Results 11 to 20 of about 5,988 (118)

Topical application of marine briarane-type diterpenes effectively inhibits 12-O-tetradecanoylphorbol-13-acetate-induced inflammation and dermatitis in murine skin [PDF]

open access: yesJournal of Biomedical Science, 2011
Background Skin is the largest organ in the body, and is directly exposed to extrinsic assaults. As such, the skin plays a central role in host defense and the cutaneous immune system is able to elicit specific local inflammatory and systemic immune ...
Wei Wen-Chi   +7 more
doaj   +7 more sources

Briaexcavatins M-P, Four New Briarane-Related Diterpenoids from Cultured Octocoral Briareum excavatum (Briareidae)

open access: bronzeChemical and Pharmaceutical Bulletin, 2008
Four new briarane-related diterpenoids, designated as briaexcavatins M-P (1-4), were isolated from the cultured octocoral Briareum excavatum. The structures, including the relative configurations of natural products 1-4 were established on the basis of extensive spectral data analysis and by comparison with the spectral data from other known ...
Ping‐Jyun Sung   +7 more
semanticscholar   +6 more sources

Excavatoids L-N, New 12-Hydroxybriaranes from the Cultured Octocoral Briareum excavatum (Briareidae)

open access: bronzeChemical and Pharmaceutical Bulletin, 2010
Three new 12-hydroxybriarane diterpenoids, excavatoids L-N (1-3), have been isolated from the cultured octocoral Briareum excavatum. The structures of new briaranes 1-3 were elucidated by the interpretations of spectroscopic methods. Excavatoid L (1) displayed moderate inhibitory effects on superoxide anion generation and elastase release by human ...
Jui‐Hsin Su   +11 more
semanticscholar   +6 more sources

Identification and Characterization of Chlorine-Containing Briaranes from a Cultured Octocoral Briareum excavatum (Briareidae)

open access: diamondHETEROCYCLES, 2020
Ping‐Jyun Sung   +9 more
semanticscholar   +3 more sources

Research Progress on Natural Diterpenoids in Reversing Multidrug Resistance. [PDF]

open access: yesFront Pharmacol, 2022
Multidrug resistance (MDR) is one of the main impediments in successful chemotherapy in cancer treatment. Overexpression of ATP-binding cassette (ABC) transporter proteins is one of the most important mechanisms of MDR. Natural products have their unique
Deng ZF   +6 more
europepmc   +3 more sources

Stereoselective Synthesis of Quaternary Carbons via the Dianionic Ireland-Claisen Rearrangement: An Approach to the Synthesis of Briarane Diterpenes [PDF]

open access: yesTetrahedron, 2012
Investigation of the dianionic Ireland-Claisen rearrangement has led to the development of a simple method to enantioselectively access quaternary carbon stereocenters via a chelated transition state.
Williams, Philip S.
core   +3 more sources

Total synthesis of (-)-mucocin and studies toward the asymmetric total synthesis of brianthein A [PDF]

open access: yesChemInform, 2007
A highly convergent asymmetric total synthesis of antitumor acetogenin natural product (-)-mucocin is described. This approach combined asymmetric glycolate aldol additions with ring-closing metatheses to construct cyclic ethers.
Zhang, Yan
core   +3 more sources

The application and sustainable development of coral in traditional medicine and its chemical composition, pharmacology, toxicology, and clinical research. [PDF]

open access: yesFront Pharmacol, 2023
This review discusses the variety, chemical composition, pharmacological effects, toxicology, and clinical research of corals used in traditional medicine in the past two decades.
Han M, Wang Z, Li Y, Song Y, Wang Z.
europepmc   +3 more sources

Tetrahydrofuran cembranoids from the cultured soft coral Lobophytum crassum. [PDF]

open access: yesMar Drugs, 2011
Three new cembranoids, culobophylins A–C (1–3), along with two known compounds (4 and 5) were isolated from the cultured soft coral Lobophytum crassum.
Lee NL, Su JH.
europepmc   +4 more sources

Oceanic Breakthroughs: Marine-Derived Innovations in Vaccination, Therapy, and Immune Health. [PDF]

open access: yesVaccines (Basel)
The vast, untapped potential of the world’s oceans is revealing groundbreaking advancements in human health and vaccination. Microalgae such as Nannochloropsis spp.
Gamberi C   +10 more
europepmc   +3 more sources

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