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Wyszukujesz frazę "Patel, S.R." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Synthesis and in vitro antimicrobial evaluation of some new chalcones containing vinyl ester group and substituted alkyl chain
    Autorzy:
    Sharma, Vinay S.
    Patel, R. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1191249.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Antibacterial
    Antifungal
    Chalcone
    Vinyl ester
    Opis:
    A novel series of chalconyl vinyl ester based derivatives were designed and synthesized. The newly synthesized compounds were studied for efficacy against several bacteria (E.Coli, P.Aeruginosa, S.Aureus, S.Pyogenus) and fungi (C.Albicans, A.Niger, Clavatus) using the broth dilution technique. Chalcones were prepared by treatment of 4-iodo acetophenone with 4-hydroxy benzaldehyde by Claisen-Schimidt condensation reaction. Various chalconyl vinyl ester derivatives (C1-C8) were prepared by reaction of chalcone with 4-n-alkoxy cinnamic acids derivatives. Compound C8 shows the best bioactive desired antibacterial analogue with less MIC value against different tested strains. All the final synthesized compounds were characterized by IR, 1H NMR, and elemental analysis.
    Źródło:
    World Scientific News; 2016, 54; 240-251
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mesogenic Dependence of Chalconyl Schiff’s Bases on Molecular Rigidity and Flexibility
    Autorzy:
    Pandya, S. H.
    Patel, V. R.
    Doshi, A. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1178290.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Enantiotropy
    Liquid Crystals
    Mesomorphism
    Nematic
    Smetic
    Opis:
    A novel homologous series R0-C6H4.CH:N-C6H4.CO.CH:CH-C6H4-OC6H13(n) of liquid crystal property is synthesized and studied with a view to understand and establish the effect of molecular structure on liquid crystal properties with respect to Schiff base and chalconyl central bridges as well as changing left n-alkoxy terminal and right n-hexyloxy fixed tail ended group. Homologous series consisted of eleven (C1 to C16) homologues in which the nematogenic mesomorphism commences from C3 homologue and continued to last C16 homologue without exhibition of smectogenic property. Rest of the C1 and C2 homologues are nonmesomorphic, whose Latent transition temperature (LTT) are predicted by extrapolation of N-I transition curves. Odd-even effect is observed for N-I transition curve. N-I transition curve and Cr-N/I transition curve behaved in normal manner. The Nematic thermal stability is 72.2 ° C. The minimum and maximum nematogenic mesophaselengths are ranging between 12.0 °C and 30.0 °C at C16 and C14 homologue respectively. Transition temperatures were determined by an optical polarizing microscopy (POM), equipped with a heating stage. Thermal analytical and spectral data confirms the molecular structures of homologues. The novel homologous series of chalconyl Schiff’s base is low melting series, whose mesogenic transition temperatures ranges between 43.0 °C and 79.0 °C.
    Źródło:
    World Scientific News; 2017, 86, 3; 242-252
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and in vitro antibacterial and antifungal evaluation of quinoline analogue azetidin and thiazolidin derivatives
    Autorzy:
    Prajapati, S. M
    Vekariya, R. H.
    Patel, K. D.
    Panchal, S. N.
    Patel, H. D.
    Rajani, D. P.
    Rajani, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412324.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    antibacterial
    antifungal
    quinoline
    azetidin derivatives
    thiazolidin derivatives
    Opis:
    A library of quinoline analog two novel series of azetidin (SH1-5) and thiazolidin (SHa-e) derivatives were designed and synthesized with simple and eco-friendly methodologies. The structures of the compounds were elucidated with the aid of elemental analysis, IR, 1H-NMR and mass spectral data. These novel synthesized compounds were evaluated for antibacterial activity against two gram-positive bacteria (Staphylococcus aureus, Staphylococcus pyogenus) and two gram-negative bacteria (Pseudomonas aeruginosa, Escherichia coli). The title compounds were also studied for their antifungal activity with Candida albicans, Aspergillus niger, Aspergillus clavatus using the broth dilution technique. Most of the compounds were the best bio-active desired antibacterial analog with less MIC value against different tested strains.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 20, 2; 195-210
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Environmentally and Economically Feasibility Manufacturing Process of Potassium Nitrate for Small Scale Industries: A Review
    Autorzy:
    Joshi, C. S.
    Shukla, M. R.
    Patel, K.
    Joshi, J. S.
    Sahu, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/411997.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Chemical
    discharge
    ions
    Salts
    Waste
    Opis:
    Potassium Nitrate (PN) is of the basic need of chemical industry. With increase of demand in different production section of fertilizer, pharmaceutical, explosive, food industry etc, potassium nitrate the production becoming non economical to industry. The operating conditions and parameters are the main factors, which responsible for maximised the profits. The main aim of this study is to compared the production potassium nitrate in profitable as well as environmentally suitability way. From the literature different manufacturing process has been summarized for concluding this study.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2015, 41; 88-99
    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 1-5 z 5

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