[PDF] Top 20 Synthesis, characterization and antibacterial activity of some new chalcone derivatives
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Synthesis, characterization and antibacterial activity of some new chalcone derivatives
... prospective antibacterial activities at the concentrations 50 µg/mL with reference to the standard antibacterial drug ...excellent activity and remaining all compounds displayed good activity ... See full document
6
Synthesis, Characterization and Antibacterial Activity of Carbamate Derivatives of Isatin
... The antibacterial activity was performed in nutrient agar medium containing ...well).The activity was determined after incubation for 24 h at 37 o C by the comparison of inhibition of growth ... See full document
5
Synthesis, Characterization and Study Antibacterial Activity of some New 1,3 oxazepine and 1,3 diazepine Derivatives
... biological activity against some type of bacteria, also it compared with traditional antibiotic and some of it were showed higher zone of inhibition than traditional antibiotic ... See full document
8
Synthesis, Characterization and Antibacterial Activity of Some Amino Acid Derivatives
... the synthesis of glycine and L-amino acid derivatives 6-10 (A,B) via Schiff`s bases 3 (A,B), which were obtained from the reaction of 2-aminopyridine 2 with benzaldehyde 1A or 4-chlorobenzaldehyde ... See full document
5
Synthesis, Characterization and Antibacterial Activity of Biologically Important Vanillin Related Hydrazone Derivatives
... one-pot synthesis of C-4 functionalized 1,2,3,4-tetrahydro quinolones con- taining a quaternary stereo center ...several new diseases are likely to affect the human ...the synthesis of new ... See full document
7
SYNTHESIS, CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF NOVEL ARYL SULFONE DERIVATIVES
... Cup plate method [21,22] using Mueller-Hinton agar medium was employed to study the preliminary antibacterial activity of IVa-IVh against Bacillus subtilis, Staphylococcus aureus, Eischerria coli and ... See full document
5
Synthesis, Characterization and antimicrobial evaluation of New Chalcone Derivatives From3- benzyloxy-4-methoxybenzaldehyde
... impergnted discs were applied to the surface of incubated plates. The Petri plates were placed in an incubator at 37C° after 18h of incubation the Petri plates were examined and it was found that all the test compounds ... See full document
8
Synthesis of New Chalcone Derivatives as Antibacterial Agents
... The synthesized compounds were purified by recrystallization and their structures were characterized by Physical constant, IR and NMR. They have shown single spot on TLC plate when observed under UV light; Melting points ... See full document
5
Microwave Synthesis, Characterization and Antimicrobial Activity of Some Chromene Derivatives
... assisted synthesis of Substituted Salicylaldehyde with 2-cyclopenten-1- /2-cyclohexen- 1-one in the presence of ammonium acetate with ethanol gives a good yield of some novel Chromene compounds (3a-3c and ... See full document
8
Synthesis, characterization & biological activity of some new thiosemicarbazide derivatives and their transition metal complexes
... An agar-well diffusion method was employed for evaluation of antibacterial activity. The bacterial strains were reactivated from stock cultures by transferring into Mueller Hinton Broth (MHB) and incubating ... See full document
9
Synthesis, Characterization, Antibacterial and Anticancer Activity of Some Novel Triazolyl Chromenone Derivatives
... An agar-well diffusion method was employed for evaluation of antibacterial activity. The bacterial strains were reactivated from stock cultures by transferring into MHB and incubating at 37°C for 18 h. A ... See full document
7
SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF SOME NEW BARBITONE DERIVATIVES
... among chalcone and barbitone derivatives, tested compounds 1c, 1h and 2i, 2j possesses very good against ...comparable activity against ...of antibacterial activity against ...good ... See full document
6
SYNTHESIS AND ANTIBACTERIAL EVALUATION OF SOME NEW COUMARIN DERIVATIVES OF PHARMACEUTICAL INTEREST
... of new coumarin derivatives were prepared by condensation of resorcinol and ethyl aceto acetate followed by sulfonation with chlorosulphonic acid and amination with various water soluble primary amines ... See full document
5
Design, Synthesis and Characterization of N-Phenylpyrazoline and 3,4- Dihydropyrimidine from Chalcone Derivatives and study their Biological Activities.
... Anti-diabetic activity was performed by the following procedure of ...anti-diabetic activity of the compound was evaluated by the α- glucosidase inhibition ... See full document
173
Synthesis of Some Pyrazolone Derivatives and Evaluation of its Antibacterial and Cytotoxic Activity
... their synthesis and bioactivity, chemists and biologists in recent years has directed considerable attention on the research of pyrazolone ...pyrazolone derivatives exert significant pharmacological ... See full document
8
SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF PYRIMIDINE DERIVATIVES
... A mixture of chalcone derivative (0.1 mol) and thiosemicarbazide hydrochloride (0.1 mol) and alcoholic solution of sodium hydroxide were taken into a reaction flask and heated under reflux for 4-5 hrs. The excess ... See full document
5
Synthesis, Characterization & Antimicrobial Activity of some new Dihydropyrimidinethione Derivatives
... applications, some new 4-Aryl-6-isopropyl-5-[N-(3-nitrophenyl)amino carbonyl]-3,4-dihydro pyrimidine-2(1H)-thione of type (2a-l) have been prepared by the cyclocondensation of ... See full document
7
Synthesis and antibacterial activity study of some new 1,3,4-thiadiazole derivatives
... The antibacterial activity of synthesized compounds (7a-f) were determined by using agar diffusion method and tube dilution method against one gram positive bacteria namely Staphylococcus aureusand three ... See full document
5
Synthesis, characterization and pharmacological activity of some new phthalimide derivatives
... N-substituted-phthalimide derivatives were synthesized according to the preferred synthetic ...These derivatives were prepared from phthalic anhydride and appropriate aliphatic amines via direct fusion, ... See full document
5
Synthesis and characterization of some new pyrazolines derivatives and their biological activity
... pyrazole derivatives then characterized the products with infrared spectra, elemental analysis, mass spectra, 1 H and 13 C-NMR ...biological activity for some of the new pyrazoles were ... See full document
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