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Showing 1 to 15 of 15 for “"alkylamine"”.
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A predictive flotation model based on adsorption, contact angle, coagulation, and solution chemistry in the alkylamine-quartz flotation system
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1984.
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Direct ⍺-C–H Functionalisation of Cyclic Alkylamines
… Substituted derivatives of these cyclic tertiary alkylamine scaffolds often exhibit markedly different physicochemical and biological properties compared to their unsubstituted counterparts. Consequently, methods for the selective functionalisation of these scaffolds would greatly facilitate the …
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New carbon-nitrogen bond-forming reactions of palladium
… bond and the reductive elimination of an alkylamine from a low-valent alkylpalladium amido complex. These reactions were previously proposed as steps in palladium catalyzed reactions, however, these are the first examples of isolated palladium complexes that undergo these C-N bond-forming …
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Verbesserte Titankatalysatoren für die intermolekulare Hydroaminierung von Alkinen
… Ergebnisse zeigten, dass eine Übertragung auf Alkylamine durchaus in naher Zukunft realisierbar sein sollte.
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Gas Phase Oxidation of Levulinic Acid for the Production of Maleic Anhydride over Supported Vanadium Oxide Catalysts
… degree of substitution of the α-carbon in the alkylamine. Finally, we try to develop new techniques to better measure the intrinsic activity of a Brønsted catalyzed reaction.</p>
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DERIVATIZATION OF DIIMINE TRICARBONYL Re(I) COMPLEXES FOR COOPERATIVE CATALYSIS AND SURFACE IMMOBILIZATION
… were investigated, including butyl, amide, and alkylamine. The electronic effects of the linkages involved were shown to have a significant impact on the catalytic activity of Re(I) on silica surfaces. Additionally, both monopodal and dipodal linkages were investigated to further explore the …
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A FACILE SYNTHESIS OF TRANSITION METAL OXIDE AND CHALCOGENIDES NANOCRYSTALS FOR ELECTROCATALYTIC APPLICA TIONS
… excessive surface organics by using short chain alkylamine as solvent. The optimization leads to excellent catalytic performance in oxygen reduction reaction, which is only 20mV lower in half wave overpotential than commercial Pt/C. Our synthesis method is economical and highly scalable, …
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The development of a radiolabelled macromolecule as a therapeutic agent for the treatment of cancer
… a β-glycoside tether and a long chain primary alkylamine. The glycoside tether was synthesised via glycosylation of a glycosyl iodide with decandiol followed by oxidation of the terminal hydroxyl group to an acid chloride for cyclam acylation. The second linker attached to cyclam was …
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Luminescent Iridium(III) Cyclometalated Complexes: Host-Guest Chemistry and Application as Sensors
… observed for Ir-CHO and Ir-H. In the iridium alkylamine complexes, Ir-CH2N-(Oct)2 displayed different emission properties from Ir-CH2NH-Bu and Ir-CH2NH-Oct. In the host-guest study reported in Chapter 3, all complexes (Ir-CHO, Ir-H and Ir-CH2NH2+-Bu) showed a similar accommodation mode within …
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Reductive elimination of alkylamines and ethers: reactions of bisphosphine-ligated palladium(II) complexes
… occur simultaneously. Although the yield of the alkylamine products is low, the observation that C(sp3)-N reductive elimination occurs from the alkylpalladium complexes provides the first step toward developing a synthetically useful reaction for the formation of C(sp3)-heteroatom bonds from …
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Car-Parrinello Moleküldynamik-Simulationen zur Hydratisierung und Protonierung von Aminen
… Bedingungen auch für ethylsubstituierte Alkylamine und deren korrespondierende Ammoniumionen angewendet werden können. Die Genauigkeit der Ergebnisse hängt dabei hauptsächlich von der Simulationszeit ab. Ein entscheidender Punkt der Arbeit ist der Nachweis, das mit Hilfe dieser …
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Ionic volumes, compressibilities and electrostriction of electrolyte solutions.
… publications. The partial molal volumes of some alkylamine hydrogen halides series have been studied with special reference to the role of solvation in the process of ionisation of methylammonium bases. It is shown that the change in volume associated with the ionisation is almost invariant as …
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Kinetic studies of redox and related reactions of some new isoalloxazines
… compounds via nucleophilic displacement by alkylamine of a methoxy group ortho to a nitro group. Two new compounds, the isomers 1-(2'-hydroxyethylamino)-2-nitronaphthalene and 2-(2'-hydroxyethylamino)-1-nitronaphthalene, were prepared by this method. These compounds were used to synthesize …
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I. Development of three-component alkene carboamination reactions II. Palladium-catalyzed anti-Markovnikov oxidative amination of alkenes III. Chloroform as a carbon monoxide precursor: in or ex situ generation of co for pd-catalyzed carbonylations IV. Hydroalkylation of alkenes via photoredox catalysis
… alkylboronic acids to access broader classes of alkylamine products. The anti-Marknovnikov oxidative amination of alkenes represents a critical regioselectivity gap in the aza-Wacker reaction. We have developed a palladium catalyst capable of promoting a sterically-controlled outer-sphere …
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Synthesis, characterization and liquid crystalline properties of organometallic complexes of chromium, cobalt and platinum
… temperature range than that observed for the alkylamine complexes. Finally, Chapter 5 reports on a simple one-pot synthesis leading to the new complexes [ {η⁶-C₆H₄R₂-1,4}Cr(CO)₃] (where R = OC(O)C₆H₄₀CnH₂n+l (n = 1, 6 - 10) or OC(O)C₆H₄C₅H₁₁ ) and [ {η⁶-C₆H₄(R')(C₆H₄R')-1,4 }Cr(CO)₃] (R' = …