CONDENSATION REACTION
Coumarins via knoevenagel condensation reaction (KCR) and pechmann condesation reaction
... The reaction was carried out in the presence of catalytic amount of base while the Pechmann condensation reaction consists in the formation of coumarin derivatives by aldol condensation of ...
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Development of Preparation Method for Microencapsulating Uycalyptus Oil Containing Fine Aqueous Droplets by Use of Interfacial Condensation Reaction between Hydroxy Propyl Methyl Cellulose and Tannic Acid
... gelling reaction method [11]-[13], the in-situ polymerization [14] [15], the interfacial polycondensation reaction [16] [17] and the physicochemical methods such as the coacervation method [18] [19], the ...
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Green condensation reaction of aromatic aldehydes with rhodanine catalyzed by alum under microwave irradiation
... knoevanagel condensation reaction of aromatic aldehyde and rhodanine using alum as catalyst in ...the reaction various substituted and unsubstituted aromatic aldehydes were ...short reaction ...
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Application of one pot three component condensation reaction for the synthesis of new organophosphorus sulfur macrocycles
... three-component condensation reaction of the four-membered ring thionation reagent - Lawesson’s Reagent, LR or FcLR (2,4-diferrocenyl-1,3,2,4- diathiadiphosphetane 2,4-disulfide, a ferrocene analogue of ...
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Synthesis of mesoporous sodalite by mixed quaternary ammonium cation templates for knoevenagel condensation reaction
... Knoevenagel condensation reaction. The reaction of benzaldehyde with diethyl malonate was selected as a model of the ...the reaction were separated using gas chromatography (GC) and determined ...
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Synthesis and Characterization of Hydrotalcite and Hydrotalcite Compounds and their Application as a Base Catalyst for Aldol Condensation Reaction
... catalytic properties of hydrotalcites for the Aldolisation. The synthesized Hydrotalcites were then characterized using XRD and TGA/DTA techniques, which confirmed that the synthesized materials are hydrotalcite like ...
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Preparation of Microcapsules Containing Triple Core Materials with Interfacial Condensation Reaction
... First, the calcium chloride powder was modified by mixing with stearic acid as an oil soluble stabilizer to provide hydrophobicity and added to α -tocopherol ( α -oil) to form the (S/O) dispersion. Hereafter, this ...
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Green Reusable Catalyst For The Formation Diastereo Selective Synthesis Of Cyclohexanones By Condensation Reaction Acetoacetanilide With Different Aromatic Aldehydes At Variety Method Of Reaction
... Abstract: A Effortless Synthetic Path For The Diastereoselective Of Cyclohexanones Synthesis Of N,N′ -Diaryl-2-Aryl-6-Hydroxy-6-Methyl-4- Oxocyclohexane-1,3-Dicarboxamide With Help Of Starch Solution Counting As Glycerol ...
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Assessment of the regioselectivity in the condensation reaction of unsymmetrical o phthaldialdehydes with alanine
... condensation reaction with monosubstituted o-phthaldialdehydes are rare (SI1 part ...the condensation of 9 with 10 (Scheme ...the condensation of 13 with various amines have also been reported ...
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Nano sodalite as solid base catalyst for knoevenagel condensation reaction
... Knoevenagel condensation is a widely used method for the synthesis of fine chemical in ...The reaction takes place generally based on homogeneous base as catalyst but is suffer from separation of ...
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Synthesis and Characterization of Some new 2,4-Thiazolidinedione Derivatives
... the condensation reaction between chloroacetic acid with thiourea in the presence of ...the condensation reaction between thiazolidine ring with series of aldehydes aromatic (4-(Dimethylamino) ...
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Zn[(L)-proline]‚ as a Recyclable and Green Catalyst for Efficient and One-pot Three-Component Synthesis of 1,4-Dihydro- pyridines Under Solvent-Free and Microwave Irradiation Conditions
... by condensation reaction of aldehydes, ethyl acetoacetate, and ammonium acetate in high to excellent yields under solvent-free and microwave irradiation ...
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Solvent free green Synthesis of 5-arylidine Barbituric acid Derivatives Catalyzed by Copper oxide Nanoparticles
... by condensation reaction of barbituric acid and various aromatic aldehydes at room temperature with high speed ...short reaction times, simplicity and easy ...
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Indian Natural Zeolites Catalyzed Urea Furfural Green Polymerization
... furfural-urea condensation and a growing demand for the development of environment friendly synthetic manipulations, in this paper we had given green catalysis approach by using natural ...phase reaction, ...
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Synthesis, Characterization and Thermal Stability Study of New Heterocyclic Compounds Containing 1,2,3-Triazole and 1,3,4-Thiadiazole Rings
... cycloaddition reaction using a series of synthesised p-substituted phenyl azides and propiolic ...a condensation reaction of the synthesised 1,2,3-triazole derivatives and thiosemicarbazide in the ...
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Vol 3, No 10-12 (2014)
... Furthermore, condensation reaction of aceanthrene- quinone 1b with aroyl hydrazine derivatives namely, benzoyl hydrazine, p-toluoyl hydrazine, p-bromobenzyoyl hydrazine and m-chlorobenzoyl hydrazine ...
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One-step multicomponent synthesis of chiral oxazolinyl-zinc complexes
... condensation reaction between a functionalized nitrile and an amino alcohol in the presence of a Lewis or Brøn- sted acid catalyst, followed by a further reaction with metal salts to obtain the ...
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Different Influence of Structure Elements of Ionic Liquids on the Knoevenagel Condensation Reactions
... group. The data presented in Figure 4 and Table 4 evidence that the presence of OH groups has a clearly negative influence on the condensation reaction rates (and yields). The harmful effect increases in ...
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Synthesis of antitrypanosomal thiosemicarbazones using anthranilic acid as an innovative Green nucleophilic catalyst
... The condensation reaction of thiosemicarbazides with aldehydes and ketone to form thiosemicarbazones is very efficiently catalyzed by nucleophilic catalysis in the general context of generalized acid-base ...
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Synthesis, Physico-Chemical, Hirschfield Surface and DFT/B3LYP Calculation of Two New Hexahydropyrimidine Heterocyclic Compounds
... The condensation reaction was processed in a bath of cyclization to produce hexahydropyrimidine and not the Schiff bases product ...the reaction is performed at room temperature without heating (d) ...
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