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Wyszukujesz frazę "Shah, J." wg kryterium: Autor


Wyświetlanie 1-11 z 11
Tytuł:
Synthesis and antimicrobial activity of coumarinyl Schiff base derivatives
Autorzy:
Mishra, A.
Rathod, J.
Namera, D.
Thakrar, S.
Shah, A.
Powiązania:
https://bibliotekanauki.pl/articles/411623.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
gram positive bacterial
gram negative bacterial
derivatives of coumarin
Opis:
We have reported some novel N’-[(1)-ethylidene]-2-(6-methyl-2-oxo-2H-chromen-4-yl) acetohydrazide synthesized by conventional method. The reaction of 2-(6-methyl-2-oxo-2H-chromen-4-yl)acetohydrazide with substituted benzaldehyde in methanol as a solvent yielded a series of (7a-l). The structures of all synthesized compounds are well characterized by Mass, FT-IR, 1H NMR, 13C NMR and elemental analysis. Moreover, all synthesized compounds were screened for in vitro antimicrobial activity against the gram positive (Staphylococcus aureus, Bacilluas subtilis) and gram negative (Escherichia coli, P. aeruginosa, K. pneunonae, Enterobacter) bacterial strain. In which some the compounds show potential inhibition against the test organisms.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 11, 3; 193-201
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and bioactivity study of 2-((E)-(((E)-2,6-dichlorobenzylidene)hydrazono)methyl) phenol have N,O-Bidentate ligand site and it’s metal complex
Autorzy:
Manawar, Rohit B.
Gondaliya, Mitesh B.
Mamtora, Mayank J.
Shah, Manish
Powiązania:
https://bibliotekanauki.pl/articles/1075460.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antifungal activity
Antimicrobial activity
Bioactivity
Elemental
IR
Mass
Metal complex
N
NMR
O-Bi-dentate ligand
Schiff base
Opis:
N,O-Bi-dentate ligands were prepared by the condensation of (E)-(2,6-dichlorobenzylidene) hydrazine with substituted Salicylaldehyde and different aromatic aldehydes. New synthesized metal complex are thermally stable and neither air- nor moisture sensitive at RT. Successive ligand and their metal complex are synthesized and characterized using IR, NMR, Elemental, Mass, Physical property. With Bioactivity study of ligand and there metal complexes.
Źródło:
World Scientific News; 2019, 126; 222-247
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Suzuki-Miyaura cross-coupling reaction catalyzed by new synthesized palladium complex containing N,N,O-Tridentate ligands
Autorzy:
Jadeja, Juvansinh J.
Gondaliya, Mitesh B.
Mokariya, Devang M.
Shah, Manish
Powiązania:
https://bibliotekanauki.pl/articles/1182763.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
N
O-Tridentate ligand
Palladium complex
Schiff base
Suzuki-Miyaura cross-coupling reaction
Opis:
N,N,O-Tridentate ligands were prepared by the condensation of 1-(Benzothiazole 2-yl) hydrazine with substituted salicyldehydes or different aromatic ketones. New synthesized metal complex are thermally stable and neither air- nor moisture-sensitive. Suzuki–Miyaura cross-coupling reaction is carried out in present of various ligands and palladium salts, Different solvent/water ratio with different Base and studied effects its effect on the performance of the coupling reaction.
Źródło:
World Scientific News; 2017, 66; 238-249
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis, spectral characterization and biological activity studies of Schiff’s base of 1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-4-amine and its metal complexes
Autorzy:
Jadeja, Juvansinh J.
Gondaliya, Mitesh B.
Mokariya, Devang M.
Shah, Manish
Powiązania:
https://bibliotekanauki.pl/articles/1192661.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Schiff Bases
anti-microbial activity
Metal complexes
spectral analysis
Opis:
N,O,O-donating tridentate ligand was prepared by condensed reaction 1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-4-amine with derivative of salicylaldehyde and its metal complexes with Zn, Cd and Hg, which is highly stable at room temperature and characterized by Mass spectra, IR, 1H and 13C NMR, ESI-MASS and TGA-DTA. Comparatively studies of anti-microbial and anti-fungal activity of different ligand and its metal complex carried out.
Źródło:
World Scientific News; 2016, 47, 2; 123-150
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reusable Nanocatalyst: Zirconia and Sulfated Zirconia
Autorzy:
Gondaliya, M. B.
Maheta, T.
Mamtora, M. J.
Shah, M. K.
Powiązania:
https://bibliotekanauki.pl/articles/411589.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Nanocatalyst
nanoparticles
Sulfated Zirconia
synthesis
Benzodiazepines
solid catalyst
solvent-free
green chemistry
Opis:
1,5-benzodiazepines have been synthesized by Nano Zirconia and Nano Sulfated Zirconia in solvent free conditions. Synthesis was carried out by conventional as well as microwave method. Benzodiazepines were synthesized by reacting o-phenylenediamine and few ketones in the presence of catalytic amount of Nanoparticles. Particles used were sized in between 53-100 nm. Nanoparticles were characterized by FT-IR, DLS and powder XRD analysis.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 17, 3; 295-302
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis, characterization and anti-bacterial activity of mix ligand complexes of copper with isonicotinic acid and different N-donor ligands
Autorzy:
Mokariya, Devang N.
Tejani, Rasik M.
Jadeja, Juvansinh J.
Shah, Manish K.
Powiązania:
https://bibliotekanauki.pl/articles/1031628.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antibacterial activity
Mix ligand complexes
N-donor ligands
Opis:
Metal complexes of copper with isonicotinic acid and different N-donor ligands like N-Ethyl Piperazine, N-Methyl Piperazine and 4-Methyl Pyridine are synthesized. Complexes are characterized by different techniques like Elemental analysis, IR Spectroscopy, MASS Spectroscopy, Conductance and TGA. Complexes are screened for antimicrobial activity.
Źródło:
World Scientific News; 2020, 146; 95-109
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Novel conversion of 4-aminoquinolines to new tricyclic (R,S)-3-methylazeto[3,2-c] quinolin-2(2aH)-ones and versatile one step synthesis of N-(quinolin-4-yl) carbamates from 4-aminoquinolines
Autorzy:
Kotadiya, V. C.
Viradiya, D. J.
Baria, B. H.
Kanzariya, J. S.
Kakadiya, R.
Shah, A.
Powiązania:
https://bibliotekanauki.pl/articles/412269.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
quinolin
carbamates
azeto-quinolinone
aminoquinolines
Opis:
Reaction of 4-aminoquinolines with 4-nitrophenyl chloroformate have resulted in finding a novel transformation of 4-aminoquinolines to tricyclic (R,S)-3-methylazeto[3,2-c]quinolin-2(2aH)-ones. The structure of azeto-quinolinone was determined via spectroscopic and chemical methods. Various alcohols were used as nucleophiles to open the 1-azetinone ring to give the corresponding N-(quinolin-4-yl)carbamates in good yields. We also found a new and versatile one step synthesis of N-(quinolin-4-yl)carbamates by reacting 4-aminoquinolines with alkyl chloroformates in the presence of anhyd K2CO3 in acetonitrile.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 11, 3; 265-276
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Highly efficient and eco-friendly one-pot synthesis of penta substitute pyrrole derivatives under catalyst-free conditions
Autorzy:
Viradiya, D. J.
Baria, B. H.
Kakadiya, R.
Kotadiya, V. C.
Shah, A.
Powiązania:
https://bibliotekanauki.pl/articles/412605.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
one-pot synthesis
penta-substituted pyrrole derivatives
multi-component reactions
Opis:
An eco-friendly and efficient one-pot synthesis of penta-substituted pyrrole derivatives via a four-component reaction of maldrum’s acid, arylglyoxal monohydrate, dimethyl but-2-yne-dioate and amines under catalyst-free conditions in an environmentally friendly medium is described. The simple experimental procedure, catalyst-free reaction conditions, short period of conversion, and excellent yields are the advantages of the present method. Good chemical yields have been achieved without the need for chromatography and recrystallization or other purification methods.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 11, 3; 257-264
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis, Characterization and Biological evaluation of some newer 5-[6-chloro/fluoro/nitro-2-(p-chloro/ fluoro/ methyl phenyl)-quinolin-4-yl]-1,3,4-oxadiazole-2-thiols
Autorzy:
Faldu, V. J.
Talpara, P. K.
Bhuva, N. H.
Vachharajani, P. R.
Shah, V. H.
Powiązania:
https://bibliotekanauki.pl/articles/412197.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Quinolines
1,3,4-oxadiazole-2-thiols
therapeutic agents
antimicrobial assai
Opis:
Recent study shows that quinolines represent one of the most active classes of compounds possesses wide spectrum biodynamic activities and use as potent therapeutic agents. In present research work, 5-[6-chloro/fluoro/nitro-2-(p-chloro/fluoro/methyl phenyl)-quinolin-4-yl]-1,3,4-oxadiazole-2-thiols have been synthesized by condensation of substituted quinoline-4-carbohydrazides and mixture of carbon disulphide and potassium hydroxide. All of these compounds were screened for their in vitroanti microbial assay against gram (+ve), gram (-ve) bacteria and fungi activity compared with standard drugs viz., Ampicilin, Chloramphenicol, Ciprofloxacin, Norfloxacin, Griseofulvin and Nystatin at different concentrations.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 6; 26-32
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Novel synthesis of 3-(((E)-benzylidene)amino)-5-((Z)-3,4-dimethoxybenzylidene)-2-phenyl-3,5-dihydro-4H-imidazol-4-one derivatives as potent antimicrobial agents
Autorzy:
Manawar, Rohit B.
Parmar, Mukesh B.
Nayaka, Indresh J.
Pandit, Brinda H.
Shah, Manish K.
Powiązania:
https://bibliotekanauki.pl/articles/1066261.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
4H-imidazol-4-one
A. niger
Anti-fungal
Anti-microbial Agent
Bioactivity
C. albicans
E. coli
Elemental analysis
IR spectroscopy
Mass spectroscopy
NMR spectroscopy
P. aeruginosa
S. aureus
S. pyogenes
Opis:
Novel synthesis of 4H-imidazol-4-one derivative by reaction of (Z)-3-amino-5-(3,4 dimethoxybenzylidene)-2-phenyl-3,5-dihydro-4H-imidazol-4-one with derivative of different aromatic aldehydes and Salicyldehyde. New synthesized compound are thermally stable and neither air-nor moisture sensitive at RT. Successive library of synthesized compound characterized using IR, NMR, Elemental, Mass, and its antimicrobial activity study.
Źródło:
World Scientific News; 2019, 130; 42-70
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis of novel 2-mercapto-4-(p-aminophenyl sulphonylamino)-6-(aryl)-pyrimidine-5-carboxamide derivatives via the Biginelli reaction
Autorzy:
Bhuva, N. H.
Gothalia, V. K.
Singala, P. M.
Talpara, P. K.
Faldu, V. J.
Shah, V. H.
Powiązania:
https://bibliotekanauki.pl/articles/412069.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
2-mercapto-4-(p-aminophenylsulphonylamino)-6-(aryl)-pyrimidine-5-carboxamide
Biginelli condensation
Opis:
Series of 2-mercapto-4-(p-aminophenylsulphonylamino)-6-(aryl)-pyrimidine-5-carboxamide Aa-h were synthesized via the biginelli condensation. 2-mercapto-4-amino-6-(aryl)-pyrimidine-5-carboxamide react with p-acetamidophenylsulphonylchloride in the presence of pyridine 2 to form 2-mercapto-4-(p-acetamidophenylsulphonylamino)-6-(aryl)-pyrimidine-5-carboxamide 3. It was treated with diluted HCl under reflux afforded 2-mercapto-4-(p-aminophenylsulphonylamino)-6-(aryl)-pyrimidine-5-carboxamide A a-h. The newly synthesized compounds were characterized by elemental analyses, infrared (IR), 1H NMR and 13 C NMR spectroscopic investigation.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 17, 2; 168-173
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-11 z 11

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