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Showing 1 to 11 of 11 for “"Alkyl amines"”.
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The Development of Palladium and Cobalt-Catalyzed Methods for the Syntheses of alpha-Trifluoromethyl and Alkyl Amines
… of methodologies for the construction of chiral amines in organic synthesis. Amongst these chiral amines, a-trifluoromethyl and alkyl amines are an important subclass that have been sought after because of their relevance in drug discovery. With respect to a-trifluoromethyl amines, the role of …
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Nickel-catalyzed Suzuki-Miyaura reactions of unactivated halides with alkyl boranes and planar-chiral borabenzene catalysts for Diels-Alder reactions
… coupling reaction of unactivated alkyl bromides and alkyl boranes to include unactivated alkyl chlorides. The new method is adapted for use outside of a glove box and is also found to be applicable not only to the coupling of primary chlorides, but also to the coupling of bromides …
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Graphene at interfaces
… hydrocarbon, perfluorocarbon and water-soluble alkyl amines on the surface of graphene at room temperature. This approach opens the door to a rich variety of functional single layer graphenes for applications.
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Thermal and oxidative degradation of an aromatic polyamide
… of monocarboxylic acids, dicarboxylic acids, n-alkyl amines, diamines and aldehydes. Furthermore, several aromatics, ketones and amides were also identified. Mechanisms for their derivation have been proposed which are based on oxidation reactions already established in polymer chemistry. These …
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Instrumentation and development of a mass spectrometry system for the study of gas-phase biomolecular ion reactions
… above, a new reaction between protonated alkyl amines and pyrolysis formed cyclopropenylidene carbene was discovered, as the first experimental evidence of the reactivity of cyclopropenylidene. Given the important role of cyclopropenylidene in the combustion chemistry, organic synthesis, …
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Synthesis and Application of Air-Stable Secondary Phosphine Oxide, Oxime, and Amine-Phosphine Palladium(II) Complexes in Transfer Hydrogenation and Cross-Coupling Reactions
… impacts catalyst efficiency with linear primary alkyl amines providing the most active catalysts. A comparison study between the air-stable precatalysts and in situ generated catalysts showed improved activity for the precatalysts. Typically, the aforementioned privileged classes of ligands …
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Palladium-mediated C–H Functionalization of Aliphatic Amines via High Valent Palladium(IV) Intermediates
… C–H functionalization of unprotected aliphatic amines, in which the amine nitrogen coordinates to the Pd centre to promote cyclometalation to the key palladacycle intermediate. Specifically, research focused on the design and optimization of novel oxidants that would provide mild and general …
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Asymmetric synthesis of benzylic and heterobenzylic amines
… enantiopure 2,6-di[1-(1-aziridinyl)alkyl]pyridines (DIAZAPs) were prepared by a high-yielding, three-step sequence starting from 2,6-pyridinedicarbaldehyde and (S)-valinol or (S)-phenylglycinol. The new compounds were tested as ligands in palladium-catalyzed allylation of carbanions …
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Development of new transition metal catalysts for C-N bond formation and continuous flow processes for C-F bond formation
… electrophiles and aryl, heteroaryl, and alkyl amines. The catalyst system is also compatible with weak base, allowing for the amination of substrates containing base-sensitive functional groups. Chapter 2. Design of New Ligands for the Palladium-Catalyzed Arylation of a- Branched …
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Synthesis and patterning of reactive silver inks
… ammonium hydroxide, ammonium hydroxide with alkyl amines, or primary amines. The first ink is prepared simply by dissolution of silver acetate in ammonium hydroxide. This ink is particle-free and optically clear, yet undergoes rapid particle formation upon patterning as evaporation promotes …
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Developments and applications of methods for palladium- and copper-catalyzed carbon-nitrogen bond formation
… of CuH catalysis to the synthesis of chiral N-alkyl aziridines (Chapter 2), and the discovery and development of novel electrophilic amines to enable CuH-catalyzed asymmetric hydroamination to directly access primary amines (Chapter 3). Part I. Chapter 1. Use of a "Catalytic" Cosolvent, …