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Wyszukujesz frazę "Naliapara, Y. T." wg kryterium: Autor

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    Wyświetlanie 1-9 z 9
    Tytuł:
    Synthesis, characterization and antimicrobial activity of N’-benzylidene-5-bromothiophene-2-carbohydrazide derivatives
    Autorzy:
    Makwana, H.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/411935.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    2-carbohydrazide
    Schiff base
    antimicrobial activity
    Opis:
    Some new N’-benzylidene-5-bromothiophene-2-carbohydrazide derivatives possessing thiophene nucleus were synthesized and characterized by IR, NMR and mass spectral analysis. All synthesized compounds were screened for antimicrobial activity using cup plate method. All the compounds showed moderate to good antimicrobial activity and anti fungal activity.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 14, 1; 99-105
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis, characterization and biological evaluation of 2,5-di-substituted 1,3,4-oxadiazole derivatives
    Autorzy:
    Makwana, H.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/412282.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    substituted 1,2,3,4-oxadiazoles
    phosphoric anhydride
    antimicrobial activity
    Opis:
    We have reported some novel 1,3,4-oxadiazole synthesized by conventional method .The reaction of 5-bromothiophene-2-carbohydrazide and different benzoic acid derivatives reflux in toluene using phosphorus oxychloride as a catalyst, yielded a series of 2,5-di-substituted 1,3,4-oxadiazole HM-2a to HM-2t. The newly synthesized 2,5-di-substituted 1,3,4-oxadiazole were purified by column chromatography and characterized by IR, Mass, 1H NMR, 13C NMR spectroscopy and elemental analysis. All synthesized compounds were screened for antimicrobial activity using cup plate method. All the compounds showed moderate to good antimicrobial activity and anti fungal activity.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 15; 48-54
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simple and Efficient Three Component One-pot Synthesis of Pyrazolo[1,5,a]pyrimidines
    Autorzy:
    Morabia, A. R.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/411804.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Pyrazolopyrimidine
    5-amino-N-cyclohexyl-3-(methylthio)-1H-pyrazole-4-carboxamide
    1-(2-bromophenyl)-2-nitroethanone
    mild reaction condition
    Opis:
    A series of novel 5-(2-bromophenyl)-N-cyclohexyl-2-(methylthio)-6-nitro-7-phenyl-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxamides were synthesized by a one-pot reaction of 5-amino-N-cyclohexyl-3-(methylthio)-1H-pyrazole-4-carboxamide, 1-(2-bromophenyl)-2-nitroethanone and aryl aldehydes in the presence of boric acid in water at refluxing temperature. Structures of compounds were demonstrated by Fourier transform infrared, 1H NMR, 13C NMR and elemental analysis. The advantages of this method are mild reaction condition, good yields, and operational simplicity.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2015, 41; 73-81
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An efficient solid phase one port synthesis of Novel triazolo[1,5-a]pyrimidine derivatives from 4-(4-aminophenyl)morpholin-3-one and evaluation of their antimicrobial activity
    Autorzy:
    Prajapati, D. R.
    Vilapara, K. V.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/412307.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    1,2,4-triazole
    4-(4-aminophenyl)morpholin-3-one
    antibacterial
    antifungal
    biological assai
    Opis:
    A series of novel triazolo[1,5-a]pyrimidine derivatives was synthesized from 5-amino-1,2,4-triazole and biologically active morpholinone amine in excellent yield as promising class of antimicrobial agents. The antimicrobial activities were investigated against Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Staphylococcus pyogen, Candida albicans, Aspergillusniger, Aspergillusclavatus and compared with standard drugs Ampicillin, Chloramphenicol, Norfloxacin and Griseofulvin. All the synthesized compounds were characterized by IR, 1H NMR, 13C and mass spectroscopy. The result of antimicrobial activity data revealed that compound 4f,4g and 4i were found more active against bacterial species and compound 4c, 4d, 4g, 4i and 4jwere found more active against fungal strain, while other compounds shows moderate to law activity against microbes.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 14, 1; 12-21
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    One pot multi component synthetic approach towards the formation of 1,2,4-triazolo[1,5-a]pyrimidine analogues and their biological evaluation
    Autorzy:
    Khunt, H. R.
    Pipaliya, P. P.
    Ghelani, S. M.
    Babariya, J. S.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/411531.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Triazolopyrimidine
    one-pot multicomponent
    Opis:
    A library of functionalised 1,2,3-triazolo[1,5-a]pryrimidine derivatives has been synthesized by one pot multicomponenet reaction. All synthesized novel compounds were characterised by 1H NMR, IR, mass and elemental analysis. Compounds were also screened against bacterial and fungle strain.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 12; 20-25
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and characterization of fully substituted pyrimidines by using ketene dithioacetal as potent antimicrobial agent
    Autorzy:
    Khunt, H. R.
    Pipaliya, P. P.
    Ghelani, S. M.
    Babariya, J. S.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/412064.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    ketene dithioacetal
    pyrimidines
    guanidine
    biginelli reaction
    Opis:
    Various ketene dithioacetals of acetoacetanilides were reacted with guanidine nitrate in the presence of base to produce the 2-amino-4-isopropyl-6-alkoxy-N-arylpyrimidine-5-carboxamide derivatives with good yields. All the synthesized compounds were characterized by mass, NMR and IR and also evaluated for antimicrobial activity against five different bacterial and fungal strains. The compounds 4i, 4k and 4l has found comparatively good active against all the bacterial strains.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 5; 134-141
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and antimicrobal activities of some novel triazolo[1,5-a]pyrimidine derivatives
    Autorzy:
    Gami, S. P.
    Vilapara, K. V.
    Khunt, H. R.
    Babariya, J. S.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/412170.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    5-amino-1,2,4-triazole
    ketene dithioacetal
    antimicrobial activity
    triazolopyrimidine
    Opis:
    A convenient synthesis of substituted 1,2,4-triazolo[1,5-a]pyrimidine was carried out by the reaction of various ketene dithioacetals with 5-amino 1,2,4-triazole in methanol in presence of sodium methoxide. The newly synthesized compound were characterized by 1H NMR, 13C NMR, IR, MS, elemental analysis and screened for their antimicrobial activity against various strains of bacteria and fungi.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 11, 2; 127-134
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and Characterization of Novel (E)-1-(aylideneamino)-6-(4-methoxyphenyl)-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile derivatives
    Autorzy:
    Khunt, H. R.
    Babariya, J. S.
    Dedakiya, C. D.
    Maniar, C. A.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/412535.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    N-amino pyridine
    2-cyanoacetohydrazide
    1,3-diketone
    Opis:
    We have described simple facile method for the synthesis of Novel (E)-1-(aylideneamino)-6-(4-methoxyphenyl)-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile derivatives by using 1,3-diketone as synthon. All the synthesized compounds were characterized by IR, Mass and 1H NMR spectroscopy.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 11, 3; 185-192
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Two Step One-Pot Synthesis of Novel 5-(4-Fluorophenyl)-1H-Beno[e][1,4]Diazepin-2(3H)-One and it’s Base Catalyzed Transformation to N-Alkyl and C-3 Arylidene Derivatives
    Autorzy:
    Patel, Anil S.
    Khunt, H. R.
    Ghelani, S. M.
    Babariya, J. S.
    Vilapara, K. V.
    Naliapara, Y. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/412124.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    benzodiazepines
    base catalyzed
    cross-aldol
    Opis:
    We have demonstrated two step one-pot synthesis of novel 5-(4-Fluorophenyl)-1H-Beno[e][1,4]Diazepin-2(3H)-one using 2-Amino-4’-fluorobenzophenone as initial stating material. The small library of N-alkylation and C-3 benzylidene derivatives have been synthesized by base catalyzedreaction of 5-(4-fluorophenyl)-1H-benzo[e][1,4]diazepin-2(3H)-one (3) nucleus with various alkyl halides and aromatic aldehydes respectively.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 11, 2; 106-115
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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