Showing 21 - 40 results of 1,125 for search '"alkaloids"', query time: 0.05s Refine Results
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    Angustilobine and andranginine type indole alkaloids and an uleine–secovallesamine bisindole alkaloid from Alstonia angustiloba by Kam, T.S., Ku, W.F., Tan, S.J., Low, Y.Y., Komiyama, K.

    Published 2011
    “…One is an alkaloid of the angustilobine type (angustilobine C), while the other is a bisindole alkaloid angustiphylline, derived from the union of uleine and secovallesamine moieties. …”
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    Article
  3. 23

    Total Synthesis of Oligomeric Cyclotryptamine Alkaloids by Scott, Tony Z.

    Published 2023
    “…The application of our diazene-directed assembly of enantiomerically enriched cyclotryptamines afforded a highly convergent synthesis of the pentameric alkaloid, allowing its detailed structural assignment. …”
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    Thesis
  4. 24

    Studies on the synthesis of bisindole Aspidosperma alkaloids by Pinto, Taylor

    Published 2024
    “…Introduction and Background on Aspidosperma Alkaloids A brief overview of monoterpene indole Aspidosperma alkaloids is discussed. …”
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    Thesis
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    Total synthesis and study of myrmicarin alkaloids by Ondrus, Alison E., Movassaghi, Mohammad

    Published 2013
    “…The myrmicarins are a family of air- and temperature-sensitive alkaloids that possess unique structural features. …”
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    Article
  8. 28

    Total synthesis of all (−)-agelastatin alkaloids by Movassaghi, Mohammad, Siegel, Dustin S., Han, Sunkyu

    Published 2013
    “…The pyrrole-imidazole family of marine alkaloids, derived from linear clathrodin-like precursors, constitutes a diverse array of structurally complex natural products. …”
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    Article
  9. 29

    Synthesis and anticancer activity of epipolythiodiketopiperazine alkaloids by Boyer, Nicolas Cedric, Morrison, Karen C., Kim, Justin, Hergenrother, Paul J., Movassaghi, Mohammad

    Published 2015
    “…The epipolythiodiketopiperazine (ETP) alkaloids are a highly complex class of natural products with potent anticancer activity. …”
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    Article
  10. 30

    Studies on the biomimetic synthesis of the manzamine alkaloids by Baldwin, J, Claridge, T, Culshaw, A, Heupel, F, Lee, V, Spring, DR, Whitehead, R

    Published 1999
    “…The biomimetic synthesis of the manzamine-related alkaloid keramaphidin B is described. The key intramolecular Diels-Alder reaction proposed in the Baldwin and Whitehead hypothesis is demonstrated. …”
    Journal article
  11. 31

    Complexity-generating reactions and the synthesis of alkaloids by Seah, K

    Published 2016
    “…<p>This thesis describes attempts to apply the furan oxidative <em>N</em>-spirocyclisation methodology to the synthesis of three alkaloids, namely pandamarilactone-1, lycopladine D and hederacine B.…”
    Thesis
  12. 32

    A biomimetic approach to the manzamine alkaloids by Spring, DR, Baldwin, J, Whitehead, R, Bischoff, L, Claridge, T

    Published 1997
    “…The manzamines are a newly discovered class of marine alkaloids, many ni" which display interesting cytotoxic, antibacterial and antifungal properties. …”
    Journal article
  13. 33

    Flexible strategy for the synthesis of pyrrolizidine alkaloids. by Donohoe, T, Thomas, R, Cheeseman, MD, Rigby, C, Bhalay, G, Linney, I

    Published 2008
    “…A general strategy for the production of pyrrolizidine alkaloids is described, starting from intermediate (+)-9. …”
    Journal article
  14. 34

    A biomimetic approach to the manzamine alkaloids by Baldwin, J, Claridge, T, Culshaw, A, Heupel, F, Smrckova, S, Whitehead, R

    Published 1996
    “…Results from model studies of a synthetic approach to the manzamine alkaloids based on a biogenetic theory are reported together with the synthesis of a plausible biogenetic precursor to these alkaloids.…”
    Journal article
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    Structural revision of the Hancock alkaloid (-)-galipeine by Davies, S, Fletcher, A, Houlsby, I, Roberts, P, Thomson, J

    Published 2017
    “…The 1H and 13C NMR data of synthetic samples of (S)-N(1)-methyl-2-[2'-(3″-hydroxy-4″-methoxyphenyl)ethyl]-1,2,3,4-tetrahydroquinoline, the originally proposed structure of the Hancock alkaloid (-)-galipeine, do not match those of the natural product. …”
    Journal article
  17. 37

    Catalytic divergent synthesis of quinazolinone alkaloids by Wei, T

    Published 2019
    “…<p>The general goal of this thesis was to implement a new, catalytic, enantioselective isocyanoacetate ketone aldol reaction into a challenging total synthesis plan, in order to achieve a catalyst controlled stereoselective total synthesis of a specific subset of quinazolinone alkaloids - tryptoquivalines and chaetominine.</p> <p><b>Chapter 1</b> firstly introduces the panorama of quinazolinone alkaloids and pioneering synthetic achievements on tryptoquivalines and chaetominines. …”
    Thesis
  18. 38

    Investigations into the manzamine alkaloid biosynthetic hypothesis by Baldwin, J, Ciaridge, T, Culshaw, A, Heupel, F, Lee, V, Spring, DR, Whitehead, R, Boughtflower, R, Mutton, I, Upton, R

    Published 1998
    “…The biomimetic synthesis of a pentacyclic alkaloid (keramaphidin B, 1), an intermediate in the biogenetic pathway to the manzamine alkaloids, has been achieved. …”
    Journal article
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    New alkaloids from Phoebe scortechinii by Awang, Khalijah, Mukhtar, Mat Ropi, Mustafa, Mohd Rais, Litaudon, M., Shaari, K., Mohamad, K., Hadi, A.H.A.

    Published 2007
    “…The proaporphine, tetrahydropronuciferine(2), was isolated for the first time as a natural product. The alkaloids were elucidated primarily by means of high field NMR and HRMS…”
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    Article
  20. 40

    Sesquiterpenes and alkaloids from Scorodocarpus borneensis by Wiart, Christophe, Martin, Marie-Thérèse, Awang, Khalijah, Hue, Nathalie, Serani, Laurent, Laprévote, Olivier, Paı̈s, Mary, Rhamani, Mawardi

    Published 2001
    “…The structures of the new compounds were elucidated by interpretation of spectral data, especially tandem mass spectrometry for the alkaloid mixture.…”
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    Article