Caffeine as a naturally green and biodegradable catalyst promoted convenient and expedient synthetic route for the synthesis of polysubstituted dihydro-2-oxypyrroles

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Coupling of Amines, Dialkyl acetylenedicarboxylaes and Formaldehyde Promoted by Copper (II) Chloride: An Efficient Synthesis of Polysubstituted Dihydro-2-oxopyrrols

An environmental friendly synthetic route for copper (II) chloride dihydrate catalyzed one-pot multicomponentsynthesis of biologically active high substituted dihydro-2-oxypyrroles has developed. The non-toxic, low-cost catalyst and eco-friendly and good to high yields are the notable benefits for the efficient synthesis of these products.

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One-pot Synthesis of Polysubstituted Dihydro-2oxypyrroles Catalyzed by Vanadium (V) oxide

A mild and efficient synthesis of polysubstituted dihydro-2-oxypyrroles has been developed for the one-pot, four-component domino condensation of dialkyl acetylenedicarboxylate, formaldehyde and aromatic amines using Vanadium (V) oxide as the catalyst at ambient temperature. The use of Vanadium (V) oxide makes this process simple, more convenient, and environmentally friendly.

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Rapid, convenient and solventless green approach for the synthesis of aryloximes using ZnO nanoparticles as an efficient catalyst

Freshly prepared ZnO nanoparticles were used as an effective heterogeneous base catalyst for the synthesis of aryloximes. The conversion of arylaldehydes and arylketones into the corresponding oximes (up to quantitative yields) was achieved by simply mixing the liquid reactants and hydroxylamine hydrochloride with ZnO nanoparticles under solvent-free condition. The procedure was carried out und...

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Rapid, convenient and solventless green approach for the synthesis of aryloximes using ZnO nanoparticles as an efficient catalyst

Freshly prepared ZnO nanoparticles were used as an effective heterogeneous base catalyst for the synthesis of aryloximes. The conversion of arylaldehydes and arylketones into the corresponding oximes (up to quantitative yields) was achieved by simply mixing the liquid reactants and hydroxylamine hydrochloride with ZnO nanoparticles under solvent-free condition. The procedure was carried out und...

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ژورنال

عنوان ژورنال: Bulletin of the Chemical Society of Ethiopia

سال: 2019

ISSN: 1726-801X,1011-3924

DOI: 10.4314/bcse.v33i1.15