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An efficient synthesis of Schiff bases containing benzimidazole moiety catalyzed by transition metal nitrates
A simple and efficient method has been developed for the synthesis of some novel Schiff bases via the reaction of aromatic aldehydes with 2-aminobenzimidazole by using catalytic amount ofExpand
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Simple Synthesis and Biological Evaluation of Some Benzimidazoles Using Sodium Hexafluroaluminate, Na 3 AlF 6 , as an Efficient Catalyst
Considerable attention has been focused on the synthesis of benzimidazoles due to having a broad spectrum of biological activities such as anti-parasitic, fungicidal, anti-thelemintic andExpand
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Synthesis of a new class of azathia crown macrocycles containing two 1,2,4-triazole or two 1,3,4-thiadiazole rings as subunits
Abstract A series of new 1,2/1,3-bis[ o -( N -methylidenamino-5-aryl-3-thiol-4 H -1,2,4-triazole-4-yl)phenoxy]alkane derivatives 3a – d and bis[ o -( NExpand
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Synthesis, Characterization and Antibacterial Activity of some Novel Thiosemicarbazides, 1,2,4-Triazol-3-thiols and their S-substituted Derivatives
The thiosemicarbazides 3a-c were appeared by reaction of the corresponding substituted hydrazides 1a-c with allylisothiocyanate 2. Synthesis of some novel 1,2,4-triazole-thiols 4a-c bearing a pyridylExpand
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Efficient One-Pot Synthesis of Polyhydroquinoline Derivatives Using Silica Sulfuric Acid as a Heterogeneous and Reusable Catalyst Under Conventional Heating and Energy-Saving Microwave Irradiation
Abstract An efficient Hantzsch four-component condensation reaction for the synthesis of polyhydroquinoline derivatives was reported under two conditions: solvent-free conventional heating andExpand
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Synthesis, characterization, and antibacterial activities of some novel N,N′-disubstituted thiourea, 2-amino thiazole, and imidazole-2-thione derivatives
In the search of bioactive molecules, a series of novel N-substituted thiourea derivatives 3(a–d) are prepared by reaction of the α-amino pyridyl ketone hydrochloride (2a) with the corresponding arylExpand
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Synthesis, characterization and antimicrobial activities of some novel bis-chalcones
A series of novel bis-chalcones 3a–n were synthesized in excellent yields by condensation reaction of 1,4-diacetylbenzene with various aldehydes in ethanol 96% and aqueous NaOH at room temperature.Expand
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Synthesis, Characterization, and Herbicidal Activities of New 1,3,4‐Oxadiazoles, 1,3,4‐Thiadiazoles, and 1,2,4‐Triazoles Derivatives Bearing (R)‐5‐Chloro‐3‐fluoro‐2‐phenoxypyridine
Synthesis of some novel 1,2,4-triazoles, 1,3,4-oxadiazoles and 1,3,4-thiadiazoles bearing a (R) 5-(1-(4-(5-chloro-3-fluoropyridin-2-yloxy)phenoxy)ethyl) unit, as a moiety of commercial herbicide,Expand
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An Electrochemical Sensor for Determination of Ultratrace Cd, Cu and Hg in Water Samples by Modified Carbon Paste Electrode Base on a New Schiff Base Ligand
This paper describes the preparation and electrochemical application of a new chemically modified electrode for simple and highly sensitive simultaneous determination of copper, mercury and cadmiumExpand
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