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Showing 1 to 20 of 146 for “"oxidation reactions"”.
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Microfabricated reactors for partial oxidation reactions
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1998.
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Hexametalates as Catalysts for Photochemical Oxidation Reactions
The reaction of TiCl$\sb4$ with WO$\sb4$((n-C$\sb4$H$\sb9$)$\sb4$N) $\sb2$ in acetonitrile yields ClTiW$\sb5$O$\sb $ ((n-C$\sb4$H$\sb9$)$\sb4$N) $\sb3$. The complexes ROTiW$\sb5$O$\sb $ (n-C$\sb4$H$\sb9$)$\sb4$N) $\sb3$ (R = CH$\sb3$, C$\sb2$H$\sb5$, and (CH$\sb3$)$\sb2$CH) are prepared in an …
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C—H oxidation reactions: development and application
… (the cleavage of carbon-hydrogen bonds) reactions are emerging as a powerful new approach for complex molecule synthesis. The development of reactions that are selective, catalytic, mild, and efficient have the potential to significantly streamline the synthesis of organic molecules used …
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Selective Oxidation Reactions: A Chemical Looping Approach
… in this Dissertation for two selective oxidation reactions: (i) the epoxidation of ethylene to ethylene oxide, and (ii) the oxidative dehydrogenation (ODH) of ethane to ethylene. CL approach depends on the redox cycling of a solid oxygen carrier, typically a metal oxide, which donates …
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Development of Sustainable Catalytic Systems For Oxidation Reactions
Oxidations are a fundamental class of reactions in organic chemistry.Furthermore, the ability to carry out such transformations in an efficient and selective manner has the potential for widespread application in the production of both bulk and fine chemicals, pharmaceuticals, agrochemicals and …
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Hydrolysis and Atmospheric Oxidation Reactions of Perfluorinated Carboxylic Acid Precursors
… a number of different environmentally relevant reactions that lead to the production of perfluorocarboxylic acids (PFCAs), a family of environmental pollutants that does not undergo any further degradation pathways. The compound perfluoro-2-methyl-3-pentanone (PFMP) is a new fire fighting fluid …
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Zeolite encapsulated metal complexes as heterogeneous catalysts for oxidation reactions
… screened as heterogeneous catalysts for various oxidation reactions such as such as phenol, benzene, styrene and cyclohexene using a green oxidant (H2O2).For comparison, the corresponding neat complexes were screened as potential homogeneous catalysts for these oxidation reactions. The results …
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C—H oxidation reactions in complex molecule synthesis: application and development
… in the construction of complex molecules. Oxidation reactions of C–H bonds, particularly when applied at late-stages of complex molecule syntheses, hold special promise for achieving both these goals by minimizing the use of functional group manipulations typically required to synthesize …
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Development of novel metal oxide composite catalysts for complete oxidation reactions
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1995.
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Development of ambient mass spectrometry methods for investigating iron-catalyzed oxidation reactions
Improvement of catalytic reactions relies on detailed understanding of the reaction mechanism, and this in turn depends on the ability to detect, characterize, and identify reaction intermediates that often have extremely short lifetimes or are highly unstable when removed from the reaction medium. …
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Pyridine Modified Gold Nanoparticles for Electrocatalytic Carbon Dioxide Reduction and Methanol Oxidation Reactions
… electrochemical CO2 reduction and methanol Oxidation. The effects of the gold-pyridine conjugate formula, reduction potential with a rotating ring disc electrode (RRDE) and RRDE rotation speed on CO2 reduction current density and product collection efficiency, and electrode stability are …
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Studies in regiospecific oxidation reactions of 1-methyl-pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione.
Baeyer-Villiger oxidation of 1-methylpentacyclo[5.4.0.02,6.03,10.05,9] undecane-8,11-dione, performed by using m-chloroperbenzoic acid in 1:1 molar ratio, resulted in the formation of monolactone. The corresponding dilactone, was synthesized by reacting 1-methyl-PCU-8,11-dione with …
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High-throughput synthesis and screening of binary alloys for hydrogen evolution and oxidation reactions
… evolution reaction (HER) and the hydrogen oxidation reaction (HOR). Results are presented for the Pd-Au, Pd-Bi and Ru-Au alloy systems. Thin films of each alloy system were synthesized on a series of 10x10 array electrodes with a graded composition. A variety of analytical techniques …
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Catalytic C-H oxidation reactions for the synthesis and diversification of hydroxyamino acid motifs
… are often synthesized via enzymatic C-H oxidation of simple amino acid precursors. Inspired by such processes, small molecule catalysts have been developed to perform a variety of C-H oxidation reactions, which have increased the efficiency of synthetic routes and allowed for late-stage …
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Conditions for Observing Infrared Chemiluminescence and the Role of Condensation in Metal Oxidation Reactions
… chemiluminescence (IRCL) studies of cw metal oxidation reactions wherein metal atoms entrained in a carrier gas were mixed with an oxidizer by means of a nozzle system are described. One goal of the work was to determine the vibrational distribution of the product molecule produced by the …
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Conditions for observing IR chemiluminescence and the role of condensation in metal oxidation reactions
… chemiluminescence (IRCL) studies of cw metal oxidation reactions wherein metal atoms entrained in a carrier gas were mixed with an oxidizer by means of a nozzle system are described. One goal of the work was to determine the vibrational distribution of the product molecule produced by the …
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