25. Microwave assisted An One pot Three Component Synthesis of 1
KF-Al2O3 Catalyzed Domino One-Pot, Three-Component Synthesis of 3,5-Disubstituted-1,2,4-Oxadiazoles Under Microwave-Assisted Solvent Free Conditions and Their Biological Activity
... microwave vial. The vial was capped with a Teflon pressure cap and subjected to microwave irradiation for 8 min at 150 o C (300 watts). The microwave oven used was Scientific Microwave ...
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One Pot Three Component Synthesis of Imidazo[1,5 a]pyridines
... A mixture of pyridyl ketone (1 mmol), aldehyde (2 mmol), ammonium acetate (0.462 g, 6 mmol), lithium chloride (0.1 g, 2 mmol) and acetic acid (0.5 mL) was irradiated in a microwave oven for 3 min. The solid ...
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One-pot three-component synthesis of spirooxindoles catalyzed by nano Ag/kaolin
... the synthesis of spirooxindoles with fused chromenes have been reported by modification of three-component condensation of isatin derivatives, activated methylene reagents, and 1,3-dicarbonyl ...
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Microwave-assisted one pot three-component synthesis of some novel pyrazole scaffolds as potent anticancer agents
... Compound 6a was alternatively synthesized by react- ing enaminone 9 (prepared separately via condensation of acetyl pyrazole 1 with DMF–DMF) with 2-oxo-N-phe- nylpropanehydrazonoyl chloride (3a) in toluene ...
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Vol 8, No 5 (2019)
... efficient one-pot three-component synthesis of spirooxoindole derivatives involving isatin, malononitrile and enolizable ketones such as ...
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Simple Grinding, Catalyst-free, One-Pot, Three-Component Synthesis of Polysubstituted Amino Pyrazole
... Heterocyclic compounds containing nitrogen linkage have received considerable attention in recent times due to their wide applications. The cyclization reaction of suitable linear compounds is one of the most ...
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Bronsted base catalysed efficient one pot three component synthesis of dihydropyrimidinone derivatives
... Next step in the optimization of reaction condition was to select suitable solvent. Both polar and non-polar solvents were tested for the better conversion. Polar protic solvents like EtOH, MeOH and aprotic solvent like ...
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One pot three-component synthesis of imidazole derivatives using NH3/NH4Cl
... Efficiency of this reaction is mainly affected by the amount of catalyst, temperature and reaction time.For getting the best conditions, initially we started the condensation of Acenaphthene quinone (1mmol), 4 nitro ...
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One pot three component synthesis of chromeno[4,3 d ]pyrimidinone derivatives
... the One-pot three-component reaction of salicylaldehyde 1,3-dicarbonyl compounds and 2-Aminobenzimidazole in the presence of catalytic amounts of piperidine in acetic acid led to a chemo ...
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AN EFFICIENT, GREENER MICROWAVE ASSISTED MULTI COMPONENT ONE POT SYNTHESIS OF [1, 3, 4] THIADIAZIN 2 YL THIAZOLIDIN 4 ONES
... the synthesis of a new series of spiro-thiadiazines and their antimicrobial ...The synthesis of heterocycles containing such multistructure in a molecule has received much attention in recent years 28 ...
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MICROWAVE ASSISTED, NICKEL- COBALT FERRITE CATALYSED ONE- POT MULTICOMPONENT SYNTHESIS OF - ACETAMIDO KETONES
... One part transformations, particularly multi component reactions (MCRs) are of current interest to organic chemists. Since the first Multicomponent reactions reported in 1850 by Strecker, they have emerged ...
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Application of one pot three component condensation reaction for the synthesis of new organophosphorus sulfur macrocycles
... respective 25% and 30% yields along with 5 and 9, however, no compound 4 was isolated when the o- xylylene dibromide and LR were applied in the case of ...the one-pot ...
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One-pot and Three-Component Synthesis of isoxazol-5(4H)-one Derivatives in the presence of Citric Acid
... In a round-bottomed flask (25 mL) equipped with a magnetic stirrer, a mixture of ethyl acetoacetate (1.30 g, 10 mmol), hydroxylamine hydrochloride (0.7 g, 10 mmol), aromatic aldehyde (10 mmol), and citric acid ...
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One pot three component condensation synthesis and structural features of organophosphorus sulfur macrocycles
... compounds 1–10 and 12–24 in their 31 P NMR spectra though it is not possible to assign them specifically as shown in Tables 1 and 2; however, in 25 there is only one broad signal which might ...
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Synergy of binary ionic liquids in a three component one-pot synthesis of 3,4,6-triarylpyridazine at ambient temperature
... retro-ene assisted palladium catalyzed synthesis using sonagashira condition [11], from 1,3-diketones and methyl ketones in a metal-free synthetic procedure [12], a one-pot procedure starting ...
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One-Pot, Three-Component Microwave-assisted Synthesis, Characterization and Biological Studies of Imidazo-[1,3]- Oxazines Derivatives under Solvent Free Condition
... Satish, Synthesis of new series of 5,6-dihydro-4H-1,2-oxazines via hetero Diels-Alder reaction and evaluation of antimicrobial activity, European Journal of Medicinal Chemistry, 44, ...no. 1, 280–288, ...
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Novel and Efficient Microwave-Assisted Three Component Reaction for the Synthesis Ofoxazine Derivatives
... novel one pot microwave- assisted three- component reaction from 1-naphthol, various anilines and formalin using montmorillonite as the ...
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Microwave irradiation assisted synthesis of cyclohexenes via one pot reaction techniques
... in synthesis of amino cyclohexne derivatives under free catalyst condition and microwave technique via one pot of three component ...of synthesis of some alicyclic ...
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← Return to Article Details FACILE ECOFRIENDLY ONE POT SYNTHESIS OF HETEROCYCLIC PRIVILEDGED MEDICINAL SCAFFOLDS VIA BIGINELLI REACTION USING RETRIEVABLE NICKEL NANOPARTICLES AS CATALYST
... rapid one- pot preparation of heterocyclic compounds from in situ generated reactive intermediates and the general application to multi-component reactions, that are adaptable for building a library ...
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Co-aminobenzamid@Al-SBA-15: a favorable catalyst in synthesis of 2,3-dihydroquinazolin-4(1H)-ones
... Ordered mesoporous silicas such as those of M41S, SBA-n, and MSU-X families discovered in the early 1990s have been regarded as an encouraging class of materi- als for separation and catalysis [15, 16]. These materials ...
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