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Quantum chemical studies on tautomerism and basicity behavior of some 1,2,4-triazole derivatives
tautomerism acidity constant nucleophilicity
2010/12/29
The acidity constants, relative stabilities, and tautomeric equilibrium constants of some 1,2,4-triazole derivatives were determined using the density functional theory (DFT) with the B3LYP method and...
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
1,3,4-Thiadiazole 1,2,4-triazole carbamate
2010/12/29
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). The treatment of...
Synthesis of some new biheterocyclic triazole derivatives and evaluation of their antimicrobial activity
1,2,4-Triazole 1H-indole 1,3,4-thiadiazole
2010/10/15
2-{3-(4-Substitutedbenzyl)-4-[2-(1H-indol-3-yl)ethyl]-5-oxo-4,5- dihydro-1H-1,2,4-triazol-1-yl}-N'-(aryl-methylene)acetohydrazides (5a-g), 4-amino-2-{-(4-substitutedbenzyl)-5-oxo-4,5-dihydro-1H-1,2,4-...
Synthesis and Antimicrobial Evaluation of Novel Di-triazoles and 4-Arylidene Amino 4,5 Dihydro-1H-[1,2,4] triazole-5-one Derivatives
Triazole-5-one, Schiff base, antimicrobial activity, X-ray
2010/4/16
A series of novel di-[3(thiophen-2-yl-methyl)-4,5-dihydro-1H- [1,2,4]triazole-5-one-4yl]n-alkanes (2a-h) were obtained by the reaction of N'-1-ethoxy-2-thiophen-2-yl-ethylydene hydrazino carboxylic ac...
专著信息
书名
Synthesis and Characterization of New Coordination Polymers Generated from Triazole-Containing Organic Ligands and Inorganic Ag(I) Salts
语种
英文
撰写或编译
作者
董育斌,王海英,马建平
第一作者单位
出版社
Crystal Growth,De...
期刊信息
篇名
Synthesis and Plant Growth Regulating Activity of 1-(1-phenyl-1,2,4-Triazole-3-oxy Acetoxy) Alkyl Phosphonates
语种
英文
撰写或编译
撰写
作者
HE Hong-Wu,MENG LI-Ping,HU LI-Ming,Liu Zhao-Jie
第一作者单位
华中师范大学
刊...
Synthesis and Antimicrobial Activities of Some New 1,2,4-Triazole Derivatives
Acyl hydrazone 1,2,4-triazole 1,3,4-oxadiazole Schiff Base reduction acetylation antimicrobial activity
2010/4/16
A series of acylhydrazones (2a-f) were synthesized by the condensation of iminoester hydrochlorides (1a-f) with acyl hydrazines. 2,5-Dialkyl 1,3,4-oxadiazoles (3a,c,e) were obtained in the same reacti...
Synthesis of Some Novel 3,5-Diaryl-1,2,4-Triazole Derivatives and Investigation of Their Antimicrobial Activities
Acyl hydrazone 1,2,4-triazole 1,3,4-oxadiazole Schiff base reduction acetylation antimicrobial activity antifungal activity
2010/4/16
A series of acylhydrazones (2a-d) was synthesized from the reactions of iminoester hydrochlorides (1a-e) with acyl hydrazines. 2,5-Dialkyl 1,3,4-oxadiazoles (3a-d) were obtained in the same reaction m...
Synthesis and Anticancer Evaluation of Some New Unsymmetrical 3,5-Diaryl-4H-1,2,4-Triazole Derivatives
4H-1,2,4-Triazoles 4-Amino-4H-1,2,4-triazoles 4-Arylidenamino-4H-1,2,4-triazoles 4-Arylmethylenamino-4H-1,2,4-triazoles Synthesis Anticancer activity
2010/4/19
A series of 4-arylidenamino-4H-1,2,4-triazole derivatives (3-11) were synthesized from the treatment of 4-amino-4H-1,2,4-triazoles (2) with certain aldehydes. Compounds 3-11 were reduced with NaBH4 to...
Synthesis of Novel 4-Alkylidene- and 4-Alkylamino-5-oxo-4,5-Dihydro-[1,2,4] triazole Derivatives and Investigation of Their Antitumor Activities
Imine bond antitumor activity capron aldehyde cyclohexane carboxaldehyde 5-oxo-[1,2,4]triazole
2010/4/20
A series of novel 3-alkyl-4-cyclohexylmethylenamino-5-oxo-4,5-dihydro-[1,2,4]triazoles (6a-e) and 3-alkyl-4-hexylidenamino-5-oxo-4,5-dihydro-[1,2,4]triazoles (7b-e) were synthesized from the reaction ...
A Convenient Synthesis of 3,6-Disubstituted-1,4-Dihydro-[1,2,4,5]Tetrazines and Preparation of New Acetic Acid Derivatives Containing 5-Oxo-4-Phenylamino- 4,5-Dihydro-[1,2,4]Triazole
Conformer geometrical isomer ethyl bromoacetate imine bond 5-oxo-[1,2,4]triazole [1,2,4,5]tetrazine
2010/4/20
A series of compounds 8a-e, was synthesized by condensation of compounds 7a-e with ethyl bromoacetate. The treatment of compounds 8a-e with hydrazine hydrate afforded the corresponding hydrazide deriv...
Synthesis and Antimicrobial Activity of Some Pyridyl and Naphthyl Substituted 1,2,4-Triazole and 1,3,4-Thiadiazole Derivatives
Synthesis Antimicrobial Activity 1,2,4-Triazole 1,3,4-Thiadiazole
2010/4/21
Synthesis of new 1,2,4-tri and 1,3,4-thiadiazoles, bearing isomeric pyridyl and 1-naphthyl is reported using 1,4-disubstituted thiosemicarbazides in alkaline and acidic media, respectively. The methyl...
Synthesis of Some New Substituted 1,2,4-Triazole and 1,3,4-Thiadiazole and Their Derivatives
1,2,4-Triazole 1,3,4-Thiadiazole Derivatives
2010/4/21
Several 5-(isomeric pyridyl)-4-aryl-1,2,4-triazole-3-thiol/yl-thiomethyl/yl-thioethyl/yl-thiobenzyl and yl-thioglycolic acids were prepared as possible biologically active agents. The infrared, nuclea...
A Quantum-Chemical Investigation on 5,5'-BI(1H-1.2,4-Triazole))
Quantum-Chemical Investigation 5,5'-BI(1H-1.2,4-Triazole))
2010/8/15
The conformational analysis of flexible 5,5'-bi(1H-1,2,4-triazole) molecule containing various reaction centers has been performed by the semiempirical methods MNDO,AM1 and PM3, and the internal rotat...