Ara
Toplam kayıt 22, listelenen: 11-20
Synthesis and antimicrobial activity evaluation of new norfloxacine-azole hybrids
(Walter de Gruyter Gmbh, 2018)
Norfloxacin-azole hybrids 3 and 6a,b were synthesized starting from norfloxacin. the treatment of these compounds with amines as a one-pot three-component reaction produced the corresponding amino derivatives 4a,b, 7a-g ...
Structure-based hybridization, microwave prompted synthesis and biological evaluation of novel 4-(2-fluoro-4-nitrophenyl)morpholine derivatives
(Bentham Science Publ Ltd, 2018)
1,3,4-oxadiazole-2-thiole 6 was obtained from 4-(2-fluoro-4-nitrophenyl)morpholine (2) by the reduction of its nitro group and the sequential treatment of the resulting amine with ethyl bro-moacetate, hydrazine hydrate, ...
Synthesis and antimicrobial activities of some new biheterocyclic compounds containing 1, 2, 4-triazol-3-one and 1, 3, 4-thiadiazole moieties
(TÜBİTAK, 2010)
2-(4-Amino-3-(4-chlorophenyl)-5-oxo-4, 5-dihydro-1 H-1, 2, 4-triazol-1-yl)-N'-[(2, 6 dihalogenophenyl)-methylene]acetohydrazides (3a, b) was obtained via the formation of 2-(4-amino-3-(4-chlorophenyl)-5-oxo-4, 5-dihydro-1 ...
Synthesis of some new biheterocyclic triazole derivatives and evaluation of their antimicrobial activity
(TÜBİTAK, 2010)
2-{3-(4-Substitutedbenzyl)-4-[2-(1H-indol-3-yl)ethyl]-5-oxo-4, 5-dihydro-1H-1,2,4-triazol-1-yl}-N' -(arylmethylene) acetohydrazides (5a-g), 4-amino-2-{3-(4-substitutedbenzyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1- yl}-N' ...
Volatile constituents and antimicrobial activities from flower and fruit of arbutus unedo L.
(2010)
Essential oils isolated by hydrodistillation from flower and fruit of Arbutus unedo growing in Turkey were analyzed by GC and GC/MS. Forty-nine compounds, representing around 95% of the total oils were identified. ...
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
(TUBİTAK, 2010)
The synthesis of ethyl [3-(cyanomethyl)-5-alkyl-4H-1,2,4-triazol-4-yl] carbamates (2a-d) was performed starting from ethyl 2-[ethoxy(4-(aryl)methylene] hydrazinecarboxylates (1a, 1b). The treatment of 2a with thiosemicarbazide ...
Synthesis and antimicrobial activity of methoxy azachalcones and N-Alkyl substituted methoxy azachalconium bromides
(TÜBİTAK, 2011)
In this study, 18 new N-octyl, N-decyl, and N-dodecyl substituted o-, m-, and p-methoxy (E)-3-and 4-azachalcones, {4-or 3-[(1E)-3-(4-, 3-, or 2-methoxyphenyl)-3-oxoprop-1-en-1-yl]-1-alkyl (C8,10,12) pyridinium bromides} ...
Microwave assisted essential oil analysis and antimicrobial activity of M. alpestris subsp. alpestris
(2011)
The present work describes the chemical composition and antimicrobial activity of the essential oil of Myosotis alpestris F.W. Schmidt subsp. alpestris (Boraginaceae). The essential oil was obtained from all parts of the ...
Antimicrobial activity and volatile constituents of the flower, leaf, and stem of Paeonia daurica grown in Turkey
(TÜBİTAK, 2011)
The volatile constituents of the essential oils from the flower, leaf, and stem of Paeonia daurica Andrews were analyzed by GC and GC-MS. A total of 74 compounds were identified, constituting over 95.0%, 80.8%, and 98.2% ...
Reduction, Mannich reaction, and antimicrobial activity evaluation of some new 1,2,4-triazol-3-one derivatives
(TÜBİTAK, 2012)
Ethyl[4-arylmethyleneamino-3-(4-metylphenyl)-5-oxo-4,5-dihydro-1H -1,2,4-triazole-1-yl]acetates (3a-e and 10a-d) were obtained starting from 4-amino-2,4-dihydro-3H -1,2,4-triazol-3-ones (1 and 9) in 2 steps. The treatment ...