Results 11 to 20 of about 28,180 (235)

Network-analysis-guided synthesis of weisaconitine D and liljestrandinine. [PDF]

open access: yes, 2015
General strategies for the chemical synthesis of organic compounds, especially of architecturally complex natural products, are not easily identified. Here we present a method to establish a strategy for such syntheses, which uses network analysis.
Gallego, GM   +8 more
core   +2 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

Phytochemical Assessment on N-hexane Extract and Fractions of Marsilea Crenata Presl. Leaves Through Gc-ms [PDF]

open access: yes, 2016
Estrogen deficiency causes various health problems in postmenopausal women, including osteoporosis. Phytoestrogen emerged as a potential alternative of estrogen with minimum side effects.
Agil, M. (Mangestuti)   +2 more
core   +4 more sources

Indole diterpenoid natural products as the inspiration for new synthetic methods and strategies. [PDF]

open access: yes, 2017
Indole terpenoids comprise a large class of natural products with diverse structural topologies and a broad range of biological activities. Accordingly, indole terpenoids have and continue to serve as attractive targets for chemical synthesis.
Corsello, Michael A   +2 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

Functional characterization of the cytochrome P450 monooxygenase CYP71AU87 indicates a role in marrubiin biosynthesis in the medicinal plant Marrubium vulgare. [PDF]

open access: yes, 2019
BackgroundHorehound (Marrubium vulgare) is a medicinal plant whose signature bioactive compounds, marrubiin and related furanoid diterpenoid lactones, have potential applications for the treatment of cardiovascular diseases and type II diabetes.
Addison, J Bennett   +5 more
core   +6 more sources

Chemical Constituents from the Leaves of Annona reticulata and Their Inhibitory Effects on NO Production

open access: yesMolecules, 2013
In the present study, the chemical investigation of the leaves of Annona reticulata has resulted in the identification of nine compounds, including annonaretin A, (1), a new triterpenoid.
Ngo Xuan Luong   +7 more
doaj   +1 more source

Antifungal Activities of Compounds Produced by Newly Isolated Acrocarpospora Strains

open access: yesAntibiotics, 2023
In our continued search for bioactive metabolites from cultures of rare Actinobacteria resources from all over Taiwan and various natural ecological environments, an active antimicrobial strain of Acrocarpospora punica 04107M was collected in Taitung ...
Ming-Jen Cheng   +4 more
doaj   +1 more source

Cespitulones A and B, Cytotoxic Diterpenoids of a New Structure Class from the Soft Coral Cespitularia taeniata

open access: yesMarine Drugs, 2014
Two novel diterpenoids, cespitulones A (1) and B (2), were isolated from extracts of the soft coral Cespitularia taeniata. Both compounds possess an unprecedented bicyclo [10.3.1] ring system with C-C bond connections between C-10 and C-20, and between C-
Yu-Chi Lin   +4 more
doaj   +1 more source

Jasmonate-induced defense mechanisms in the belowground antagonistic interaction between Pythium arrhenomanes and Meloidogyne graminicola in rice [PDF]

open access: yes, 2019
Next to their essential roles in plant growth and development, phytohormones play a central role in plant immunity against pathogens. In this study we studied the previously reported antagonism between the plant-pathogenic oomycete Pythium arrhenomanes ...
Alam, Md. Zahangir   +11 more
core   +1 more source

Home - About - Disclaimer - Privacy