[PDF] Top 20 Synthesis and characterization of some new 1, 4, 5 trisubstituted imidazole 2 thiols derivatives
Has 10000 "Synthesis and characterization of some new 1, 4, 5 trisubstituted imidazole 2 thiols derivatives" found on our website. Below are the top 20 most common "Synthesis and characterization of some new 1, 4, 5 trisubstituted imidazole 2 thiols derivatives".
Synthesis and characterization of some new 1, 4, 5 trisubstituted imidazole 2 thiols derivatives
... the imidazole structure, which is known to possess a broad spectrum of biological activities, such as antibacterial, fungicidal [1], sympathomimetic activity [2], anti-retrovirus activity and ... See full document
6
One Pot Synthesis and Characterization of Some New 1,3,5 Trisubstituted Pyrazoline Derivatives
... hydroxide 4% (4 mL) and phenylhydrazine (3 mmol) in ethanol (20 mL) was refluxed with stirring for 3-5 hrs until ...H 2 SO 4 to gives a green ... See full document
6
Synthesis and Characterization of New Heterocyclic Compounds from 2, 5- dimercapto -1, 3, 4-Thiadiazole and Their Resins Shetha F.Al-Zubiady | Israa Abdul Satar Ismael | Ban Dh. Ismael
... a new 1, 3, 4-Thiadiazole derivatives have been synthesized by many heterocyclic ...(2, 5 – dimercapto -1, 3, 4-Thiadiazole) a variety of derivatives have ... See full document
14
SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF SOME NEWLY 1, 2, 4 TRIAZOLE DERIVATIVES
... the synthesis of 3-(2-(4H- 1,2,4-triazol-4-yl)ethylamino)-2-(5-methoxy/ ethoxy-2-substituted alkyl/aryl-1H-indol-3-yl) thiazolidin-4-ones (5a-5h): In a ethonolic solution ... See full document
9
SYNTHESIS, CHARACTERIZATION AND PHARMACOLOGICAL EVALUATION OF SOME NEW 6 (3,5 SUBSTITUTED 2 BROMO/HYDROXY PHENYL) 1,2,4 TRIAZINE DERIVATIVES AS ANTICONVULSANT AGENTS
... million new cases are added to this figures. 3-4 The currently available antiepileptic drugs (AEDs) in clinical practice produce effective seizure control only in 70% of ...patients. 5 Moreover, ... See full document
11
Synthesis and antibacterial activity of some new imidazole, Imidazo[2,1-c]triazole and Imidazo[1,2-e]tetrazole derivatives
... of 1-(3-phenylallylidene)thiosemicarbazide 2a-c with ethyl chloroacetate gave (3- phenylallylideneamino)-2-thioxoimidazolidin-4-one ...(3-phenylallylideneamino)imidazolidin-4-one ... See full document
7
Synthesis and characterization of some new 3, 5 disubstituted pyrimidine and thiopyrimidine derivatives
... A mixture of 1-(1-(5-chloro-2-hydroxyphenyl)-3-(4-methoxyphenyl)-prop-2-en-1-one (2a-e) (0.01 mol) and urea (0.01 mole) in ethanol (30 ml) containing alcoholic KOH (1mL) ... See full document
5
SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF SOME NEW 2-THIOXOIMIDAZOLIDIN-4-ONE DERIVATIVES
... Fig. 5 shows antibacterial activity of synthesized 2-thioxoimidazolidin-4-one derivatives against Gram positive and Gram negative ...is 2- thioxoimidazolidin-4-one but ... See full document
7
Synthesis of some novel 2, 4, 5 –trisubstituted thiazoles as possible antibacterial agents
... thiazole derivatives were screened for anti bacterial activity against Escherichia coli, Staphylococcus aureus, Micrococcus luteus, Bacillus subtilis, Bacillus cereus, Pseudomonas aeruginosa bacterial strains by ... See full document
5
Synthesis and characterization of some new 3, 5 disubstituted pyrazoline and isoxazoline derivatives
... [3] O. Ahmet; T. Z. Gulhan; A. K. Zafer, Euro. J. Med.Chem., 2007, (42), 403. [4] G. S. Aysel; Demirayak; C. Gultaze et.al, Euro. J. Med. Chem., 2000, (35), 359. [5] Z. Brzozwski; F. S. Czewski; Gdaniec, ... See full document
5
SYNTHESIS AND CHARACTERIZATION OF NEW SUBSTITUTED 2 (2 ARYL DIAZENYL) – H BENZO (d) –IMIDAZOLE DERIVATIVES
... All reagents were purchased from Sigma–Aldrich and Qualigens and are used without further purification. 1 H NMR spectra were recorded on a Bruker Spectrospin Avance DPX400 Ultrashield (400 and 300-MHz) ... See full document
5
SYNTHESIS OF 2, 4, 5 TRIPHENYL IMIDAZOLE DERIVATIVES AND BIOLOGICAL EVALUATION FOR THEIR ANTIBACTERIAL AND ANTI INFLAMMATORY ACTIVITY
... survey, imidazole derivatives show various activity such as antimicrobial, anti- inflammatory, analgesic, antitubercular, anticancer ...basic imidazole nucleus. Having structural similarity with ... See full document
7
Synthesis and Evaluation of Novel 2-bromo- 4-nitro-1, 5-diphenyl substituted -1-H-imidazole Derivatives as Anticancer Agent
... novel 2–bromo-4-nitro-1, 5-dihenyl substituted - 1H-imidazole derivatives were screened for anticancer ...The derivatives were screened for anticancer activity by using ... See full document
5
Synthesis, Characterization and Pharmacological Studies of Chalcone and Quinazolines Containing 2, 4, 6-trisubstituted s-Triazine Derivatives
... of 2-[4’-{3”-(4’’’-N,N-dimethylamino phenyl)propen-1”-one}phenyl-1’- ...give 2-[4’-{3”-(4’’’-N,N-dimethylamino phenyl) propen-1”-one} phenyl-1’-yl- ... See full document
11
Synthesis of New Some Imidazole Derivatives Containing ?-Lactam Ring Firyal Waly Askar | Rana Abid Ali | Thanaa Mahdi Al-Mouamin
... work 5-methylene-yl - (2-methy –oxazole-4-one) (1H) imidazole (1) were synthesized from the reaction of L-Histidine with acetic anhydride and which converted to the of ... See full document
10
Synthesis and Characterization of Novel Trisubstituted N-(2-methoxy-4-nitrophenyl)-1-phenyl-5-aryl-1 H-pyrazol-3-Amine Derivatives
... The condensation reaction of cinnamamide derivative 3a and phenyl hydrazine in various solvent was observed in reflux condition with stirring (Scheme 2). Among the various solvent ethanol found as suitable solvent ... See full document
9
Synthesis, Characterization and Anticonvulsant Activity of Some Novel 4, 5-Disubstituted-1, 2, 4-Triazole Derivatives
... novel 4, 5-disubstituted-1,2,4-triazoles (6a-o) were synthesized on refluxing hydrazinecarbothiomides with an aqueous solution of sodium hydroxide starting from methyl-4-hydroxy benzoate via ... See full document
10
Synthesis, Spectroscopic Characterization and Antimicrobial Activity of Some New 2 Substituted Imidazole Derivatives
... compounds 2, 3, 6, 13, 15a, 15b, 17, 20, 21, 22 and 23 were screened for their antimicrobial activi- ties in vitro against two species of Gram-positive bacteria, namely Staphylococcus aureus (RCMB 0100010) and ... See full document
14
Synthesis, Characterization and Biological Evaluation of IH-Substituted 2, 4, 5- Triphenyl Imidazole Derivatives.
... and some time more toxicity, the discovery of new drugs that are more potential and less toxic is ...The synthesis of derivatives has been an important part and is aimed at modifying the ... See full document
150
Design and synthesis of some Imidazole derivatives containing 4-(3,5-dichloro -2-hydroxyphenyl) imidazole moiety as antibacterial agents
... Preparation of 1-(2-hydroxy-3,5-dichlorophenyl)-2-bromoethanone (3a): 1-(3,5-dichloro-2- hydroxypheny d………………………………………………….l)ethanone (2a) (0.01M) dissolved in acetic acid (0.02M) ... See full document
5
Related subjects