Pyrazolone derivatives
Synthesis of Some Pyrazolone Derivatives and Evaluation of its Antibacterial and Cytotoxic Activity
... substituted pyrazolone derivatives exert significant pharmacological properties,as per as synthesis is concerned pyrazolens are synthesised by various ways, one common method is to synthesize from chalcones ...
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Strategies for chemical synthesis of pyrazolone derivatives and their bio significance
... decades, pyrazolone derivatives have been used for various biochemical ...these derivatives such as metamizole, phenazone, aminopyrine and propyphenazone, are widely used as anti- inflammatory and ...
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Synthesis of some new pyrazolone derivatives as potent antimicrobial agents
... targeted pyrazolone derivatives (5a-f, 6a-f, and 8a,b) were obtained in excellent yields by refluxing 2-Aryl-5-methyl-2,4-dihydro-3H-pyrazol-3-one (3a,b) with various substituted carbaldehydes (4a-f, 7) and ...
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Pyrazolone part 3: Antibacterial activity of novel 4 substituted pyrazolone derivatives
... In the present research work, the motto was to develop new chemical entities as potential antibacterial agents. Various 4-(2-amino-6-(substituted)pyrimidin-4-yl)-3-methyl-1- (substituted)-1H-pyrazol-5(4H)-one ...
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Synthesis characterization and antimicrobial activity of pyrazolo pyrazolone derivatives (Mannich Reactions)
... mentioned derivatives like melting point of all the pyrazole derivatives ranges between 180-215C, the thin layer chromatography by using silica gel-G as adsorbent and benzene: methanol (6:4) as a solvent ...
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INTERNATIONAL JOURNAL OF PHARMACEUTICAL, CHEMICAL AND BIOLOGICAL SCIENCES Available online at www.ijpcbs.com A CATALYTIC METHOD FOR THE SYNTHESIS OF PYRAZOLONE DERIVATIVES USING HETEROPOLYACIDS AND STUDY OF THE ANTI-BACTERIAL ACTIVITY
... hydrazines derivatives with 1,3-diketones or their synthetic equivalents ( -oxoesters, -oxonitriles, - dialkylamino- or -alkoxyvinyl ketones) known as the Knorr pyrazole synthesis 21 ...
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Synthesis of Quinoline Containing Pyrazolone Derivatives and their Biological Studies
... pyrazol-3-ones derivatives were synthesized by the condensation of substituted 5-methyl-2,4-dihydro-pyrazol-3- ones with 6/8-substituted-2-chloro/hydroxy ...
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Chemical and Electrochemical Studies of para-Hydroazo-pyrazolone Derivatives as Corrosion Inhibitors for Mild Steel in Hydrochloric Acid Solutions
... (antipyrine) derivatives verse mild steel corrosion in 1 M HCl solution has been performed by chemical method(WL), electrochemical techniques (Tafel polarization, electrochemical frequency modulation (EFM) and ...
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SYNTHESIS AND BIOLOGICAL SIGNIFICANCE OF PYRAZOLONES: A REVIEW
... Pyrazolone derivatives are an important class of heterocyclic compounds that occur in many drugs and synthetic products 3, 4 ...activity, pyrazolone framework plays an essential role and represents ...
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PYRAZOLONE: A NEW PROFILE OF BIOLOGICAL ACTIVITIES AND SYNTHESIS
... Two series of novel rigid pyrazolone derivatives were synthesized and evaluated as inhibitors of Mycobacterium tuberculosis (MTB), the causative agent of tuberculosis. Two of these compounds showed a high ...
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Journal of Applied Pharmaceutical Science
... some pyrazolone derivatives with imidazole, benzimidazole and benztriazole moiety were synthesized and tested for their anti-inflammatory activity in-vitro using celecoxib as a reference ...
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Corrosion Inhibition of Carbon Steel by 1-Phenyl-3-Amino-5- Pyrazolone in H2SO4 Solution
... that pyrazolone derivatives can be used as potential ...the pyrazolone derivative 1- phenyl-3-amino-5-pyrazolone (PAP), as corrosion ...
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3D QSAR studies for some pyrazolones against a pathogen
... 3D QSAR viz. 3 descriptor quantitative structure and activity relationship studies for a series of compounds i.e. pyrazolone derivatives using their semi-empirical quantum chemical descriptors and their ...
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Novel synthesis and spectral characterization of some new substituted pyrazolones and isoxazolone
... substituted pyrazolone derivatives containing different functional groups have been synthesized by the condensation reaction of 2-methoxy-5-methyl ethyl aceto hydrazone (1a) and different substituted phenyl ...
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Some New Schiff Base Complexes of Organotellurium(IV) Chloride Complexes Derived from o-Vanillin and 4-Aminoantipyrine
... Thus, IR data predict the monobasic tridentate nature of the Schiff base(o-VL-AAP) involving azomethine nitrogen atom, carbonyl oxygen of pyrazolone ring and oxygen of hydroxyl group give rise to chelate rings ...
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Investigation of 1-Phenyl-3-Methyl-5-Pyrazolone as a Corrosion Inhibitor for Mild Steel in 1M Hydrochloric Acid
... Corrosion inhibition efficiency of 1-phenyl-3-methyl-5-pyrazolone (PMP) as corrosion inhibitor on mild steel in acid solution was investigated by means of weight loss, potentiodynamic polarization curve, ...
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Dibromidobis(4 hydroxy 1,5 dimethyl 2 phenyl 3 pyrazolone)zinc(II)
... Metals like Zn are expected to be involved in neurodegenerative diseases such as Alzheimer or Parkinson leading to neurofibrillary tangles degeneration and tau protein accumulation (Filiz et al.,2008; Tougu et al.,2008). ...
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Isolation of flavonol rhamnosides from Pometia pinnata leaves and investigation of α-glucosidase inhibitory activity of flavonol derivatives
... kaempferol derivatives and quercetin derivatives for α-glucosidase inhibitory ...kaempferol derivatives and four quercetin derivatives were chosen, which include eight derivatives, ...
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Investigation of tellurium Complexes Containing bidentate Schiff Base Derived from Vanillin and 4-Aminoantipyrine
... Thus, IR data predict the bidentate nature of the Schiff base(VL-AAP) involving azomethine nitrogen atom and carbonyl oxygen of pyrazolone ring give rise to six membered chelate ring with the tellurium centre ...
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Synthesis, Spectral Characterization and Antibacterial Assay: Co(II) Coordination Compounds of 4
... of pyrazolone readily condensed with the different carbonyl compounds to give a various types of Schiff bases which are applied inseveral significant fields such as biology, pharmacology, clinical and The Schiff ...
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