[PDF] Top 20 Synthesis, Characterization and Antimicrobial Activity of Newly Substituted 3-Aroyl Flavanones

... 2004). Flavanones are the important class of flavanoids containing a 2-phenyl-benzopyran-4-one skeleton, Flavanones are commonly found in various citrus fruits and ...Synthetic flavanones have ... See full document

... of synthesis, characterization and biological activity of several new substituted N-benzhydrylpiperidin-4-amine derivatives (7a-7j) have been synthesized by reductive amination of ... See full document

... good activity against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus and 3b, 3c shows good activity against Aspergillus Niger, Penicillium species and Candida albicans, compare to ... See full document

... the activity of our synthesized compounds and Ciprofloxacin and Clotrimazole as standard drugs was ...componds 3, 4, 5, 11, 14, 16 and 18 showed a slight activity against Gram-positive bacteria due ... See full document

... H-NMR spectrum of the compound (N3), as shown in Fig. 3, a clear singlet signal at the chemical shift δ=8.40 ppm with integration equal 1 represents a proton (N=C-H) and multiple signals in the range δ=7.85-8.30 ... See full document

... The mixture of 4-azido-7-methoxy quinoline 2, (0.0033 mol) and ethyl acetoacetate, (0.0033 mol) in ethanol (20 ml) was cooled to 0 0 C and to this sodium ethoxide (0.005 mol) was added under inert atmosphere and stirred ... See full document

... of 3-((2-(2-(4H- 1,2,4-triazol-4-yl)ethyl)hydrazono)methyl)-5-methoxy/ethoxy-2-substi- tuted-1H-indoles (3a-3h) with chloroacetyl chloride and thioglycolic acid ...the newly synthesized compounds were ... See full document

... antifungal activity against Aspergillus fumigatus at concentrations of 250ppm,500ppm and ...any activity against Salmonella typhimurium even at higher concentration of ...antifungal activity against ... See full document

... To a stirred solution of potassium hydroxide (0.01 mol) in DMF (20 ml) was added compound 2 (0.01mol). Af- ter the mixture was stirred for 30 min, phenyl isothiocyanate (0.01 mol) was added to the resulting mixture. ... See full document

... antibacterial activity as stated in (Table ...moderate activity against ...weak activity against Salmonella typhi Vibrio chlorae, Shingella dysentery and found inactive against Pseudomonas aeroginosa ... See full document

... Synthesis of 6-bromo-2-methyl-4-(2-(1-phenylethylidene)hydrazinyl)quinoline (7a): An equimolar mixture of acetophenone (0.1 mmol) and (6-bromo-2-methyl-quinolin-4-yl)-hydrazine (0.1 mmol) were dissolved in ethanol ... See full document

... antibacterial activity of the synthesized compounds against two gram-positive bacteria Staphylococcus aureus-ATCC 25923 and Bacillus subtilis- ATCC 6633 and gram-negative bacteria Pseudomonas aeruginosa-ATCC 10145 ... See full document

... containing substituted benzyolacetophenone and their complexes with Ni(II), Cu(II) & Fe(III) has been ...their antimicrobial activity .The Characterization of these complexes is achieved ... See full document

... of substituted pyrazole were synthesized from chalcones. The substituted pyrazole prepared from chalcones with substituted phenylhydrazine in acetic ...The antimicrobial activity of all ... See full document

... In a 250ml beaker, 2-mercapto benzimidazole (0.75g, 5mmol) in dry N, N-dimethylformamide (8ml) was added to a solution of sodium (0.12g, 5 mmol) in dry methanol (2.5ml). After 10 min of stirring at room temperature, a ... See full document

... the synthesis of fungicides, virucides, biocides, alkaloids, rubber chemicals and flavouring ...antitumor activity due to the formation of stable complex with ...the synthesis of substituted ... See full document

... and antimicrobial activity of new schiff bases containing coumarin moiety and their spectral characterization by ...on synthesis and antimicrobial activity of schiff ...bases. ... See full document

... antibacterial activity of the compounds thus prepared has been evaluated following the filter paper disc technique of Vincent and ...the antimicrobial activity of the test agents was determined by ... See full document

... The newly synthesised compounds were characterized on the basis of elemental analysis and 1H NMR, IR spectral ...their antimicrobial activity against gram +ve and gram -ve ...comparable ... See full document

... identification, synthesis and development of new chemical entities suitable for therapeutic ...antiproliferative, antimicrobial and antifungal activities ... See full document