Showing 241 - 260 results of 7,210 for search '"alkaloid"', query time: 0.09s Refine Results
  1. 241
  2. 242
  3. 243

    Cytotoxic and antimicrobial activities of alkaloids from tabernaemontana corymbosa by Bakhtiar, M. Taher, Nur ‘Izzati, Mansor, Darnis, Deny Susanti

    Published 2011
    “…The investigations were made based on the fact that alkaloids from Apocynaceae family are potential for medicinal purposes. …”
    Get full text
    Proceeding Paper
  4. 244
  5. 245
  6. 246
  7. 247
  8. 248
  9. 249

    A BIOMIMETIC APPROACH TO THE MANZAMINE ALKALOIDS - MODEL STUDIES by Baldwin, J, Claridge, T, Heupel, F, Whitehead, R

    Published 1994
    “…An approach to the manzamine alkaloids based on a biogenetic theory has been investigated using a simple model system and the key cycloaddition step has been accomplished in moderate yield. © 1994.…”
    Journal article
  10. 250

    Enantioselective construction of the ABCDE pentacyclic core of the Strychnos alkaloids by Gammack Yamagata, A, Dixon, D

    Published 2017
    “…An efficient enantioselective 12-step synthesis of the ABCDE pentacyclic core of the Strychnos alkaloids is described. A key feature of this approach is an organocatalyzed enantioselective desymmetrization to generate the morphan core in high ee and dr. …”
    Journal article
  11. 251

    Asymmetric and enantiospecific syntheses of 1-hydroxymethyl pyrrolizidine alkaloids by Brambilla, M, Davies, S, Fletcher, A, Thomson, J

    Published 2014
    “…Isoretronecanol and trachelantamidine (laburnine) are naturally occurring pyrrolizidine alkaloids which display potent biological activity, and as such these compounds have, in recent years, attracted significant interest from the bioorganic and synthetic communities. …”
    Journal article
  12. 252
  13. 253

    The use of functionalised lithium amides in the total synthesis of alkaloids by Lee, JA

    Published 2012
    “…</p><p>Chapter 3 focuses on the use of the novel reagent lithium (R)-N-(3-chloroprop-1-yl)-N-(α-methylbenzyl)amide and its derivatives in the asymmetric synthesis of two of the homalium alkaloids, (−)-(S,S)-homaline and (−)-(R,R)-hopromine, culminating in the most efficient syntheses of these alkaloids to date. …”
    Thesis
  14. 254
  15. 255

    Phytochemical study of alkaloids of Xylopia Ferruginea / Norwahida Zamani by Zamani, Norwahida

    Published 2009
    “…139 fractions of the ethyl acetate crude extract of Xylopia ferruginea were analyzed for their alkaloidal content. The 139 crude fractions were monitored using conventional method of thin layer chromatography (TLC). …”
    Get full text
    Student Project
  16. 256

    Antibacterial activity of alkaloid extracts from Ochrosia oppositifolia by Puteri I.A.M. Mahmud, W.A. Yaacob, Nazlina Ibrahim

    Published 2017
    “…Ochrosia oppositifolia can be found along the coastline and is locally known as ‘Mempelam pasih’ or ‘Mangga laut’. In this study, the alkaloids from the leaves, stem-bark and roots were extracted and tested for their antibacterial activity. …”
    Get full text
    Article
  17. 257

    Antiplasmodial and Antioxidant Isoquinoline Alkaloids from Dehaasia longipedicellata by Leong, K.H.

    Published 2014
    “…Phytochemical studies of the extract led to the isolation of six alkaloids: two morphinandienones, (+)-sebiferine (1) and (-)-milonine (2); two aporphines, (-)-boldine (3) and (-)-norboldine (4); one benzlyisoquinoline, (-)-reticuline (5); and one bisbenzylisoquinoline, (-)-O-O-dimethylgrisabine (6). …”
    Get full text
    Article
  18. 258

    Rhazinilam−leuconolam−leuconoxine alkaloids from leuconotis griffithii by Kam, T.S., Gan, C.Y., Low, Y.Y., Thomas, N.F.

    Published 2013
    “…Eight new indole alkaloids (1–8) belonging to the rhazinilam–leuconolam–leuconoxine group, in addition to 52 other alkaloids, were isolated from the stem-bark extract of Leuconotis griffithii, viz., nor-rhazinicine (1), 5,21-dihydrorhazinilam-N-oxide (2), 3,14-dehydroleuconolam (3), and leuconodines A–E (4–8). …”
    Get full text
    Article
  19. 259
  20. 260

    Alkaloids from Alphonsea elliptica barks and their biological activities by Aldulaimi, Ahmed Kareem Obaid, Abdul Azziz, Saripah Salbiah Syed, Bakri, Yuhanis Mhd, Nafiah, Mohd Azlan, Awang, Khalijah, Aowda, Saadon Abdulla, Litaudon, Marc, Hassan, Norazian Mohd, Naz, Humera, Abbas, Phirdaous, Hashim, Yumi Zuhanis Has-Yun, Majhool, Alhussein Arkan

    Published 2018
    “…Phytochemical study of the barks led tothe isolation of five alkaloid in which two were oxoaporphines; atherospermidine (1) and liriodenine (2),two were dioxoaporphines;cepharadione A (3) and N- methylouregidione (4), and an azafluorenone alkaloid;kinabaline (5). …”
    Article