Ethyl acetoacetate
Density and Viscosity measurements of Binary Liquid Mixtures of Ethyl acetoacetate with 1-Propanol, 1-Butanol, 1-Pentanol and 1-Hexanol at T= (293.15 & 298.15) K
... The values of density (ρ) and viscosity (η) have been measured for binary liquid mixtures of Ethyl acetoacetate (EAA) with 1-Propanol, 1-Butanol, 1-Pentanol and 1-Hexanol (1-Alkanols) over the whole ...
8
Synthesis of mesoporous sodalite using various organic templates as catalyst in knoevenagel condensation reaction of 2-nitrobenzaldehyde and ethyl acetoacetate
... According to Shanbhag et al.[15], Knoevenagel condensation of 4- isopropylbenzaldehyde (4-IPB) with ethyl cyanoacetate (ECA) is catalyzed by mild basic catalysts. The activity of KMPSOD (mesoporous sodalite ...
42
A REVIEW ON THE SYNTHESIS AND BIOLOGICAL ACTIVITIES OF PIPERIDIN 4 ONES K P Greeshma * and S Muthulingam
... Ethyl acetoacetate and ethyllevulinate have also been employed as the ketone component for the synthesis of piperidine-4-ones (Scheme 7a) 13, 31-34 ...With ethyl acetoacetate, aromatic ...
5
ONE POT SYNTHESIS OF 3, 4 TETRAHYDROPYRIMIDINE 5 CARBOXYLATE USING LANTHANUM (III) CHLORIDE (LACL3 7H2O) AS A CATALYST
... A mixture of ethyl acetoacetate (0.002 mol), urea (0.004 mol) or thiourea (0.004 mol), aldehyde (002 mol), Lanthanum (III) chloride (0.02 mol, in 25%) and 12 M HCl acid (1 drop) in absolute EtOH (10 mL) was ...
11
One-pot and Three-Component Synthesis of isoxazol-5(4H)-one Derivatives in the presence of Citric Acid
... aldehydes, ethyl acetoacetate, and hydroxylamine hydrochloride precursors in one-pot, three-component condensation reaction at room temperature in excellent ...
5
Theroritical Investigating Role of Heavy Metals in Ionic Liquids Catalysts Function for Polyhydroquinolines Synthesis Reactions
... of ethyl acetoacetate, aromaticaldehyde and ...dimedone,ethyl acetoacetate and ammoniumacetate in molten salt mediaas an alternative to hazardous organic solvents usingCs ...
6
GREEN APPROCH FOR ONE POT ORGANIC SYNTHESIS USING BIOCATALYST
... A series of Dihydropyrimidinone (DHPM) derivatives were synthesized by Biginelli reaction employing urea, ethyl acetoacetate with a series of different derivatives of benzaldehyde. A green, cost-effective, ...
9
Sulphamic acid assisted synthesis of polyhydroquinolines via Hantzsch multicomponent reaction: A green approach
... In continuation of our interest to develop new methodologies in organic reaction, herein we would like to report a simple, efficient and rapid method for the synthesis of polyhydroquinoline derivatives. The previous ...
5
Micelle Catalyzed Synthesis of 3-Methyl-4-arylmethylene-isoxazol-5(4H)-ones in Aqueous media: A green approach
... In order to find new greener, environmentally benign route for the synthesis of 3-Methyl-4- arylmethylene-isoxazol-5(4H)-ones, we carried out the reaction of ethyl acetoacetate, hydroxylamine hydrochloride ...
6
NEWER CARBOSTYRIL DERIVATIVES FOR ANTIBACTERIAL ACTIVITY
... The starting material for the synthesis of 7-amino-4-methyl carbostyril m-phenylene diamine was treated with β-ketoester (ethyl-acetoacetate) at high temperature to get 7-amino-4-methyl carbostyril which ...
6
Vol 8, No 9 (2019)
... Synthesis of 3,4-dihydropyrimidin-2(1H)-one and 3,4-dihydropyrimidin-2(1H)-thione derivatives from aldehydes, ethyl acetoacetate and urea or thiourea using glycerol as an organo OH-acid, green and reusable ...
6
Synthesis, biological and pharmacological activities of 2 methyl 4H pyrimido[2,1 b][1,3]benzothiazoles
... phenylidine acetoacetate, The required phenylidine acetoacetate was prepared by employing Knoevnagel reaction between ethyl acetoacetate and benzaldehyde in presence of diethyl amine and ...
8
Recovery of Methyl Acetoacetate from Antibiotic Production Plant\\\'s Waste Streams (TECHNICAL NOTE)
... methyl acetoacetate and ethyl acetoacetate for an amoxicillin plant is projected to be 100 tones ...methyl acetoacetate from organic phase has positive impacts, to make the production process ...
7
GREEN CHEMISTRY APPROACH IN SYNTHESIS OF 3,4 DIHYDROPYRIMIDINONE DERIVATIVES UNDER SOLVENT FREE CONDITIONS
... aldehyde, ethyl acetoacetate, and urea or thiourea in a one-pot operation without catalyst and free solvent is extremely useful and improved procedure for the Biginelli reaction with excellent yields in ...
6
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
... benzaldehyde, ethyl acetoacetate, and ammonium acetate, catalyzed with Zn[(L)- proline]‚ was first investigated as a model ...mmol), ethyl acetoacetate (2 mmol) and ammonium acetate (1 mmol) ...
5
Flash preparation of carbenoids: A different performance of cyanogen bromide
... (1h), ethyl cyanoacetate (ECA) (1i) and ethyl acetoacetate (EAA) (1j) with cyanogen bromide in acetone formed diethyl bromomalonate (13h) and ethyl bromoacetoacetate (13j) in moderate yield, ...
9
Synthesis and antifungal screening of piperidone derivative with pyrazolone substituents
... Ethyl 4-piperidone reacts with different amines in presence of toluene as a solvent and water is removed and Schiff base is formed. Then this Schiff base undergoes reduction and reduced product of Schiff base is ...
7
Synthesis and antimicrobial activity of 3 cyano 4 imino 2 (methylthio) 7 methyl 4H pyrido [1,2 a] pyrimidine derivatives
... ,ethyl acetoacetate ,ethyl cyano acetate, malanonitrile in presence of N,N’-dimethyl formamide and catalytic amount of anhydrous potassium carbonate to afforded 3-cyano-4-imino -2-( acetyl acetonyl/ ...
6
Vol 8, No 6 (2019)
... An efficient one pot synthesis of pyranopyrazoles has been achieved by the four-component condensation of hydrazine hydrate, ethyl acetoacetate, aldehydes and malononitrile using sodium lactate as a ...
5
A REVIEW ON BIOLOGICAL ACTIVITY AND SYNTHETIS OF COUMARINSG.Nagaraju* and Dr.Vijaya KuchanaDOWNLOAD/VIEW
... with ethyl acetoacetate for the synthesis of 5, 7-dihydroxy 4-methyl coumarin and 7,8-dihydroxy 4-methyl coumarin,respectively, showing significant yields ranging from 78 to 85% within 5–20 min at 13 o C ...
18