Results 31 to 40 of about 22,446 (231)

Photochemical Approaches to Complex Chemotypes: Applications in Natural Product Synthesis. [PDF]

open access: yes, 2016
The use of photochemical transformations is a powerful strategy that allows for the formation of a high degree of molecular complexity from relatively simple building blocks in a single step. A central feature of all light-promoted transformations is the
Kärkäs, Markus D.   +2 more
core   +2 more sources

A “Green” Homogenate Extraction Coupled with UHPLC-MS for the Rapid Determination of Diterpenoids in Croton Crassifolius

open access: yesMolecules, 2019
Clerodane diterpenoids are the main bioactive constituents of Croton crassifolius and are proved to have multiple biological activities. However, quality control (QC) research on the constituents are rare.
Jin-Long Tian   +9 more
doaj   +1 more source

The drug likeness analysis of anti-inflammatory clerodane diterpenoids

open access: yesChinese Medicine, 2020
Inflammation is an active defense response of the body against external stimuli. Long term low-grade inflammation has been considered as a deteriorated factor for aging, cancer, neurodegeneration and metabolic disorders.
Zheling Feng   +3 more
doaj   +1 more source

Ethyl 12-Sulfamoyl-abieta-8,11,13-trien-18-oate

open access: yesMolbank, 2023
We synthesized the novel compound ethyl 12-sulfamoyl-abieta-8,11,13-trien-18-oate in good yield from ethyl 12-sulfo-abieta-8,11,13-trien-18-oate via a two-step protocol.
Evgeniy S. Izmest’ev   +7 more
doaj   +1 more source

A Review on Daphnane-Type Diterpenoids and Their Bioactive Studies

open access: yesMolecules, 2019
Natural daphnane diterpenoids, mainly distributed in plants of the Thymelaeaceae and Euphorbiaceae families, usually include a 5/7/6-tricyclic ring system with poly-hydroxyl groups located at C-3, C-4, C-5, C-9, C-13, C-14, or C-20, while some special ...
Yue-Xian Jin   +6 more
doaj   +1 more source

Daphnane Diterpenoids from Trigonostemon lii and Inhibition Activities Against HIV-1

open access: yesNatural Products and Bioprospecting, 2020
Natural products are the important source for the discovery of more potent anti-HIV agents. In this study, six daphnane diterpenoids including three unreported structures were isolated from Trigonostemon lii, which showed significant activities against ...
Cheng-Jian Tan   +6 more
doaj   +1 more source

Zeylleucapenoids A–D, Highly Oxygenated Diterpenoids with Anti-Inflammatory Activity from Leucas zeylanica (L.) R. Br.

open access: yesMolecules, 2023
Four previously undescribed highly oxygenated diterpenoids (1–4), zeylleucapenoids A–D, characterized by halimane and labdane skeletons, were isolated from the aerial parts of Leucas zeylanica.
Ting Zhao   +6 more
doaj   +1 more source

Diterpenoids from Azorella compacta (Umbelliferae) active on Trypanosoma cruzi [PDF]

open access: yes, 2003
The anti-Trypanosoma cruzi activity of natural products isolated from Azorella compacta was evaluated, with particular emphasis on their effect against intracellular amastigotes. Five diterpenoids from A.
Araya, Jorge E   +10 more
core   +3 more sources

Diterpenoids From the Argentine and Malaysian Liverworts and Species

open access: yesNatural Product Communications, 2019
We are engaged in the ongoing investigation into the chemical constituents of liverworts in our search for novel compounds and biologically active substances.
Fumihiro Nagashima, Yoshinori Asakawa
doaj   +1 more source

A new anti-feedant clerodane diterpenoid from tinospora cordifolia [PDF]

open access: yes, 2013
Phytochemical investigation of the chloroform extract of Tinospora cordifolia yielded a new clerodane diterpenoid tincordin (1) along with tinosporide (2), 8-hydroxytinosporide (3), columbin (4), 8-hydroxycolumbin (5) and 10-hydroxycolumbin (6).
Campos, Ana M. F. Oliveira   +3 more
core   +1 more source

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