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Toplam kayıt 8, listelenen: 1-8
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 of some 5(6)-nitro-1h-benzimidazoles and their hydrazide derivatives
(Chem Soc Ethiopia, 2013)
A series of 5(6)-nitro-1H-benzimidazole and their hydrazide derivatives were synthesized starting from iminoester hydrochloride and 4-nitro-o-phenylenediamine under microwave irradiation. the structure of all synthesized ...
Synthesis and pharmacological activities of some new 2-[1-Heptyl-3-(4-methoxybenzyl)-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl] acetohydrazide derivatives
(Walter de Gruyter Gmbh, 2014)
In the present investigation, the key intermediate acetohydrazide derivative 5 was synthesized starting from 3-(4-methoxybenzyl)-4-amino-4,5-dihydro-1,2,4-triazol-5-one (1) by a four-step reaction. Thiosemicarbazides 6a-f ...
Synthesis of new fluorine-containing 1,2,4-triazole-5-on derivatives with their anti-urease, anti-xanthine oxidase and antıoxidant activities
(Editura Acad Romane, 2016)
Acetohydrazide derivatives (3a, b) were obtained starting from 3-(2 or 4-fluorobenzyl)-4-amino-4,5-dihydro-1H-1,2,4-triazole-5-one (la, b) by two steps. Compounds 3a, b were converted to the corresponding methylideneacetohydrazide ...
Synthesis and study of antitumor activity of some new 2-(4-methoxybenzyl)-1h-benzimidazole derivatives bearing triazole, oxadiazole and ethanol moiety
(Editura Acad Romane, 2016)
A series of novel 1,2-disubstituted benzimidazole derivatives containing hydrazinecarbothioamide (7a-c), 1,2,4-triazole (8a-c) and 1,3,4-oxadiazole (5) moiety were synthesized starting from 2-(4-methoxybenzyl)-1H-benzimidazole. ...
Experimental and theoretical studies of 4-[(4-methyl-5-phenyl-4h1,2,4-tiıazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile
(Soc Chemists Technologists Madeconia, 2016)
In this study, 4-[(4-methy1-5-pheny1-4H-1,2,4-triazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile was synthesized and its molecular structure was characterized by means of FT-IR. and X-ray diffraction methods. the crystal is ...
New pyridine derivatives as antiurease inhibitors: Synthesis and their evaluation for antimicrobial activities
(Editura Acad Romane, 2017)
6-Morpholin-4-ylpyridin-3-amine (3) gathered starting from morpholine by two steps was converted into the corresponding arylidenehydrazides through the reaction with several aromatic aldehydes. the treatment of compound 3 ...
An efficient synthesis of some new bisbenzimidazoles via microwave technique
(2014)
2,2’-[1,4 (1,3)-Phenylenedi(methylene)]bis-1 H -benzimidazole derivatives were obtained from the reaction of 1,4- or (1,3)-bisiminoester hydrochloride and o -phenylenediamine derivatives under microwave irradiation. Ester ...