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Aldol condensation

Kinetics of Aldol Condensation of Furfural with Acetone Catalyzed by 1,8 Diazabicyclo[5 4 0]undec 7 ene

Kinetics of Aldol Condensation of Furfural with Acetone Catalyzed by 1,8 Diazabicyclo[5 4 0]undec 7 ene

... fuels. Aldol condensation has several advantages compared to fast pyrolysis, li- quefaction, and Fischer-Tropsch ...dol condensation of furfural with acetone and hydrodeoxygenation are consi- dered ...

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Synthesis and Characterization of Hydrotalcite and Hydrotalcite Compounds and their Application as a Base Catalyst for Aldol Condensation Reaction

Synthesis and Characterization of Hydrotalcite and Hydrotalcite Compounds and their Application as a Base Catalyst for Aldol Condensation Reaction

... typical Aldol Condensation reaction of propionaldehyde and formaldehyde to get desired product ...catalyzed Aldol reaction propionaldehyde coversion of ...said Aldol condensation ...

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Synthesis and characterization of 2,4 dihydroxy sustituted chalcones using aldol condensation by SOCl2/ EtOH

Synthesis and characterization of 2,4 dihydroxy sustituted chalcones using aldol condensation by SOCl2/ EtOH

... All the products were synthesized and characterized by their spectral analysis chemicals, 2 4- dihydroxy acetophenon, 2-chloro benzaldehydes, 4-chloro benzaldehydrs, 3-nitro benzaldehydes were purchased from S.D. fine ...

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Study of Liquid Alkanes Production from Biomass Derived Carbohydrates by Aldol Condensation and Hydrogenation Processes

Study of Liquid Alkanes Production from Biomass Derived Carbohydrates by Aldol Condensation and Hydrogenation Processes

... As the next step, the effect of reaction pressure and temperature on the product yield and selectivity from the aldol-condensation and hydrogenation of furfural was studied over Pd/Al_500. The results are ...

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Marine solids/NaNO3: As Natural and Efficient Catalysts for Aldol condensation

Marine solids/NaNO3: As Natural and Efficient Catalysts for Aldol condensation

... effective catalyst for aldol condensation from ketones having α-hydrogens and aldehydes in 50 % ethanol at reflux conditions. The α,β-unsaturated carbonyl products were obtained in good to high yields. This ...

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Kinetic Study of the Aldol Condensation of Isobutyraldehyde Catalyzed by Sodium Hydroxide

Kinetic Study of the Aldol Condensation of Isobutyraldehyde Catalyzed by Sodium Hydroxide

... Tishchenko aldol condensation runs in the alkaline catalyst environment and con- cerns aldehydes having a hydrogen atom α , determining the course of the aldol con- ...

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Microwave assisted catalyst free synthesis of 3-hydroxy-2-oxidoles by aldol condensation of acetophenones with isatins

Microwave assisted catalyst free synthesis of 3-hydroxy-2-oxidoles by aldol condensation of acetophenones with isatins

... The Indole (1) moiety constitutes a core structural unit of many bioactive natural products as well as pharmaceuticals. Particularly, the 3-substituted hydroxy indoline-2-one unit was found in some drug candidates like, ...

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Synthesis and characterization of some novel Pyrimidines via Aldol Condensation

Synthesis and characterization of some novel Pyrimidines via Aldol Condensation

... facile condensation of 4-aminopyrimidine-5-carbonitirle with various aromatic acid derivatives in the presence of 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimidehydrochloride and catalytic amount of TEA ...

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Sodium Modified Fluorapatite: A Mild and Efficient Reusable Catalyst for the Synthesis of α,α’ Bis(Substituted Benzylidene) Cycloalkanones under Conventional Heating and Microwave Irradiation

Sodium Modified Fluorapatite: A Mild and Efficient Reusable Catalyst for the Synthesis of α,α’ Bis(Substituted Benzylidene) Cycloalkanones under Conventional Heating and Microwave Irradiation

... is aldol condensation [16] ...the condensation of cycloalkanones with aldehydes and ketones is of special interest, and cross-aldol condensation is an effective pathway for these ...

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Experimental emphysema in the blotchy mouse. A morphometric study using image analysis

Experimental emphysema in the blotchy mouse. A morphometric study using image analysis

... Aortic elastin was examined by Rowe by analysis of the reduced aldol condensation product. This was lower in the Blo/Y mice indicating less conversion to lysine [r] ...

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Study on the applications of some bis (hydroxyaryl) telluroxides as aldol catalyst

Study on the applications of some bis (hydroxyaryl) telluroxides as aldol catalyst

... The aldol condensation can be catalyzed by acid or base, the later being most frequently employed ...for aldol condensation under mild aprotic conditions ...

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... The resulting enolate ion from acetone (step 1) which attacks benzaldehyde (step 2) to make a β-hydroxyketone. After losing water, the β- hydroxyketone becomes an enone, which is an alkene and ketone conjugated process ...

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A green and efficient friendly process for synthesis of drug against dormant version of the Mycobacterium tuberculosis H37Ra

A green and efficient friendly process for synthesis of drug against dormant version of the Mycobacterium tuberculosis H37Ra

... Cross-aldol condensation is an important protocol for the synthesis of various bis-(arylmethylidene) cycloalkanones (Riadi et al., 2010). This reaction is classically carried out using strong acid or base ...

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Efficient Synthesis of Pharmaceutically Important Intermediates via Knoevenagel, Aldol Type Condensation by Using Aqueous Extract of Acacia concinna pods as a Green Chemistry Catalyst Approach

Efficient Synthesis of Pharmaceutically Important Intermediates via Knoevenagel, Aldol Type Condensation by Using Aqueous Extract of Acacia concinna pods as a Green Chemistry Catalyst Approach

... the Aldol condensation of 5,6-dimethoxyindan-1-one, 1-benzyl piperidine-4-carboxaldehyde served as a key step of synthesis to yield compound (3), This process has additional obstacles for the large-scale ...

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Combined Use of Macro and Microscale Chemistry in Undergraduate Organic Laboratory

Combined Use of Macro and Microscale Chemistry in Undergraduate Organic Laboratory

... about aldol condensation, saponification and haloform reaction with a focus on the reaction mechanism studied in functional organic chemistry classes in semester ...

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Development of a phase change model for volume-of-fluid method in OpenFOAM

Development of a phase change model for volume-of-fluid method in OpenFOAM

... In this study, the volume-of-fluid method in the OpenFOAM open-source CFD package will be extended to consider the phase-change phenomena with a modified model due to the condensation and boiling processes. This ...

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Wet stack – Analysis of condensation

Wet stack – Analysis of condensation

... To determine the output temperature at the liner outlet one can use a simple iteration process where the amount of heat released from the condensation will be equal to the heat required to heat the flue gas flow ...

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Heat and Mass Transfer Investigation in a Rotary Total Energy Wheel

Heat and Mass Transfer Investigation in a Rotary Total Energy Wheel

... with condensation model for energy ...the condensation wheel model has not the subject of theorical study by finite volume techniques which are based on an integral-based method characterised by a high ...

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Potassium fluoride/K10-montmorillonite nanostructure as a Green and Reusable Catalyst under mild reaction conditions for the knovenagel Condensation

Potassium fluoride/K10-montmorillonite nanostructure as a Green and Reusable Catalyst under mild reaction conditions for the knovenagel Condensation

... In this research, we supported KF on the MMT. The research found that KF/K10 is a proper nanocatalyst with a high stability for Knoevenagel condensation. The advantages of the present method are simplicity of ...

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Enantioselective Aldol Reactions and Michael Additions Using Proline Derivatives as Organocatalysts

Enantioselective Aldol Reactions and Michael Additions Using Proline Derivatives as Organocatalysts

... The aldol reaction and the Michael addition are very precious tools of the synthetic organic chemist. Indeed, these reactions are widely applied to generate carbon-carbon bonds allowing to link building blocks to ...

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