M Kitajima - Journal of Natural Medicines, 2022 - Springer
Abstract Ophiorrhiza plants (Family Rubiaceae) are known to produce diverse monoterpenoid indole alkaloids including camptothecin with potent antitumor activity. This …
J Sakamoto, H Ishikawa - Chemistry–A European Journal, 2022 - Wiley Online Library
A series of bioinspired transformations that are applied to convert strictosidine aglycones into monoterpenoid indole alkaloids is reported. The highly reactive key intermediates …
JE Saxton - Natural Product Reports, 1995 - pubs.rsc.org
Recent reviews include a general one on indolocarbazoles, l and a specific one devoted to 9-hydroxyellipti~ ine.~ Another review, in which the sources, antitumour activity, and clinical …
T Onozawa, M Kitajima, N Kogure… - Journal of Natural …, 2017 - ACS Publications
A new cyclopeptide, ophiorrhisine A (1), a new tetrahydroisoquinoline alkaloid, 7′, 10-dide- O-methylcephaeline (2), two known β-carboline alkaloids, and four known …
B Wetterauer, E Wildi, M Wink - Biotechnological Approaches for Medicinal …, 2018 - Springer
Camptothecin (CPT), a modified monoterpene indole alkaloid, is a well-known antineoplastic agent. A comparison of 25 different transformed root culture lines of …
FA Davis, JY Melamed, SS Sharik - The Journal of organic …, 2006 - ACS Publications
Total Synthesis of (−)-Normalindine via Addition of Metalated 4-Methyl-3-cyanopyridine to an Enantiopure Sulfinimine | The Journal of Organic Chemistry ACS ACS Publications C&EN …
M Kitajima, S Ohara, N Kogure, D Santiarworn… - Tetrahedron, 2013 - Elsevier
Six new β-carboline-type indole alkaloid glycosides, ophiorrhisides A–F (1–6), were isolated from Ophiorrhiza trichocarpon (Rubiaceae) collected in Thailand. Ophiorrhisides A (1) and B …
D Arbain - Natural Product Communications, 2012 - journals.sagepub.com
Inventory, Constituents and Conservation of Biologically Important Sumatran Plants Page 1 Inventory, Constituents and Conservation of Biologically Important Sumatran Plants Dayar …
M Ohba, H Kubo, H Ishibashi - Tetrahedron, 2000 - Elsevier
A full account of the first chiral synthesis of (−)-normalindine [(−)-4], an indolopyridonaphthyridine alkaloid isolated from Strychnos johnsonii and Ophiorrhiza …