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Quantitative Structure--Retention Study of Some 2,4-dioksotetrahydro- 1,3--thiazole Derivatives Using the Partial Least Squares Method
2,4-dioksotetrahydro-1,3-thiazoles Quantitative Structure-Retention Relationships (QSRR) Molecular descriptors Partial Least Squares Regression (PLS)
2010/4/9
Thin-layer chromatography on rice starch support and aqueous ammonia--organic modifier (methanol, dioxane, and acetone) mobile phases was used to study the effect on retention of the chromatographic s...
The Synthesis and Antimicrobial Activity of \\\g-Butyrolactone Derivatives
Btyrolactone derivatives antimicrobial activities
2010/4/16
This paper examines the synthesis of g-butyrolactone compounds 2, 3, 4, 5, and 9, and their potential antimicrobial nature and ability. The structures of all the compounds mentioned above were determi...
Synthesis and Antimicrobial Activity of Some 3(2H)-Pyridazinone and 1(2H)-Phthalazinone Derivatives
3(2H)-pyridazinone 1(2H)-phthalazinone antimicrobial activity
2010/4/16
Some 3(2H)-pyridazinone and 1(2H)-phthalazinone derivatives were synthesized. The structures of these new compounds were confirmed by IR, 1H-NMR, mass spectrum, and elemental analysis. The synthesized...
Efficient Synthesis of Imidazole Derivatives: An Important Synthon for the Preparation of Biologically Active Compounds
Imidazole N-chlorosuccinimide chloroimidazole chloroimidazole-carboxaldehyde
2010/4/16
4(5)-Chloro-imidazole-5(4)-carboxaldehyde derivatives are important precursors for the preparation of biologically active compounds. We developed a simple, novel, and efficient method for the synthesi...
Behaviour of Salicylaldehyde and Some of Its Derivatives in the Biginelli Reaction for the Preparation of Aryl Tetrahydropyrimidines
Salicylaldehyde derivatives Biginelli reaction Michael addition
2010/4/16
Salicylaldehyde and some of its derivatives react with urea (or thiourea) and ethyl acetoacetate (the Biginelli reaction) to give products that depend on the type of the substituent in the ortho-posit...
Synthesis and Characterizations of Some New 4H-1,2,4-Triazole Derivatives
4H-1,2,4-triazole 1,3,4-thiadiazole 1,3-benzoxazole salicyl aldehyde acetylation acrylonitrile acrylic acid
2010/4/16
3-[(5-Amino-1,3,4-thiadiazol-2-yl)methyl]-4-ethoxycarbonylamino-5-alkyl-4H-1,2,4-triazoles (2a,b) were obtained from the reaction of 3-cyanomethyl-5-alkyl-4-ethoxycarbonylamino-4H-1,2,4-triazoles (1a...
A Convenient Method for the Preparation of 2-Aminobenzophenone Derivatives under Ultrasonic Irradiation
the Preparation 2-Aminobenzophenone
2010/4/19
A quick and convenient method for the preparation of 2-aminobenzophenone derivatives is described. This approach consists of the nucleophilic substitution reaction of nitrobenzenes by phenylacetonitri...
Prediction of Acidity Constants of Thiazolidine-4-carboxylic Acid Derivatives Using Ab Initio and Genetic Algorithm-partial Least Squares
Ab initio partial least squares genetic algorithm acidity constant thiazolidine-4-carboxylic acid
2010/4/19
A quantitative structure-property relationship study is suggested for the prediction of the acidity constants of some thiazolidine-4-carboxylic acid derivatives in aqueous solution. Ab initio theory w...
Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) as Donor Ligands in Organotin(IV) Derivatives: Synthesis, Spectroscopic Characterization and Biological Applications
Derivatives Synthesis Spectroscopic Characterization Biological Applications
2010/4/20
Some new di- and tri-organotin(IV) derivatives of 4 different non-steroidal anti-inflammatory drugs (NSAIDs) with the general formulae R2SnL2 and R3SnL (where R = n-C8H17 and C6H5CH2) and L = 2-[(2,3-...
Synthesis and Complex Formation of Some Novel vic-Dioxime Derivatives of Hydrazones
vic-Dioximes Glyoximes Hydrazone compounds Metal complexes
2010/4/20
Three novel vic-dioxime compounds and their transition metal complexes were synthesized for the first time. These ligands are anti-glyoximehydrazine (GH2), anti-2-pyridinealdehydeglyoxime hydrazone (P...
Synthesis, Characterization and Biological Applications of Organotin(IV) Derivatives of 2-(2-Fluoro-4-biphenyl)propanoic Acid
Synthesis Characterization Biological 2-(2-Fluoro-4-biphenyl)propanoic Acid
2010/4/21
A series of organotin(IV) derivatives with the general formula R4 - nSnLn (where n = 1 or 2, R = Me, Et, n-Bu, Ph and L = 2-(2-fluoro-4-biphenyl)propanoate) have been synthesized and characterized by ...
Synthesis and Antimicrobial Testing of Some Flavonylsulfonamide Derivatives
Flavonylsulfonamides synthesis antimicrobial
2010/4/21
Six new 4-amino-N-heteroaryl,N-[(2-phenyl-4H-1-benzopyran-4- oxo-6-yl)metil]benzensulfonamide derivatives, (3a-3f) were prepared by reacting 6-bromomethylflavone with the corresponding sulfonamide der...
Synthesis of azobenzo[b]thiophene derivatives and their dyeing performance on polyester fibre
Synthesis azobenzo[b]thiophene derivatives polyester fibre
2010/4/22
Ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate was synthesised by the reaction of cyclohexanone and sulphur with ethylcyanoacetate. The 2-aminothiophene derivative was diazotised and ...