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Showing 1 to 20 of 273 for “"Diels-Alder"”.

  1. Asymmetric intramolecular Diels-Alder reactions

    Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1986.

    mit Repository record for Asymmetric intramolecular Diels-Alder reactions (opens in a new tab)

  2. Multicomponent Diels-Alder Sequences of 1-Aminodendralenes

    … in multicomponent diene-transmissive Diels-Alder (DTDA) reaction sequences. Dendralenes have previously been shown to generate polycyclic frameworks in a step-economic manner. The 1-amino substituent is shown to promote very high levels of site selectivity in these processes. Chapter 1 …

    aus-cath Repository record for Multicomponent Diels-Alder Sequences of 1-Aminodendralenes (opens in a new tab)

  3. Multicomponent Diels-Alder Sequences of 1-Aminodendralenes

    … in multicomponent diene-transmissive Diels-Alder (DTDA) reaction sequences. Dendralenes have previously been shown to generate polycyclic frameworks in a step-economic manner. The 1-amino substituent is shown to promote very high levels of site selectivity in these processes. Chapter 1 …

    anu Repository record for Multicomponent Diels-Alder Sequences of 1-Aminodendralenes (opens in a new tab)

  4. Synthesis of Highly Fluorinated Diels-Alder Polyphenylenes

    … to non-fluorinated analogues. Meanwhile, Diels-Alder polyphenylenes (DAPPs) are known for thermal stability as well as their rigid structure and glassy physical characteristics, which have led to a variety of film and membrane applications. This dissertation merges these two fields by …

    vt Repository record for Synthesis of Highly Fluorinated Diels-Alder Polyphenylenes (opens in a new tab)

  5. Diels-Alder addukt képződésének vizsgálata NMR spektroszkópia segítségével

    … során a maleimid és furán származékok közti Diels-Alder reakció vizsgálatát és optimalizálását tűztük ki célul, valamint a keletkező DA addukt retro-Diels-Alder reakciójának a tanulmányozását. E célból egyrészt N-metoxikarbonil-furfurilamint, míg a másik esetben furán végcsoportokat …

    debrecen Repository record for Diels-Alder addukt képződésének vizsgálata NMR spektroszkópia segítségével (opens in a new tab)

  6. Diels-Alder thermoreversible polymer networks and their nanocomposites

    L'abstract è presente nell'allegato / the abstract is in the attachment

    poli-torino Repository record for Diels-Alder thermoreversible polymer networks and their nanocomposites (opens in a new tab)

  7. Diènophiles carbonylés dans la synthèse de Diels-Alder

    Nous rapportons ici quelques résultats de réactions catalysées par les acides de Lewis entre les diènes et les diénophiles carbonylés. Le choix des réactions a été fait en fonction de la synthèse d'un squelette de la Cannivonine, un alcaloïde de canneberge ou les produits de sa dégradation et de …

    moncton Repository record for Diènophiles carbonylés dans la synthèse de Diels-Alder (opens in a new tab)

  8. Novel amino-acids from imino Diels-Alder reactions

    cambridge

  9. Intramolecular Diels-Alder reactions of conformationally restricted systems

    … studying the respective thermal Intramolecular Diels-Alder (IMDA) properties. It was envisaged that the diene and dienophile would be linked via a conformationally restricted spacer, trans-cyc1ohexane-l,2-dicarboxylic acid anhydride.

    cape-town Repository record for Intramolecular Diels-Alder reactions of conformationally restricted systems (opens in a new tab)

  10. Retro-Diels-Alder routes to 4,5 disubstituted cyclopentenones

    … corresponding stable enones. Achiral retro-Diets-Alder reactions were first attempted on 5-exo-substituted tricyclodecadienones using several Lewis-acid catalysts. 4-Substituted-2 cyclopentenones were isolated in good yield and no double bond rearrangement or decomposition was observed. Similar …

    cape-town Repository record for Retro-Diels-Alder routes to 4,5 disubstituted cyclopentenones (opens in a new tab)

  11. Synthetic studies of the intramolecular Diels-Alder reaction

    Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1991.

    mit Repository record for Synthetic studies of the intramolecular Diels-Alder reaction (opens in a new tab)

  12. Stereochemical aspects of the intramolecular Diels-Alder reaction

    Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1982.

    mit Repository record for Stereochemical aspects of the intramolecular Diels-Alder reaction (opens in a new tab)

  13. Untersuchungen zu Struktur und Mechanismus eines Diels-Alder Ribozyms

    … in einer [4+2]-Cycloaddition, eine sogenannten Diels-Alder Reaktion, katalysiert. Dieser künstliche RNA-Katalysator beschleunigt die Reaktion zwischen Anthracen- und Maleimidderivaten als erstes künstliches Ribozym in einer echten enzymatischen Katalyse. Das Ziel der vorliegenden Arbeit lag in …

    heid-diss Repository record for Untersuchungen zu Struktur und Mechanismus eines Diels-Alder Ribozyms (opens in a new tab)

  14. Studies Toward Highly Fluorinated Polyphenylenes by Diels-Alder Polymerization

    Diels-Alder polyphenylenes (DAPPs) are chemically and thermally stable polymers, used for dielectric resins, gas separation membranes, and fuel cell proton exchange membranes. Highly fluorinated DAPPs are expected to have better thermal stability and chemical resistance, higher glass transition …

    vt Repository record for Studies Toward Highly Fluorinated Polyphenylenes by Diels-Alder Polymerization (opens in a new tab)

  15. Diels-Alder Reactions of 5-[Methoxypoly(Oxyethylene)]-(3E)-1,3-Pentadiene

    … and 5-methoxyethoxy-(3E)-1,3-pentadiene (Ib). Diels-Alder reactions of Ia and Ib with acrolein, maleic anhydride, and diethyl acetylenedicarboxylate have been performed. The products of these reactions have been analyzed by spectroscopic techniques. The Diels-Alder adducts of Ia with maleic …

    mo-state Repository record for Diels-Alder Reactions of 5-[Methoxypoly(Oxyethylene)]-(3E)-1,3-Pentadiene (opens in a new tab)

  16. The Effect of Pressure on a Catalyzed Diels-Alder Reaction

    Made available in DSpace on 2014-12-10T21:24:46Z (GMT). No. of bitstreams: 1 7207033.pdf: 2016768 bytes, checksum: 34a308928028f8d6a0e8e8af34d3a903 (MD5) Previous issue date: 1971

    uiuc Repository record for The Effect of Pressure on a Catalyzed Diels-Alder Reaction (opens in a new tab)

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