Sökning: "pheromone syntheses"

Visar resultat 1 - 5 av 8 avhandlingar innehållade orden pheromone syntheses.

  1. 1. Stereoselective syntheses of semichemicals : Applications in ecological chemistry

    Författare :Ellen M. Santangelo; Anna-Karin Borg-Karlsson; Olov Sterner; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Organic chemistry; synthesis; semiochemical; pheromone; Lepidoptera; diene; Organisk kemi; Organic chemistry; Organisk kemi;

    Sammanfattning : This thesis describes the syntheses of semiochemicals and their applications in the development of control methods for pest insects. The compounds synthesized are divided into three groups: 1) Lepidoptera pheromones; 2) methyl substituted chiral pheromones and 3) aphid pheromones. LÄS MER

  3. 2. Syntheses and behaviour activity of conjugated polyenic pheromone components

    Författare :Ilme Liblikas; KTH; []
    Nyckelord :Organic chemistry; entomology; environmental sciences;

    Sammanfattning : This thesis deals with the synthesis of conjugated dienicand trienic pheromone components- C12-C16alcohols, acetates and aldehydes and theirapplications in pheromone communication studies.Insect pheromones are widely used in modern pest management. LÄS MER

  4. 3. Chemoenzymatic methods for the syntesis of pine sawfly sex peromones

    Författare :Helen Edlund; KTH; []
    Nyckelord :pheromone syntheses; pine sawfly; diprion pini; gilpinia pallida; kenetic resolution; water activity;

    Sammanfattning : This thesis describes the syntheses of pine sawfly sexpheromones via two synthetic routes. The preparation ofenantiomerically pure building blocks for these is alsodescribed.Lipase catalysed methods were developed for either theresolution or desymmetrisation of building blocks. LÄS MER

  5. 4. 1. Asymmetric aldol and alkylation reactions using pyrrolidine-based chiral auxiliaries 2. Syntheses of pine sawfly pheromone precursors and structurally related compounds

    Författare :Fredrik Andersson; KTH; []
    Nyckelord :Chiral auxiliary; Stereoselectivity; Lewis acid; Aldol; Alkylation; Sex pheromone; Pine sawfly; Lipase; Synthesis; Diprion nipponica; Macrodiprion memoralis; Microdiprion pallipes; ;

    Sammanfattning : This thesis describes the syntheses of the 1-propionylatedauxiliaries (S)-(− )-2-(pyrrolidin-2-yl)propan-2-ol and (S)-(− )-2-(1-methoxy-1-methylethyl)pyrrolidine andtheir use in asymmetric aldol and alkylation reactions. Thesynthesis of 1-propionylated (2S,4R) 2-{4-[(tert-butyldimethylsilyl)oxy]pyrrolidin-2-yl}propan-2-olis also described. LÄS MER

  7. 5. 1. Asymmetric aldol and alkylation reactions using pyrrolidine-based chiral auxiliaries 2. Syntheses of pine sawfly pheromone precursors and structurally related compounds

    Författare :Fredrik Andersson; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chiral auxiliary; Stereoselectivity; Lewis acid; Aldol; Alkylation; Sex pheromone; Pine sawfly; Lipase; Synthesis; Chemistry; Kemi;

    Sammanfattning : .... LÄS MER