Relevant bibliographies by topics / Davanoïde

Academic literature on the topic 'Davanoïde'

Author: Grafiati
Published: 1 June 2022

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Journal articles on the topic "Davanoïde"

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Bhagavathy, Ganga V., Glory M. Velazquez Nieves, Meiling Z. Webb, and Kamlesh R. Chauhan. "Arthropod Deterrents from Artemisia Pallens (Davana Oil) Components." Natural Product Communications 10, no. 8 (August 2015): 1934578X1501000. http://dx.doi.org/10.1177/1934578x1501000802.

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Davanone, a key sesquiterpene component of davana oil, has been synthesized in five convenient steps. Oxygenated sesquiterpenes have been linked to insect deterrent properties. Based on initial screening of davana oil, davanone and its hydroxy precursors have been generated and are being evaluated as arthropod deterrents against disease vectors.
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Molander, Gary A., and Julia Haas. "Total synthesis of (±)-davanone." Tetrahedron 55, no. 3 (January 1999): 617–24. http://dx.doi.org/10.1016/s0040-4020(98)01081-3.

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Molander, Gary A., and Julia Haas. "ChemInform Abstract: Total Synthesis of (.+-.)-Davanone." ChemInform 30, no. 24 (June 15, 2010): no. http://dx.doi.org/10.1002/chin.199924184.

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4

Judzentiene, Asta, and Rasa Garjonyte. "Compositional Variability and Toxic Activity of Mugwort (Artemisia vulgaris) Essential Oils." Natural Product Communications 11, no. 9 (September 2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100942.

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The compositional variability of the essential oils of aerial parts of mugwort ( Artemisia vulgaris L.), collected from fifteen wild populations in Lithuania is detailed. The most predominant components were davanones (13.8-45.5%, six oils), germacrene D (9.1-30.5%, four oils), 1,8-cineole (16.4%, one oil), camphor (18.9%, one oil), trans-thujone (8.9 and 10.9%, two oils) and cis-chrysanthenyl acetate (10.4%, one oil). To the best of our knowledge, the davanone chemotype for A. vulgaris oils is described for the first time. The toxicity of the mugwort essential oils was determined using brine shrimp ( Artemia sp.) assay. LC50 values (10.3-23.1 μg/mL) obtained for the oils after 24 h of exposure revealed that the oils containing appreciable amounts of germacrene D, 1,8-cineole, camphor and davanone were notably toxic.
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Morrison, Karen C., Jonathan P. Litz, Kathryn P. Scherpelz, Paul D. Dossa, and David A. Vosburg. "A Concise, Biomimetic Total Synthesis of (+)-Davanone." Organic Letters 11, no. 10 (May 21, 2009): 2217–18. http://dx.doi.org/10.1021/ol900697w.

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Javzmaa, N., Sh Altantsetseg, S. Shatar, T. Enkhjargal, and Z. Anu. "Specific characteristics of essential oils of four Artemisia species from the Mongolian Trans-Altai Gobi." Mongolian Journal of Chemistry 16 (March 22, 2016): 34–38. http://dx.doi.org/10.5564/mjc.v16i0.667.

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The essential oil compositions of four Artemisia species in Mongolian Trans-Altai Gobi were studied by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The oil from A.macrocephala Jacq and A.dracunculus Ledeb. were characterized by the presence of monoterpene hydrocarbons and oxygenated monoterpeneoids predominately. E-nerolidol (26.95%), methyleugenol (23.29%) and sabinene (13.21%) were found as main components in the essential oils of A.dracunculus. A.macrocephalla was characterized by the presence of chamazulene (13.8%), cineol (11.7%), myrcene (9.0%), germacrene-D (7.1%). A.anethifolia Web was characterized by the presence of fragrant compounds as camphor (26.05%), α-thujone (10.1%), borneol (5.1%). Davanone and davanone derivatives were also detected in the sample in amount of 7.7% in total. A.scoparia Waldst differed by domination of monoterpene hydrocarbons (78.9%) with (Z)- β-ocimene (29.24%), α-pinene (15.19%), limonene (10.27%) and myrcene (9.61%).Mongolian Journal of Chemistry 16 (42), 2015, 34-38
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Bail, Stefanie, Gerhard Buchbauer, Erich Schmidt, Juergen Wanner, Alexander Slavchev, Albena Stoyanova, Zapriana Denkova, Margit Geissler, and Leopold Jirovetz. "GC-MS-Analysis, Antimicrobial Activities and Olfactory Evaluation of Essential Davana (Artemisia pallens Wall. ex DC) Oil from India." Natural Product Communications 3, no. 7 (July 2008): 1934578X0800300. http://dx.doi.org/10.1177/1934578x0800300705.

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An essential oil sample of davana (Artemisia pallens Wall. ex DC.) and a fraction thereof were investigated for their chemical composition using GC and GC-MS. cis-Davanone (45.8%), bicyclogermacrene (9.6%), linalool (2.5%), caryophyllene oxide (2.2%) and phytol (2.1%) were found to be the main constituents of the davana oil sample. The main constituents of the fraction were analyzed as cis-davanone (72.2%), davana ether 2° (5.2%) and ( Z)-ethyl cinnamate (5.2%). Antimicrobial activities of the essential oil, the fraction, some major and reference compounds were evaluated against seven strains of bacteria and one yeast using agar diffusion and agar dilution methods. The davana essential oil showed antimicrobial activities against Staphylococcus aureus, Pseudomonas aeruginosa, Salmonella enterica subsp. enterica and the yeast Candida albicans; the davana fraction was effective against all the tested bacteria and yeast except Pseudomonas aeruginosa and Proteus vulgaris. The oil and the fraction were also olfactorially evaluated.
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Catalán, César A. N., Maria del R. Cuenca, James Verghese, M. T. Joy, Alicia B. Gutiérrez, and Werner Herz. "Sesquiterpene ketones related to davanone from Artemisia pallens." Phytochemistry 29, no. 8 (January 1990): 2702–3. http://dx.doi.org/10.1016/0031-9422(90)85220-a.

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Sabitha, Gowravaram, M. Prasad, M. Bhikshapathi, and J. Yadav. "Stereospecific Total Synthesis of (+)-Davana Acid, (+)-Nordavanone and (+)-Davanone." Synthesis 2010, no. 05 (December 11, 2009): 807–10. http://dx.doi.org/10.1055/s-0029-1218603.

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Vosburg, David, Kanny Wan, Corwyn Evans-Klock, and Brian Fielder. "Synthesis of cis- and trans-Davanoids: Artemone, Hydroxydavanone, Isodavanone, and Nordavanone." Synthesis 45, no. 11 (April 24, 2013): 1541–45. http://dx.doi.org/10.1055/s-0033-1338429.

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Dissertations / Theses on the topic "Davanoïde"

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Semaoui, Mohammed. "Extraction et caractérisation des constituants contenus dans les extraits de Scolymus grandiflorus, Carduncellus pinnatus et Salvia argentea : évaluation de leurs activités biologiques." Thesis, Corte, 2021. http://www.theses.fr/2021CORT0017.

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L’objectif principal de ce travail s’inscrit dans le domaine large de la chimie des substances naturelles. L’objectif assigné est une contribution à la connaissance de la composition chimique des huiles essentielles de de deux plantes de la famille des astéracées : Scolymus grandiflorus et Carduncellus pinnatus ; et une plante de la famille des Lamiacées : Salvia argentea par la mise en oeuvre de techniques d’analyses modernes et complémentaires (CPG, CPG-SM et RMN). Ce travail de thèse est aussi une étude approfondie des propriétés biologiques de ces différentes huiles essentielles, en réalisant des tests d'activités antimicrobiennes, antioxydante et un travail initiatique sur l’inhibition des récepteurs du VEGF par deux méthodes de chimie computationnelle. Les compositions chimiques des huiles trouvées dans ces plantes et les résultats des activités biologiques sont prometteurs et ouvrent des perspectives intéressantes. Les compositions chimiques des parties souterraines de ces plantes présentent des constituants originaux tels que les Davanones, le Ferruginol, le dérivé de Phenaleno[1,9-bc]furane, l’Aethiopinone, la saprothoquinone, la Salvipisone, et de la 12- hydroxysapriparaquinone. L’étude des propriétés biologiques des huiles essentielles obtenues à partir des trois plantes s’est révélée très concluante
The main objective of this work falls within the broad field of the chemistry of natural substances. The assigned objective is to contribute to the knowledge of the chemical composition of essential oils of two plants of the asteraceae family: Scolymus grandiflorus and Carduncellus pinnatus; and a plant of the Lamiaceae family: Salvia argentea by implementing modern and complementary analysis techniques (CPG, CPG-MS and NMR). This thesis work is also an in-depth study of the biological properties of these different essential oils, by carrying out tests for antimicrobial and antioxidant activities and an initiatory work on the inhibition of VEGF receptors by two methods of computational chemistry. The chemical compositions of the oils found in these plants and the results of the biological activities are promising and open up interesting perspectives. The chemical compositions of the root parts of these plants present original constituents such as Davanones, Ferruginol, the derivative of Phenaleno [1,9-bc] furan, Aethiopinone, saprothoquinone, Salvipisone, and 12- hydroxysapriparaquinone. The study of the biological properties of the essential oils obtained from the three plants has been shown to be very conclusive
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CAVALLI, Jean-François. "Caractérisation par CPG/IK, CPG/SM et RMN du carbone-13 d'huiles essentielles de Madagascar." Phd thesis, Université Pascal Paoli, 2002. http://tel.archives-ouvertes.fr/tel-00007939.

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Cette étude a pour objectif d'une part, de développer une méthode d'analyse des huiles essentielles basée sur la combinaison du couplage CPG/SM et de la RMN du carbone-13, avec ou sans fractionnement, en utilisant les données de la littérature, en reconstruisant les spectres de molécules absentes de nos bibliothèques et d'autre part, de contribuer à une meilleure connaissance de l'huile essentielle de diverses plantes de Madagascar, endémiques ou introduites, en les caractérisant et en décrivant une éventuelle variabilité chimique. Ces analyses nous ont permis d'identifier efficacement des composés délicats à analyser par les techniques conventionnelles (stéréoisomères, molécules thermosensibles). Nous avons également étudié six échantillons de Cedrelopsis grevei et réalisé un fractionnement poussé de l'un d'entre eux, ce qui nous a permis d'identifier de très nombreux sesquiterpènes. Enfin, nous avons montré la variabilité interspécifique des huiles essentielles du genre Helichrysum.
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