Results 11 to 20 of about 19,660 (234)

Diterpenoid Alkaloids from Delphinium anthriscifolium var. majus [PDF]

open access: yesScientific Reports, 2017
Extensive phytochemical investigation on the whole herbs of Delphinium anthriscifolium var. majus led to the identification of fourteen diterpenoid alkaloids, including three new C20–diterpenoid alkaloids (anthriscifolsines A–C, 1–3), six new C19 ...
Lian-Hai Shan   +4 more
doaj   +2 more sources

Cytotoxic Effects of Diterpenoid Alkaloids Against Human Cancer Cells [PDF]

open access: yesMolecules, 2019
Diterpenoid alkaloids are isolated from plants of the genera Aconitum, Delphinium, and Garrya (Ranunculaceae) and classified according to their chemical structures as C18-, C19- or C20-diterpenoid alkaloids. The extreme toxicity of certain compounds, e.g.
Koji Wada, Hiroshi Yamashita
doaj   +2 more sources

Structural Revisions of Diterpenoid Alkaloids [PDF]

open access: yes, 2020
Twelve diterpenoid alkaloids aconicarmichosides A–L (1–12) reported in the journals Chinese Chemical Letters (2017, 28, 1705–1710) and Acta Pharmaceutica Sinica B (2018, 8, 409–419) have been revised as their corresponding trifluoroacetates (1a–12a ...
Feng-Peng, Wang
core   +1 more source

Enhancing Bioactivities and Chemical Properties of A Marine Briarane-type Diterpenoid With Late-Stage Diversification [PDF]

open access: yes, 2023
Excavatolide B (1, ExcB), a briarane-type diterpenoid isolated from Formosan gorgonian Briareum stechei, exhibits promising anti-inflammatory activity with low cytotoxicity. In this study, we report the structure-activity relationship of ExcB derivatives
Hong, Zhuang   +8 more
core   +1 more source

Diterpenoid alkaloids from Delphinium davisii [PDF]

open access: yes, 1996
Three new hetisane-type diterpenoid alkaloids, davisinol (6), 18-benzoyldavisinol (7), and Davisin (9) have been isolated from Delphinium davisii Munz. and their structures established by detailed spectroscopic studies.
Pelletier, SW   +9 more
core   +3 more sources

Research Progress and NMR Spectral Features of Natural C19-Diterpenoid Alkaloids

open access: yesChinese Journal of Magnetic Resonance, 2019
Majority of diterpenoid alkaloids are C19-diterpenoid alkaloids found in the plants from the genera Aconitum, Delphinium and Consolida (Ranunculaceae). C19-diterpenoid alkaloids have attached lots of research interests due to their complex structures and
YIN Tian-peng   +3 more
doaj   +1 more source

A new diterpenoid from Rhizophora apiculata [PDF]

open access: yes, 2011
A new diterpenoid from Rhizophora apiculataA new diterpenoid, 15(S)-isopimar-7-en-1-oxo-15,16-diol (1), was isolated from the stems of mangrove plant Rhizophora apiculata.
Xiao, Hong-Bin   +10 more
core   +1 more source

Defensive Molecules Momilactones A and B: Function, Biosynthesis, Induction and Occurrence

open access: yesToxins, 2023
Labdane-related diterpenoids, momilactones A and B were isolated and identified in rice husks in 1973 and later found in rice leaves, straws, roots, root exudate, other several Poaceae species and the moss species Calohypnum plumiforme.
Hisashi Kato-Noguchi
doaj   +1 more source

Antiplasmodial diterpenoid alkaloid from Aconitum heterophyllum: Isolation, characterization, and UHPLC-DAD based quantification [PDF]

open access: yes, 2021
Aconitum heterophyllum is a traditionally important medicinal plant having numerous therapeutic actions as documented in Ayurveda. This plant has been used alone as well as in combination with other plants for the preparation of different anti-malarial ...
Prakhar , Agrawal   +7 more
core   +1 more source

Antitumor and Antibacterial Derivatives of Oridonin: A Main Composition of Dong-Ling-Cao

open access: yesMolecules, 2016
Isodon rubescens has been used as a traditional green tea for more than 1000 years and many medicinal functions of I. rubescens are also very useful, such as its well-known antitumor and antibacterial activities.
Dahong Li   +9 more
doaj   +1 more source

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