Results 21 to 30 of about 31,806 (308)

The isolation, characterization and antiplasmodial activity of two novel dimeric sesquiterpenes from Dicoma anomala [PDF]

open access: yes, 2006
Includes bibliographical references (leaves 180-208).The study investigates the antimalarial potential of a Southern African traditional medicinal plant, Dicoma anomala (Sond.). The plant is used to treat a variety of treatments including fevers.
Tselanyane, Malefa Lydia
core   +1 more source

A dimeric sesquiterpene, gochnatiolide A [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2009
THE TITLE COMPOUND [SYSTEMATIC NAME: 5'a-hydroxy-1',3,6,8'-tetrakis(methylene)-3a,4,5,5',5'a,6,6',6a,7,7',7'a,8',9a,9b,10'a,10'b-hexadecahydrospiro[azuleno[4,5-b]furan-9(2H),3'-[3H]benz[1,8]azuleno[4,5-b]furan]-2,2',8,9'(1'H,3H,4'H)-tetrone acetone 0.92-solvate], C(30)H(30)O(7)·0.92C(3)H(6)O, is a dimeric sequiterpene formed by a cyclohexane system ...
Hui-Ping Xiong   +3 more
openaire   +3 more sources

Halogenated chamigrane sesquiterpenes from Laurencia okamurae

open access: yes, 2012
Three new halogenated chamigrane sesquiterpenes, laurokamin A (1), laurokamin B (2), and laurokamin C (3), and four known halogenated chamigrane sesquiterpenes, 10-bromo-alpha-chamigrene (4), 10-bromo-beta-chamigrene (5), 2,10-dibromo-3-chloro-beta ...
Li, Xiao-Dong   +3 more
core   +1 more source

Sesquiterpenes. A Terpene subclass with multifaceted bioactivities

open access: yes, 2023
Sesquiterpenes are terpene compounds, containing three isoprene units rearranged in a wide variety of structures. They occur widely in nature, not only in plants but also in fungi and marine environment.
De Paolis F   +4 more
core   +1 more source

Chemical Composition of Kickxia aegyptiaca Essential Oil and Its Potential Antioxidant and Antimicrobial Activities

open access: yesPlants, 2022
The exploration of new bioactive compounds from natural resources as alternatives to synthetic chemicals has recently attracted the attention of scientists and researchers.
Ahmed M. Abd-ElGawad   +6 more
doaj   +1 more source

Antifeedant activity of sesquiterpenes from celastraceae [PDF]

open access: yes, 1997
7 páginas, 2 figuras, 2 tablas, 27 referencias.-- cmartin@irnase.csic.esForty one sesquiterpenes with a dihydro-β-agarofuran skeleton, and 14 related synthetic compounds are assayed for antifeedant and insecticidal activities against the Egyptian cotton ...
González-Pérez, José Antonio   +5 more
core   +1 more source

Chemical Diversity of Artemisia rutifolia Essential Oil, Antimicrobial and Antiradical Activity

open access: yesPlants, 2023
This paper presents the results of the study of the composition of the essential oil (EO) of Artemisia rutifolia by the GC/MS method as well as its antimicrobial and antiradical activities.
Elena P. Dylenova   +6 more
doaj   +1 more source

Sesquiterpenes and oxygenated sesquiterpenes dominate the emissions of downy birches [PDF]

open access: yes, 2020
Abstract. Even though isoprene and monoterpene (MT) emissions of boreal needle trees have been studied quite intensively, there is less knowledge on the emissions of broadleaved deciduous trees and emissions of larger terpenes and oxygenated volatile organic compounds (OVOCs).
Heidi Hellén   +7 more
openaire   +1 more source

FUNGITOXIC ACTIVITY OF TWO SESQUITERPENE COMPOUNDS FROM DRECHSLERA CYNODONTIS AGAINST PLANT PATHOGEN FUNGI. [PDF]

open access: yesJournal of Plant Protection and Pathology, 2009
Two, sesquiterpenes; Dihydrobipolaroxin (1) and Sorokinianin (2). have been isolated from the culture filtrates of the fungus Drechslera cynodontis. This paper describes the isolation and structure elucidation of the two chemical compounds by EL-MS, 1H ...
E. El-Sherbiny   +3 more
doaj   +1 more source

Antimicrobial, Cytotoxic, and α-Glucosidase Inhibitory Activities of Ethanol Extract and Chemical Constituents Isolated from Homotrigona apicalis Propolis—In Vitro and Molecular Docking Studies

open access: yesLife, 2023
The chemical investigation of Homotrigona apicalis propolis collected in Binh Dinh province, Vietnam, led to the isolation of nine compounds, including four sesquiterpenes: spathulenol (1), 1αH,5βH-aromandendrane-4β,10α-diol (2), 1β,6α-dihydroxy-4(15 ...
Diep Thi Lan Phuong   +11 more
doaj   +1 more source

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