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Toplam kayıt 126, listelenen: 1-10
Synthesis, characterization and cyclization reactions of some new bisthiosemicarbazones
(Arkat, 2009)
The reaction of trans-1, 4-dichloro-2-butene 1 with selected phenols affords (E)-1, 4-bis(aryloxy)-2-butenes 2a-d which are converted into bis-thiosemicarbazones 3a-h via the reactions with thiosemicarbazide and 4-methyl ...
Chemical constituents and antimicrobial activities of the essential oils from Sedum pallidum var. bithynicum and S. spurium grown in Turkey
(Taylor&Francis LTD., 2010)
Chemical compositions of the essential oil of Sedum pallidum Bieb. var. bithynicum (Boiss.) and S. spurium Bieb. (Crassulaceae) from Turkey were investigated by GC-MS, and antimicrobial activity of the oil samples were ...
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
(MDPI, 2010)
Some novel 4,5-disubstituted-2,4-dihydro-3H-1,2,4-triazol-3-one (3, 6, 8, 9) derivatives and or 3-(4-methylphenyl)[1,2,4]triazolo[3,4-b][1,3]benzoxazole (5) were synthesized from the reaction of various ester ethoxycarbo ...
Synthesis and biological evaluation of a new series of 4-alkoxy-2-arylquinoline derivatives as potential antituberculosis agents
(2015)
Three new series of 33 quinolone compounds, 2-(2-, 3-, and 4-fluorophenyl)-4-O-alkyl(C5−15) quinolines (7a– k, 8a–k, and 9a–k), were synthesized from 2-(2-, 3-, and 4-fluorophenyl)-2,3-dihydroquinolin-4(1H )-one (4, ...
Antibacterial activity of bryophyte species against Paenibacillus larvae isolates
(2017)
This study was performed to determine the antibacterial activity of methanol extracts of 23 bryophyte species against Paenibacillus larvae isolates that cause American foulbrood diseases in honeybee larvae. The honey and ...
Chemical composition and antimicrobial activity of essential oils from tortella inclinata var. Densa, T. Tortusa and pleurochaete squarrosa
(Chemical Publishing Co., 2014)
Although some chemical compositional data are available about the extracts of Tortella tortusa and Pleurochaete squarrosa, there is no investigation about the compositions and antimicrobial activities of the volatiles from ...
Essential oil analysis and antimicrobial activity of neckera complanata (Hedw.) huebener and neckera crispa Hedw. (Neckeraceae) grown in Turkey
(Chemical Publishing Co., 2014)
In this work, the essential oils obtained by hydrodistillation from Neckera complanata (Hedw.) Huebener and Neckera crispa Hedw (Neckeraceae) were analyzed by GC-FID and GC-MS. Twenty-one compounds in the oil of N. complanata, ...
Synthesis of novel symmetrical 1,4-disubstituted 1,2,3-bistriazole derivatives via 'click chemistry' and their biological evaluation
(Mdpi, 2016)
A series of symmetric bis-1,2,3-triazole compounds 2-5(a-f) were synthesized as potential antioxidant agents via click chemistry. Their structures were confirmed by H-1-NMR and C-13-NMR. All of the synthesized compounds ...
Microwave assisted synthesis of some hybrid molecules derived from norfloxacin and investigation of their biological activities
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2013)
Norfloxacin was converted to 7-(4-amino-2-fluorophenyl)piperazin derivative (2) via the formation of nitro compound. the synthesis of the norfloxacin derivatives containing 1,3-thiazole or 1,3-thiazolidin moiety was performed ...
Ecofriendly solventless synthesis and reduction reaction of some triazole compounds and evaluation of their antimicrobial activity
(Taylor & Francis Inc, 2013)
A number of triazole-3-one compounds have been synthesized, and reduction of the carbonyl group in the molecule has been carried out to give a corresponding hydroxyl group that possesses asymmetric carbon atom in good ...