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Synthesis and in vitro anti-Helicobacter pylori activity of 2-(substituted benzylthio)-5-(5-nitro-2- furyl)-1, 3, 4-thiadiazole derivatives
1,3,4-Thiadiazole nitrofuran anti-Helicobacter pylori activity
2010/4/8
Starting from (5-nitrofuran-2-yl)methylene diacetate, a new series of 2-[(substituted benzyl)thio]-5-(5-nitro-2-furyl)-1,3,4-thiadiazoles (6a-n) were synthesized and the structures of the compounds we...
One-pot synthesis of amidoalkyl naphthols using NaHSO4.SiO2 as an efficient and recyclable heterogeneous catalyst
NaHSO4.SiO2 amidoalkyl naphthol multi-component reaction heterogeneous catalyst amide
2010/4/8
An efficient synthesis of amidoalkyl naphthols using silica supported sodium hydrogen sulphate as heterogeneous catalyst under a thermal solvent-free green procedure is described. This simple protoco...
Application of FAM ligands in the metal-promoted catalytic enantioselective synthesis of organic compounds
the metal-promoted catalytic synthesis of organic compounds
2010/4/8
Novel ferrocenyl substituted aziridinyl methanol (FAM) ligands were synthesized and successfully used in metal-promoted catalytic enantioselective azomethine ylide cycloadditions, diethylzinc addition...
Synthesis, characterization, and antibacterial effect of 4-methoxy-2-(5-H/Me/Cl/NO2-1H-benzimidazol-2-yl)- phenols and some transition metal complexes
4-Methoxy-benzimidazolylphenol, metal complexes, antibacterial activity
2010/4/8
4-Methoxy-2-(5-H/methyl/chloro/nitro-1H-benzimidazol-2-yl)-phenol(HLX; X=1-4) ligands and HL1 complexes with Fe(NO3)3, Cu(NO3)2, AgNO3, and Zn(NO3)2 were synthesized and characterized. The structures...
The synthesis, characterization and energy transfer efficiency of a dithienylpyrrole and BODIPY Based Donor-Acceptor System
Fluorescence Resonance Energy Transfer Donor-Acceptor System Dithienylpyrrole BODIPY
2010/4/8
A dithienylpyrrole-BODIPY based donor-acceptor system with 1,4-phenylene spacer as a model system for energy transfer was designed and synthesized. Absorption and emission spectra have revealed an eff...
Synthesis, reactions, and antiarrhythmic activities of some novel pyrimidines and pyridines fused with thiophene moiety
Pyrimidine pyrimidinethione thiazolopyrimidine antiarrhythmic activity
2010/4/9
We report herein the synthesis and antiarrhythmic activities of some newly synthesized heterocyclic theino[2,3-c]pyrimidine and theino[2,3-c]pyridine derivatives fused with thiophene moiety. Initially...
Synthesis, Characterization, and Optical Properties of Novel 2,5-Bis[4-(2-(-arylvinyl)phenyl]-1,3,4-oxadiazoles
Stilbene 1,3,4-oxadiazole synthesis
2010/4/9
Six novel 2,5-bis[4-(2-arylvinyl)phenyl]-1,3,4-oxadiazoles were synthesized by introducing 1,3,4-oxadiazole moiety into the stilbene skeleton. The synthesis route included the cyclization of p-toluic ...
H2{SO}4-silica as an efficient and chemoselective catalyst for the synthesis of acylal from aldehydes under solvent-free conditions
Acylals aldehydes catalysis solvent-free reactions
2010/4/9
A variety of aldehydes react with acetic anhydride in the presence of a catalytic amount of H2SO4-silica to afford the corresponding 1,1-diacetates (acylals) in excellent yields. Ketones are not affec...
Synthesis and Antimicrobial Activity of Dinaphtho[2,1-b]furan-2-yl-methanone and Their Oxime Derivatives
Antimicrobial activity Naphtho[2,1-b]furan Benzofuran Ketoxime
2010/4/9
The reaction of 2-hydroxy-1-naphthaldehyde with 1,3-dichloroacetone and potassium carbonate was used to prepare dinaphtho[2,1-b]furan-2-yl-methanone (1) as starting reagents. In order to obtain dinaph...
Synthesis and evaluation of phenytoin derivatives as anticonvulsant agents
Phenytoin hydantoin anticonvulsant activity
2010/4/9
2,5-Dioxo-4,4-diphenylimidazolidine-1-carboxylic acid (2) was reacted with methyl ester of different amino acids (1a-c) and substituted benzhydrols (3a-b) in pyridine and in the presence of N,N dicycl...
[Pd(Me-Xanthate)2]: Synthesis, Characterization, and X-Ray Structure
Palladium(II) xanthate spectroscopy X-ray structure
2010/4/9
Potassium methyl xanthate and its complex [Pd(Me-Xanthate)2] were synthesized at room temperature under stirring conditions. The ligand and the complex were characterized by elemental analysis, IR, NM...
Synthesis and Biological Activity of 4-(4-Hydroxybenzylidene)-2- (substituted styryl) oxazol-5-ones and Their o-glucosides
Oxazolone a -acetobromoglucose decetylation o-glucosides antimicrobial antifungal activity
2010/4/9
The 4-(4-hydroxybenzylidene)-2-methyl oxazol-5-ones 1 were treated with various aldehydes in the presence of acetic acid to form 4-(4-hydroxybenzylidene)-2-(substituted styryl) oxazol-5-ones 2a-i, whi...
Synthesis of 5-Arylamino-1H (2H)-tetrazoles and 5-Amino-1-aryl-1H-tetrazoles from Secondary Arylcyanamides in Glacial Acetic Acid: A Simple and Efficient Method
5-Arylamino-1H (2H)-tetrazoles 5-amino-1-aryl-1H-tetrazoles arylcyanamides guanyl azides glacial acetic acid
2010/4/9
A simple and efficient method for the preparation of 5-arylamino-1H (2H)-tetrazoles (3a-i) and 5-amino-1-ary-1H-tetrazoles (4a-i), with excellent yields and high purity, from secondary arylcyanamides ...
Synthesis, Spectral Characterization, and Antimicrobial Activity of Arsenic(III) and Bismuth(III) tri[3(2´-hydroxyphenyl)-5-(4-subsituted phenyl)pyrazolinates]
Arsenic Bismuth Pyrazolinates Antimicrobial activity
2010/4/9
Arsenic(III) tripyrazolinates and bismuth(III) tripyrazolinates of the type M(C15H12N2OX)3 [where C15H12N2OX = 3(2'-hydroxyphenyl)-5-(4-substituted phenyl)pyrazoline] have been synthesized by the reac...
Ferric Hydrogen Sulfate as an Efficient Heterogeneous Catalyst for Environmentally Friendly Greener Synthesis of 1,8-Dioxo-Octahydroxanthenes
Fe(HSO4)3 dimedone heterogeneous catalyst 1,8-dioxo-octahydroxanthene
2010/4/9
Ferric hydrogen sulfate was used as an environmentally friendly heterogeneous acidic catalyst for the greener, 1-pot, 3-component synthesis of 1,8-dioxo-octahydroxanthene via condensation reactions be...