Sökning: "Enamines"

Visar resultat 1 - 5 av 14 avhandlingar innehållade ordet Enamines.

  1. 1. Development and Applications of Molybdenum-Catalyzed Chemoselective Amide Reduction

    Detta är en avhandling från Stockholm : Department of Organic Chemistry, Stockholm University

    Författare :Tove Slagbrand; Hans Adolfsson; André Charette; [2017]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; hydrosilylation; reduction; reductive functionalization; catalysis; amides; enamines; chemoselective; Organic Chemistry; organisk kemi;

    Sammanfattning : This thesis covers the development of catalytic methodologies for the mild and chemoselective hydrosilylation of amides. The first part describes the investigation of the Mo(CO)6-catalyzed reduction of carboxamides. LÄS MER

  2. 2. Synthesis of N-Containing Compounds: Development of Methodology and its Application in Total Synthesis

    Detta är en avhandling från Printed in Sweden by Media-Tryck, Lund University

    Författare :Lu Yu; [2019-08-27]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; a-keto amides; enamine catalysis; pyrrolidine; TEMPO; a-keto thioamides; a-keto amidines; a-amino-b-hydroxy ester; asymmetric transfer hydrogenation; alexine; dynamic kinetic resolution; hydroamination; 1; 2-diamines; enamines; copper;

    Sammanfattning : This thesis aims to develop new synthetic methods and explore the possibilities to apply it in the total synthesis of natural products.Chapter 2 deals with a mild procedure for the synthesis of a-keto amides by a-oxidation of the corresponding aketo amines mediated by pyrrolidine and TEMPO. LÄS MER

  3. 3. Dynamic Chemistry for Asymmetric Synthesis, Molecular Motion and Constitutional Exchange

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Yansong REN; Licheng Sun; Olof Ramström; Anna Hirsch; [2018]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; dynamic chemistry; constitutional dynamic chemistry; motional dynamics; dynamic kinetic resolution; enzyme; subtilisin Carlsberg; Candida antarctica lipase B; anti-HIV; 1; 3-oxathiolane; dynamic exchange; enamines; E Z-isomerization; molecular switches; aggregation; gelation; fluorescence.; dynamisk kemi; konstitutionell dynamisk kemi; molekylär rörelsedynamik; dynamisk kinetisk resolvering; enzym; subtilisin Carlsberg; Candida antarctica lipase B; anti-HIV; 1; 3-oxatiolan; dynamisk utbyte; enaminer; E Z-isomerisering; molekylära omkopplare; aggregering; gelbildning; fluorescens.; Kemi; Chemistry;

    Sammanfattning : Living matter is built on complex dynamic systems consisting of numerus biotransformations. By exploiting the adaptive and evolutive behaviors ofmolecular matter, dynamic chemistry has developed as an important tool tounderstand the organization of nonliving matter into complex living systems. LÄS MER

  4. 4. Asymmetric Hydrogenations Syntheses of Ligands and Expansion of Substrate Scope

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Pradeep Cheruku; Pher Andesson; Jay Siegel; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Catalysis; Asymmetric; Hydrogenations; Reductions; Olefins; Imines; Enol phosphinates; Transition metal; Complexes; Iridium; Enamines; Ruthenium; Ligands; Trifluoromethyl; Diphenylvinylphosphine oxides; Vinyl phosphonates; NATURAL SCIENCES Chemistry; NATURVETENSKAP Kemi;

    Sammanfattning : Asymmetric hydrogenation has emerged as a versatile methodology to obtain a wide range of chiral precursors. This thesis focused on the synthesis of new chiral ligands and the expansion of the substrate scope of asymmetric hydrogenations. LÄS MER

  5. 5. Mechanistic and synthetic investigations of novel halogenation reactions of amidines and enamines with tetrahalomethanes

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Stefan Löfås; [1985]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : .... LÄS MER