Design, Synthesis, and Cytotoxicity Evaluation of 3-(5-(3-(aryl)-1-phenyl-1H-pyrazol-4-yl)-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)pyridine and 5-(3-(aryl)-1-phenyl-1H-pyrazol-4-yl)-3-(pyridin-3-yl)-4,5-dihydropyrazole-1-carbaldehyde Derivatives as Potential Anticancer Agents
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DOI: 10.1002/jhet.2768
Abstract: In an attempt to find bio-active small molecules, a series of novel 3-(5-(3-(aryl)-1-phenyl-1H-pyrazol-4-yl)-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)pyridine 5a–i and 5-(3-(aryl)-1-phenyl-1H-pyrazol-4-yl)-3-(pyridin-3-yl)-4,5-dihydropyrazole-1-carbaldehyde 6a–i were designed, synthesized, and evaluated for their in vitro cytotoxic activity against a panel of human cancer cell… read more here.
Keywords: pyrazol; aryl phenyl; phenyl; cell ... See more keywords
The potential of employing substituted bis[3-hydroxy-2-(pyrimidin-2-yl)-2Н-pyrazol-4-yl]methane for the synthesis of symmetrical N,O-macroheterocycles with a dioxacycloalkane central fragment
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DOI: 10.1007/s10593-019-02409-5
Abstract: O-cyclialkylation of substituted bis[3-hydroxy-2-(pyrimidin-2-yl)-2H-pyrazol-4-yl]methane by α,ω-dibromoalkanes with a hydrocarbon chain length of up to three CH2 groups has been carried out. A novel pyrazolophane, 1,6-dioxacycloundecane with symmetrically annulated fragments of 1-(pyrimidin-2-yl)-1H-pyrazole, was isolated and characterized… read more here.
Keywords: pyrazol; pyrimidin pyrazol; substituted bis; hydroxy pyrimidin ... See more keywords
A Simple Process for the Synthesis of Novel Pyrazolyltriazole and Dihydropyrazolylthiazole Derivatives as Antimicrobial Agents
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DOI: 10.1007/s13369-017-2530-2
Abstract: Series of novel 1,2-bis((3-(1-aryl-5-methyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene) hydrazines 4 and 2-(5-(3-(1,2,3-triazol-4-yl)pyrazol-4-yl) pyrazol-1-yl)thiazoles 13 were synthesized using simple and convenient procedures, and their structures were established. Treatment of pyrazole-4-carbaldehydes 1 with methyl ketones in alkaline medium gave the corresponding… read more here.
Keywords: synthesis novel; aryl methyl; pyrazol; gave corresponding ... See more keywords
Synthesis and electronic investigation of mono- and di-substituted 4-nitro- and 4-amino-pyrazol-1-yl bis(pyrazol-1-yl)pyridine-type ligands and luminescent Eu(iii) derivatives.
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DOI: 10.1039/c7dt01153a
Abstract: Four new disubstituted and monosubstituted nitro- and amino- bis(pyrazol-1-yl)pyridine (bppy) ligands, substituted at the pyrazole 4-position (1, 2, 5, 6) have been synthesized, along with two luminescent Eu(iii) tris-β-diketonate derivatives of the amino substituted ligands… read more here.
Keywords: pyrazol; pyrazol pyridine; nitro amino; luminescent iii ... See more keywords
Exploring opportunities for tuning phenyltris(pyrazol-1-yl)borate donation by varying the extent of phenyl substituent fluorination.
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DOI: 10.1039/d3dt00735a
Abstract: The importance of electron deficient Tp ligands motivates the introduction of electron-withdrawing substituents into the scorpionate framework. Since perfluorophenyltris(pyrazol-1-yl)borate affects significant anodic shifts in half-cell potentials in their metal complexes relative those of phenyltris(pyrazol-1-yl)borate analogues,… read more here.
Keywords: pyrazol borate; phenyl; phenyltris pyrazol; metal ... See more keywords