[PDF] Top 20 Synthesis and Characterization of Pyrazoline Derivatives under Three Different Catalytic Conditions
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Synthesis and Characterization of Pyrazoline Derivatives under Three Different Catalytic Conditions
... made characterization it is conformed that from the same starting material three different products (pyrazole, pyrazoline and 5-hydroxy-substitued pyrazoline) are formed under ... See full document
5
One Pot Synthesis and Characterization of Some New 1,3,5 Trisubstituted Pyrazoline Derivatives
... component synthesis technique, we herein report the synthesize and characterization of a series of new 1,3,5-trisubstituted pyrazoline compounds containing azo-linkages and benzyloxy moieties in high ... See full document
6
MICROWAVE ASSISTED SYNTHESIS AND CHARACTERIZATION OF NEW 2-PYRAZOLINE DERIVATIVES
... Numerous methods have been reported for the preparation of pyrazoline compounds. Fischer and Knoevenagel in the nineteenth century studied the reaction of α,β-unsaturated aldehydes and ketones with phenyl ... See full document
6
Synthesis, Characterization and Study of Antioxidant Activities of Some New Pyrazoline Derivatives Containing Isatin Moiety
... 1-(1-Hydroxy-naphthalen-2-yl)-3-phenyl-propenone (4a-c) were prepared by carrying out the reactions of 2-hydroxy-1-aceto naphthone with 4-chloro benzaldehyde, 4-nitro benzaldehyde, benzaldehyde and ethanol using aqueous ... See full document
6
Synthesis, Characterization and Evaluation of Analgesic, Anti Inflammatory, Ulcerogenic Potential of Some 2 Pyrazoline Derivatives
... the pyrazoline nucleus exhibited better analgesic activity when compared to other synthesized pyrazoline ...the pyrazoline moiety may have resulted in the enhancement of the analgesic activity than ... See full document
10
SYNTHESIS, CHARACTERIZATION AND BIOLOGICAL EVOLUTION OF SOME NOVEL 2 PYRAZOLINE DERIVATIVES WITH CHALCONE
... synthesized pyrazoline derivatives III(a-u) were evaluated for antimicrobial activity against bacterial and fungal strains by agar well diffusion ... See full document
18
Synthesis, structural characterization, biological evaluation and of metal complexes with pyrazoline derivatives
... 2-pyrazoline derivatives (L 1 , L 2 & L 3 ) and their metal complexes are summarized in the experimental ...the pyrazoline derivatives as ligands (L 1 , L 2 & L 3 ... See full document
16
SYNTHESIS, CHARACTERIZATION AND SCREENING OF PYRAZOLINE DERIVATIVES FOR ANTI INFLAMMATORY ACTIVITY
... hydroxide solution was added slowly while stirring. The reaction was stirred at room temperature for 3 h and was then cooled. The completion of the reaction was monitored by TLC using (n-Hexane: Ethyl acetate, 7:3) as ... See full document
5
SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF A SERIES OF METHYL BENZYLOXY PYRAZOLINE DERIVATIVES USING ALKALI AS CATALYTIC AGENTS
... Pyrazoline derivative [1-6] have been found to possess wide range of therapeutic activity such as antidiabetic [7] , antiimplantation [8] , antiallergic [9] , anticonvulsant [10-11] , antineoplastic [12] , ... See full document
6
Synthesis, characterization and antimicrobial studies of novel 2- pyrazoline derivatives
... A simple, efficient method for the synthesis of some novel 2-pyrazoline derivatives is reported.Pyrazolines were prepared by condensing chalcones with hydrazine hydrate /isoniazid / ... See full document
5
Synthesis, characterization and antibacterial evaluation of novel 2 pyrazoline derivatives
... 2-pyrazoline derivatives were synthesized starting from β-picolinoyl hydrazine (1) according to the literature ...nitrite under diazotization ...with different aldehydes forms ... See full document
6
Synthesis and characterization of some new 3, 5 disubstituted pyrazoline and isoxazoline derivatives
... the synthesis of five member heterocycles from readily available reagents is one of the major challenges in organic ...heterocycles, pyrazoline and isoxazoline are represents a class of compounds of great ... See full document
5
Synthesis of heterocyclic chalcones and their novel pyrazoline derivatives
... a three carbon α,β-unsaturated carbonyl ...N-acetylated pyrazoline derivatives have been synthesized with a thiophene scaffold as the base combined with pyridine, furan or ...The synthesis of ... See full document
37
Synthesis, Characterization and Catalytic Application of V2O5/Fe3O4 as Heterogeneous Catalyst for the Synthesis of Quinoline 4 carboxylic Acid Derivatives
... organic synthesis has become of growing importance over the past several ...of different strengths can be generated on the ...experimental conditions, and ...and catalytic activities ... See full document
7
SYNTHESIS OF POTENTIAL ANTI INFLAMMATORY PYRAZOLINE DERIVATIVES UNDER ULTRASONIC IRRADIATION
... chromatography on pre-coated TLC plates (Silica gel 60-120#) by using solvent system Benzene: Ethanol [8:2] for Step-1 compounds and Dichloromethane: Ethyl acetate [9:1] for Step-2 compounds. The obtained TLC plates were ... See full document
5
Synthesis and Antibacterial Evaluation of Some Novel Pyrazoline Derivatives
... New pyrazoline derivatives 4 (a -l) were prepared from commercially available 2-Hydroxy-Aceto-Napthanone and substituted vanillin derivative. These compounds were evaluated for their antibacterial activity ... See full document
7
The Chemoselective Fischer’s Synthesis of Indolenine Derivatives By iso-Butyric Acid As A Weak Organic Acid Catalyst
... indolenine derivatives included the reaction of arylhydrazone with the substituted acetophenones in the presence of different acid catalysts ...indole synthesis was affected by Emil Fischer and ... See full document
6
Synthesis and evaluation of some pyrazoline derivatives as anticancer agents
... The synthesized compounds have been tested for cytotoxic activity against human mammary carcinoma cell line (MCF7) in the National Cancer Institute, Cairo University. The screening involves calculation of the percentage ... See full document
5
Synthesis and estimations of antimicrobial properties of novel pyrazoline derivatives
... The chalcones have been prepared according to the standard protocol of claisen- schimidt 11 condensation by condensing various ketones with aromatic aldehyde. The synthesis of novel pyrazolines using chalcones ... See full document
10
SYNTHESIS AND BIOLOGICAL EVALUATION OF NOVEL PYRAZOLINE AND ISOXAZOLINE DERIVATIVES
... for synthesis of 5-(3-Methoxy-4-((3-methyl-4-(2,2,2-trifluoro ethoxy)pyridin-2-yl)methoxy)phenyl)-3-aryl-4,5-dihydroisoxazole ...evaporated under reduced ... See full document
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