Konu "Microwave" için listeleme
Toplam kayıt 22, listelenen: 1-20
-
Conventional and microwave irradiated synthesis, biological activity evaluation and molecular docking studies of highly substituted piperazine-azole hybrids
(Elsevier Science Inc, 2017)Azole derivatives (3, 6) obtained starting from 1-(2-methoxyphenyl)piperazine were converted to the corresponding Mannich bases containing beta-lactame or flouroquinolone core via a one pot three component reaction. the ... -
Conventional and microwave-assisted synthesis of novel 1,2,4-triazole derivatives containing tryptamine skeleton and evaluation of antimicrobial activity
(Bentham Science Publishing, 2021)1,2,4-Triazole-3-one (3) obtained from tryptamine was transformed to the corresponding carbox(thio)amides via several steps (6a-d). Their reaction with sodium hydroxide performed the 1,2,4triazole derivatives (7a-d). ... -
The effect of different cooking methods on the antioxidant activity of wild Swiss chard (Beta vulgaris L. var. cicla)
(Czech Academy Agricultural Sciences, 2023)This study aimed to investigate the effects of different cooking methods (boiling for 5 min and 8 min, micro-wave cooking for 3.5 min and 6.5 min, and stir-fry for 5 min and 10 min) on wild chard's antioxidant activity and ... -
Efficient microwave assisted synthesis of some new benzimidazoles containing the mebendazole nucleus
(Science Reviews 2000 Ltd, 2013)A simple and practical method has been developed for the synthesis of benzimidazoles containing the biological active mebendazole nucleus. Iminoester hydrochlorides of phenylacetic acids were used as intermediates in the ... -
An efficient synthesis of benzimidazoles via a microwave technique and evaluation of their biological activities
(Springer Wien, 2013)A simple and practical protocol was developed for the synthesis of benzimidazoles. the protocol uses iminoester hydrochloride which is very useful in the reaction with 4,5-dichloro-1,2-phenylenediamine under microwave ... -
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 ... -
Microwave-assisted and conventional synthesis of new phthalocyanines containing 4-(p-fluorophenyl)-3-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one moieties
(Elsevier, 2007)New metal-free and metal (Zn, Ni, Cu and Co) phthalocyanines containing 4-(p-fluorophenyl)-3-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one moiety have been prepared from 1-(3,4-dicyanophenyl)-4-(p-fluorophenyl)-3-methyl-4,5- ... -
Microwave-assisted synthesis and characterization of phthalocyanines substituted with azo compound containing eugenol moiety
(Elsevier, 2011)The new metallophthalocyanines (Co, Ni, Cu, and Zn) substituted with azo compound containing eugenol moiety are described. Firstly, azo compound (I) containing eugenol moiety was synthesized by treating eugenol with ... -
Microwave-assisted synthesis of new benzimidazole derivatives with lipase inhibition activity
(Taylor & Francis Ltd, 2014)A practical protocol has been used for the synthesis of benzimidazoles. the reaction of iminoester hydrochlorides of phenylacetic with 4,5-dichloro-1,2-phenylenediamine under microwave irradiation leads to the benzimidazole ... -
Microwave-assisted synthesis, characterization and aggregation properties of phthalocyanines containing azo dye
(Asian Journal of Chemistry, 2013)The new zinc phthalocyanines substituted with azo compound are described. Firstly, azo compound (I) was synthesized by treating phenol with 4-iodoaniline. Then phthalonitrile compounds (1, 2 and 3) were synthesized by ... -
Molecular docking studies and synthesis of novel bisbenzimidazole derivatives as inhibitors of alpha-glucosidase
(Pergamon-Elsevier Science Ltd, 2016)A series of bisbenzimidazole derivatives starting from o-phenylenediamine and 4-nitro-o-phenylenediamine were prepared with oxalic acid. Most of the reactions were conducted using both the microwave and conventional methods ... -
Novel microwave assisted synthesis and antimicrobial activity of new quinolone-hybrids
(Bentham Science Publ Ltd, 2016)Background: Carbo(thio)amid derivatives 4a, 4b were obtained starting from nalidixic acid in three steps. the acidic treatment of compound 4a generated the corresponding 1,3,4-oxadiazole (5), while the compound 4a gave ... -
Rapid and efficient synthesis of a new series of 2-aryl-5-fluoro-6(4-phenylpiperazin-1-yl)-1H-benzimidazoles using microwave heating
(Sage Publications Ltd, 2015)A new series of 2-aryl-5-fluoro-6-(4-phenylpiperazin-1-yl)-1H-benzimidazoles was synthesised from the reaction of 4-fluoro-5-(4-phenylpiperazin-1-yl) benzene-1,2-diamine and iminoester hydrochlorides. 4-Fluoro-5-(4-pheny ... -
A simple and efficient synthesis of benzimidazoles containing piperazine or morpholine skeleton at C-6 position as glucosidase inhibitors with antioxidant activity
(Academic Press Inc Elsevier Science, 2018)A novel 2-(aryl)-6-morpholin-4-yl(or 4-methylpiperazin-1-yl)-1H-benzimidazole derivatives were designed and expeditiously synthesized starting from 5-morpholin-4-yl(or 4-methylpiperazin-1-yl)-2-nitroaniline with various ... -
A simple and efficient synthesis of novel inhibitors of alpha-glucosidase based on benzimidazole skeleton and molecular docking studies
(Academic Press Inc Elsevier Science, 2016)A novel series of benzimidazole derivatives were prepared starting from o-phenylenediamine and 4-nitro-o-phenylenediamine with iminoester hydrochlorides. Acidic proton in benzimidazole was exchanged with ethyl bromoacetate, ... -
Solvent-free synthesis of novel phthalocyanines containing triazole derivatives under microwave irradiation
(Pergamon-Elsevier Science Ltd, 2013)An efficient microwave processing method has been developed for the synthesis of novel metal-free phthalocyanine and metallophthalocyanines containing 1,2,4-triazole-3-one derivatives under microwave irradiation in ... -
Structure-based hybridization, conventional and microwave irradiated synthesis, biological evaluation and molecular docking studies of new compounds derived from thiomorpholin
(Bentham Science Publ Ltd, 2017)Background: the amine 2 obtained via two steps starting from thiomorpholine was converted into the corresponding 1,3-thiazole (4), arylmethileneamino (5a- d) and hydrazide (7) derivatives using conventional and also microwave ... -
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 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 ... -
Synthesis and antimicrobial activity of new piperazine-based heterocyclic compounds
(Walter de Gruyter Gmbh, 2017)The hydrazide 5, that was obtained from -1-(4-fluorophenyl) piperazine (1), was converted to the cor-responding carbothioamides 6a-c by the reaction with alkyl(aryl) isothiocyanates. the synthesis of conazole analogs 10a-f ...