N-methyl imidazole, ethyl chloroacetate, sodium tetrafluoroborate, acetone, acetonitrile, aether and chloroform used in this study were purchased from the chemical company located in Xi'an. CuSO 4 ·5H 2 O, polyvinyl pyrrolidone (PVP), ethanol and petroleum ether were also obtained from Xi'an Chemical Reagent Factory. All chemical regents were of analytical grade and used without further .
Citric acid mediated green synthetic route has been demonstrated for the regioselective synthesis of N-alkylated indazoles in good to excellent isolated yields ( ~ 78-96%) from readily available starting materials 2-methylanilines (1), NaNO 2 (2) and ethyl chloroacetate (3) via diazotization, intra molecular cyclization and followed by N-alkylation in the presence of 1:1 ratio of ethanol and .
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Experimental data on density, viscosity, and refractive index at (298.15, 303.15, and 308.15) K and the speed of sound at 298.15 K are presented for the binary mixtures of ethyl chloroacetate + hexane, heptane, octane, nonane, decane, or dodecane. From these data, excess molar volume, deviations in viscosity, molar refraction, and isentropic compressibility have been calculated.
Baldyga and Makowski coupled CFD with micro-mixing models to simulate the test parallel chemical reactions (neutralization and hydrolysis of ethyl chloroacetate) in a stirred tank, and found that using the micro-mixing model with reactant concentration fluctuations being accounted for by presumed β-PDF of the mixture fraction gave satisfactory .
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A Review: Synthesis and Medicinal Importance of Nicotinonitriles and Their Analogous . [email protected] Received December 20, 2017 DOI 10.1002/jhet.3188 Published online 00 Month 2018 in Wiley Online . Next, condensation of compound 6 with ethyl chloroacetate in pyridine gave the ester 7, which condensed with thiosemicarbazide and/or .
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Densities, refractive indices, speeds of sound, and isentropic compressibility at 298.15 K and isobaric vapor−liquid equilibria data at 101.3 kPa were reported for the binary mixtures ethyl acetate + ethyl lactate and methyl acetate + ethyl lactate. Excess molar volumes, refractive index deviations, changes of speed of sound, and changes of isentropic compressibility on mixing were .
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Mar 26, 2019· 4-Thiazolidinone ring is reported to have almost all types of biological activities. Also, it present in many marketed drugs. Ethyl acetoacetate reacted with phenyl isothiocyanate and ethyl chloroacetate in presence of K2CO3 and DMF to afford the thiazolidinone derivative 5. Thiazolidinone 5 reacted with dimethylformamide-dimethylacetal to afford (Z)-ethyl 2-((Z)-5-((dimethylamino) methylene .
Four reactions for which the kinetic laws of reactions are well known have been selected to test the model: alkaline hydrolysis of ethyl acetate, alkaline hydrolysis of ethylene glycol diacetate .
Int. J. Pharm. Sci. Rev. Res., 46(1), September - October 2017; Article No. 21, Pages: 110-114 ISSN 0976 – 044X International Journal of Pharmaceutical Sciences Review and Research . . tetrazole with ethyl chloroacetate to form ethyl (5-phenyl-1H-tetrazol-1-yl) acetate. The different biological . Dawley rats in sucrose loaded model. These .
Density and Speed of Sound of Binary Mixtures of N-Methylacetamide with Ethyl Acetate, Ethyl Chloroacetate, and Ethyl Cyanoacetate in the Temperature Interval (303.15 to 318.15) K. Journal of Chemical & Engineering Data 2007, 52 (2), 405-409. DOI: 10.1021/je060343y.
In 1973 BASF reported that they had realized a factory that produced 600 tons of vitamin A per year via Wittig chemistry . A Darzens condensation of 17 with ethyl chloroacetate 18 gave the glycidic ester 19. . D.W. Review and patents and literature. The use of insect cell cultures for recombinant protein synthesis: Engineering aspects.
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