Volume 6, Issue 4, pp. 325-460, Serial No. 21
مرور بر اساس
ارسال های اخیر
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New pyrazolone derivatives synthesis: comparison of the catalytic effect of three typically different Brønsted acid catalysts on the reaction progression
(Ilam, Payame Noor University, 2018-10-01)Via the one-pot condensation reaction of ethyl acetoacetate, aromatic aldehydes, 2,4-dinitrophenylhydrazine, and β-naphthol; new pyrazolone derivatives were synthesized in the presence of three Brønsted acid catalysts. ...
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Multivariate curve resolution-alternating least squares applied to kinetic spectrophotometric data for the determination of mixtures of aliphatic amines
(Ilam, Payame Noor University, 2018-10-01)Kinetic spectrophotometric second order data based on the reaction of 1,2-naphthoquinone-4-sulphonate (NQS) coupled with multivariate curve resolution-alternating least squares (MCR-ALS) has been proposed for simultaneous ...
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One-pot synthesis of highly regioselective β-azido alcohols catalyzed by Brønsted acidic ionic liquids
(Ilam, Payame Noor University, 2018-10-01)In this protocol, 3-(2-carboxybenzoyl)-1-methyl-1H-imidazol-3-ium chloride [Cbmim]Cl and sulfonic acid functionalized pyridinium chloride [pyridine-SO3H]Cl as a new, reusable, and green Brønsted acidic ionic liquid (BAIL) ...
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Phthalimide-N-sulfonic acid and Isatin-N-sulfonic acid as highly efficient catalysts for the synthesis of bis-coumarins
(Ilam, Payame Noor University, 2018-10-01)Two highly efficient protocols for the production of bis-coumarins under solvent-free conditions have been introduced. The reaction of 4-hydroxycoumarin (2 eq.) with arylaldehydes (1 eq.) using phthalimide-N-sulfonic acid ...
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A mild protocol for the preparation of 2-amino-dihydropyrano[3,2-b] pyran-3-carbonitriles via cobalt nanoparticles-catalyzed multi-component reaction in water
(Ilam, Payame Noor University, 2018-10-01)An improved rapid one-pot and green synthesis of substituted pyranopyranes by condensing Kojic acid, malononitrile, and different aldehydes and using a catalytic amount of cobalt nanoparticles as green and reusable catalyst ...
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Application of nano TiO2@KSF as an efficient and reusable catalyst for the synthesis of pyrano-pyrimidines
(Ilam, Payame Noor University, 2018-10-01)In this work, Nano TiO2@KSF used as an efficient, homogeneous and reusable catalyst for the synthesis of pyrano[2,3-d]-pyrimidinone derivatives via three-component reactions between malononitrile, barbituric acid and various ...
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Electrocatalytic multicomponent assembling of aldehydes, dimedone and 1-naphthylamine for synthesis of novel tetrahydrobenzo[c]acridin-8(7H)-one derivatives
(Ilam, Payame Noor University, 2018-10-01)An efficient and convenient synthesis of novel tetrahydrobenzo[c]acridin-8(7H)-one derivatives is described using the electrogenerated anion of acetonitriles as the base in the presence of tetrabutylammonium fluoride as ...
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Application of ZrO2–SO3H as highly efficient recyclable nano-catalyst for the green synthesis of fluoroquinolones as potential antibacterial
(Ilam, Payame Noor University, 2018-10-01)Various antibacterial fluoroquinolone compounds were prepared by the direct amination of 7-halo-6- fluoroquinolone-3-carboxylic acids with variety of piperazine derivatives and (4aR,7aR)-octahydro-1H-pyrrolo[3,4-b] pyridine ...
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Cyanation and bromination of electron-rich aromatics by BrCN under solvent-free conditions catalyzed by AlCl3: A new examples of Beckmann-type rearrangement
(Ilam, Payame Noor University, 2018-10-01)A convenient route for cyanation and bromination of some electron-rich aromatics (anisole, 1,3-dimethoxybenzene, 1,4-dimethoxybenzene, 1,3,5-trimethoxybenzene and β-naphthol) by BrCN in the presence of aluminum trichloride ...
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Alumina nanoparticles modified carbon paste electrode as a new voltammetric sensor for determination of dopamine
(Ilam, Payame Noor University, 2018-10-01)The present study examines a new dopamine sensor based on Alumina nanoparticles modified carbon paste electrode (Al2O3NPsCPE). Moreover, the present study focuses on the electrochemical act of the Al2O3NPsCPE for the ...
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Friedel-Crafts alkylation of indoles with epoxides using PW12-APTES@SBA-15
(Ilam, Payame Noor University, 2018-10-01)H3PW12O40 (PW12) was immobilized over mesoporous alumina through the reaction of mesoporous alumina functionalized 3-aminopropyl triethoxy silane (3-APTES) and PW12. The surface properties of the functionalized nanocomposite ...
