Benzaldehyde
    Hydrazones
    IR & NMR spectral data and substituent effect
    Thiosemicarbazide
    UV-Vis
    Opis:
    A series containing ten substituted (E)-2-benzylidenehydrazinecarbothioamide were synthesized by condensation between thiosemicarbazide and various substituted benzaldehydes. The synthesized (E)-2-benzylidenehydrazinecarbothioamide were characterized by their physical constants and spectral data. The UV C=N λmax (nm), infrared ν C=N (cm-1), 1H NMR δ (CH= N) and 13C δ (C=N) spectral data have been correlated with Hammett substituent constants and F and R parameters using single and multi-linear regression analysis. From the results of statistical analysis, the effect of substituents on the above Spectral data has been studied.
    Źródło:
    World Scientific News; 2015, 9; 70-87
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis, spectral studies and antimicrobial activities of some substituted (E)-1-benzylidene-2-(4-bromophenyl)hydrazines
    Autorzy:
    Rajarajan, M.
    Senbagam, R.
    Vijayakumar, R.
    Manikandan, V.
    Balaji, S.
    Vanangamudi, G.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1194024.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Antimicrobial study
    Hammett equation
    Hydrazone
    IR spectra
    NMR spectra
    Synthesis
    UV
    Opis:
    A series of nine number of (E)-1-benzylidene-2-(4-bromophenyl)hydrazine compounds have been synthesized by the condensation reaction of 4-bromo phenylhydrazine with varies m- and p- substituted benzaldehydes using acetic acid catalyst were refluxed for 4h with 20 mL of absolute ethanol. The yield of synthesized (E)-1-benzylidene-2-(4-bromophenyl)hydrazine compounds are more than 80%. The synthesized (E)-1-benzylidene-2-(4-bromophenyl)hydrazines have been characterized by UV, IR, 1H and 13C spectral data. These UV, IR and NMR spectral data have been correlated with varies Hammett substituted constant and Swain-Lupton F and R parameters using single and multi- regression analysis. From the results of statistical analysis, the effects of substituent have been studied. The antimicrobial activity of all the synthesized substituted (E)-1-benzylidene-2-(4-bromophenyl)hydrazines have been evaluated using Bayer-Kirby method.
    Źródło:
    World Scientific News; 2015, 9; 144-160
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis, spectral correlation analysis and evaluation of antimicrobial activities of some (E)-1-(2,4-dimethylthiazol-5-yl)-3-phenylprop-2-en-1-ones
    Autorzy:
    Sathiyendiran, V.
    Balaji, S.
    Senbagam, R.
    Vijayakumar, R.
    Manikandan, V.
    Rajarajan, M.
    Muthuvel, I.
    Markandan, R.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031849.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    4-dimethylthiazol enones
    Antimicrobial activities
    Crossed-Aldol condensation
    E-2
    IR and NMR spectra
    Spectral correlation analysis
    Substituent effects
    UV
    Opis:
    In this work, an attempt was made to synthesized (E)-1-(2,4-dimethylthiazol-5-yl)-3-phenylprop-2-en-1-one by cross-aldol condensation reaction of 5′-acetyl-2,4-dimethylthiazole with various substituted Benz aldehyde in the presence base (sodium hydroxide). The synthesized (E)-1-(2,4-dimethylthiazol-5-yl)-3-phenylprop-2-en-1-one derivative was characterized by physical constants, UV, FT-IR, 1H-NMR & 13C-NMR spectral data. All the observed spectral data of substituted (E)-1-(2,4-dimethylthiazol-5-yl)-3-phenylprop-2-en-1-one compounds have been correlated with Hammett substituent constants(σ, σ+, σI & σR) and F and R parameters using single and multi-linear regression analyses and studied for their anti-microbial activities and compared with the standard drugs (Ciprofloxacin). Some compound of the series exhibited promising anti-microbial activity compared to standard drugs (Ciprofloxacin).
    Źródło:
    World Scientific News; 2020, 141; 66-90
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and spectral correlation studies of some (E)-N′-1-(substituted benzylidene) benzohydrazides
    Autorzy:
    Manikandan, V.
    Balaji, S.
    Senbagam, R.
    Vijayakumar, R.
    Rajarajan, M.
    Vanangamudi, G.
    Arulkumaran, R.
    Sundararajan, R.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1162032.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (E)-N’-1-(substituted benzylidene) benzohydrazides
    IR and NMR spectra and Correlations
    UV
    Opis:
    About ten substituted (E)-N’-1-(substituted benzylidene) benzohydrazides have been synthesized. They are characterized by their analytical, ultraviolet, infrared and NMR spectral data. The effects of substituent on these data have been studied using Hammett equation.
    Źródło:
    World Scientific News; 2018, 111; 26-39
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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