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Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
1,3,4-Thiadiazole 1,2,4-triazole carbamate antimicrobial activity
2010/12/20
The synthesis of ethyl [3-(cyanomethyl)-5-alkyl-4H-1,2,4-triazol- 4-yl]carbamates (2a-d) was performed starting from ethyl 2-[ethoxy(4- (aryl)methylene]hydrazinecarboxylates (1a, 1b).
Synthesis and single crystal structure analysis of three novel benzoylthiourea derivatives
Thiourea derivatives benzoylthioureas single crystal X-ray structures
2010/4/8
N,N-dimethyl-N' -(2-methylbenzoyl)thiourea, C11H14N2SO (HL1), N,N-dibutyl-N' -(2-methylben\-zoyl)thiourea, C{17}H{26}N2SO (HL2), and N,N-dihexyl-N' -(2-methylbenzoyl) thiourea, C{21}H{34}N2SO (HL3) we...
Synthesis and Antimicrobial and Antitumor Activity of Some New [1,2,4] Triazole-5-one Derivatives
Triazole-5-one acetophenone NaBH4 antimicrobial antitumor activity
2010/4/9
4-[Arylidene-amino]-3-thiophen-2-ylmethyl-4,5-dihydro[1,2,4]triazole-5-one compounds (3a-g) with Schiff base character were obtained from the reaction of 4-amino-3-thiophen-2-ylmethyl-4,5-dihydro-1H-[...
Microwave-Assisted Synthesis of Some Metal-Free Phthalocyanine Derivatives and a Comparison with Conventional Methods of their Synthesis
Synthesis metal-free phthalocyanines microwave irradiation conventional heating lithium pentanol
2010/4/9
Synthesis of metal-free 2,9(10),16(17),23(24)-tetra(3,5- dimethylphenoxy) phthalocyanine, 2,9(10),16(17), 23(24)-tetra(4- tert-butylphenoxy) phthalocyanine, and 2,9(10),16(17),23(24)-tetra(3,5- di-ter...
二(2-苯基-8-羟基喹啉)锌及其衍生物的电子光谱性质的含时密度泛函理论研究(TD-DFT Study on Electronic Spectrum Properties of Bis(2-phenyl-8-hydroxyquinolato)zinc and Its Derivatives)
8-羟基喹啉锌衍生物 电子光谱 激发态 含时密度泛函理论
2010/8/24
采用从头算(ab initio)和密度泛函理论(DFT B3LYP)方法。对二(2-苯基-8-羟基喹啉)锌(Zn(qPh)2)及其衍生物的基态结构进行优化,同时用ab initio HF单激发组态相互作用(CIS)法在6-31G基组上优化其最低激发单重态几何结构,用含时密度泛函理论(TD-DFT/B3LYP)及6-31G基组计算吸收和发射光谱。计算表明,该类物质电子在基态与激发态间的跃迁,主要是电...
Spectroscopic Characterisation and Biological Applications of Organotin(IV) Derivatives of 3-(N-Naphthylaminocarbonyl)-2-propenoic Acid
Organotin(IV) carboxylates biological studies spectroscopic studies
2010/4/19
In an effort to develop new organotin materials for investigation and biocidal evaluation, a series of compounds with the general formula R4 - nSnLn (where R = CH3, n-C4H9, C6H5, C6H5CH2 and L = 3-(N-...
Application of Quantitative Structure-Retention Relationships (QSRR) to a Set of Organic Bromo and Nitrile Derivatives
QSRR - Quantum mechanical molecular descriptors - Retention Index - Bromo and Nitrile Derivatives
2010/4/22
The retention times are studied for two sets of 1-bromo-2-aryiloxyetanes and 3- aryloxypropiononitriles derivatives by means of Quantitative Structure-Retention Relationships (QSRR}). Five quantum mec...
Comparative Mechanistic Studies on the Oxidation of Aromatic and Aliphatic Hydroxyl Derivatives in an Alkaline Medium at Preanodized Pt, Au and Pt/Au Electrodes in Presence of Redox Mediators
Comparative Mechanistic Studies Oxidation of Aromatic Aliphatic Hydroxyl Derivatives Alkaline Medium at Preanodized Pt, Au Pt/Au Electrodes in Presence of Redox Mediators
2010/6/29
The role of redox mediators obtained from Pt, Au, and Pt/Au electrodes in the process of electrocatalytic oxidation of aromatic/aliphatic hydroxyl derivatives in an alkaline medium has been studied by...