K
Kooi-Mow Sim
Researcher at Universiti Tunku Abdul Rahman
Publications - 40
Citations - 908
Kooi-Mow Sim is an academic researcher from Universiti Tunku Abdul Rahman. The author has contributed to research in topics: Tabernaemontana corymbosa & Tabernaemontana. The author has an hindex of 18, co-authored 38 publications receiving 846 citations. Previous affiliations of Kooi-Mow Sim include University of Malaya.
Papers
More filters
Journal ArticleDOI
Alkaloids from Kopsia griffithii
Toh-Seok Kam,Kooi-Mow Sim +1 more
TL;DR: In this paper, 19 alkaloids were isolated from the leaf extract of Kopsia griffithii, of which two were new, viz., 12-methoxypleiocarpine and the tetrahydro-β-carboline derivative, harmicine.
Journal ArticleDOI
Leishmanicidal alkaloids from Kopsia griffithii
TL;DR: Thirteen alkaloids were isolated from the stem-bark extract of Kopsia griffithii, of which three were new, and Harmane, pleiocarpine and buchtienine showed antileishmanial activity.
Journal ArticleDOI
Cytotoxic and Leishmanicidal Aminoglycosteroids and Aminosteroids from Holarrhena curtisii
Toh-Seok Kam,Kooi-Mow Sim,Takashi Koyano,Mitsuhide Toyoshima,Masahiko Hayashi,Kanki Komiyama +5 more
TL;DR: The EtOH extract of the leaves of Holarrhena curtisii yielded five new steroidal alkaloids and eight compounds showed significant cytotoxic and leishmanicidal activities.
Journal ArticleDOI
Leuconoxine, kopsinitarine, kopsijasmine, and kopsinone derivatives from Kopsia.
Siew-Huah Lim,Kooi-Mow Sim,Zanariah Abdullah,Osamu Hiraku,Masahiko Hayashi,Kanki Komiyama,Toh-Seok Kam +6 more
TL;DR: Four new indole alkaloids were obtained from two Kopsia species, 6-oxoleuconoxine from the leaf extract of K. griffithii and kopsinitarine E, and kopsonoline from the stem-bark extract ofK.
Journal ArticleDOI
Tronocarpine, a novel pentacyclic indole incorporating a seven-membered lactam moiety
TL;DR: A pentacyclic indole alkaloid, tronocarpine, incorporating a seven-membered lactam unit, was obtained from the stem-bark extract of Tabernaemontana corymbosa and its structure elucidated by spectral analysis.