Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Ramón Alvarez-Manzaneda"'
Autor:
Mustapha Ait El Had, Manal Zefzoufi, Houda Zentar, Lahoucine Bahsis, Mouhi Eddine Hachim, Adib Ghaleb, Choukri Khelifa-Mahdjoubi, Hafida Bouamama, Ramón Alvarez-Manzaneda, José Justicia, Rachid Chahboun
Publikováno v:
Molecules, Vol 29, Iss 3, p 650 (2024)
Synthesis of the natural product prattinin A and some new derivatives has been achieved using abietic acid. The final products and a selection of intermediates were evaluated for their antibacterial activity against three human pathogenic bacteria: E
Externí odkaz:
https://doaj.org/article/40a42250261147a191fa95fc9a86b1fe
Autor:
Juan J. Guardia, Antonio Fernández, José Justicia, Houda Zentar, Ramón Alvarez-Manzaneda, Enrique Alvarez-Manzaneda, Rachid Chahboun
Publikováno v:
Molecules, Vol 28, Iss 4, p 1524 (2023)
The acid treatment of 6,7-seco-abietane dialdehydes gives, in high yield, the corresponding derivatives with the 4a-methyltetrahydrofluorene skeleton of taiwaniaquinoids. A mechanism involving the elimination of formic acid from the cyclic aldol inte
Externí odkaz:
https://doaj.org/article/94d10ff90a954fa2a551af27cdf0539e
Autor:
Houda Zentar, Fatin Jannus, Marta Medina-O’Donnell, José A. Lupiáñez, José Justicia, Ramón Alvarez-Manzaneda, Fernando J. Reyes-Zurita, Enrique Alvarez-Manzaneda, Rachid Chahboun
Publikováno v:
Molecules, Vol 27, Iss 17, p 5705 (2022)
A set of thirteen cassane-type diterpenes was synthesized and an expedient synthetic route was used to evaluate 14-desmethyl analogs of the most active tested cassane. The anti-inflammatory activities of these 13 compounds were evaluated on a lipopol
Externí odkaz:
https://doaj.org/article/ecebf23647de40cd91d6145d6ccafff0
Autor:
Houda Zentar, Fatin Jannus, Marta Medina-O’Donnell, José A. Lupiáñez, José Justicia, Ramón Alvarez-Manzaneda, Fernando J. Reyes-Zurita, Enrique Alvarez-Manzaneda, Rachid Chahboun
Publikováno v:
Molecules; Volume 27; Issue 17; Pages: 5705
riUAL. Repositorio Institucional de la Universidad de Almería
Universidad de Almería
riUAL. Repositorio Institucional de la Universidad de Almería
Universidad de Almería
A set of thirteen cassane-type diterpenes was synthesized and an expedient synthetic route was used to evaluate 14-desmethyl analogs of the most active tested cassane. The anti-inflammatory activities of these 13 compounds were evaluated on a lipopol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9e0debd8f39e09894526a49ecccee0d
https://hdl.handle.net/10481/77050
https://hdl.handle.net/10481/77050
Autor:
Rachid Chahboun, Fermín Jiménez, María Jesús Durán-Peña, Enrique Alvarez-Manzaneda, Ramón Alvarez-Manzaneda, José Manuel Botubol-Ares
Publikováno v:
The Journal of organic chemistry. 86(13)
A general and efficient method for the deconjugative α-alkylation of α,β-unsaturated aldehydes promoted by a synergistic effect between tBuOK and NaH, which considerably increases the reaction rate under mild conditions, is reported. The β,γ-uns
Autor:
Houda Zentar, Ali Haidour, Ramón Alvarez-Manzaneda, Fabio Arias, Rachid Chahboun, Enrique Alvarez-Manzaneda
Publikováno v:
Organic Letters. 20:7007-7010
An expeditious route to obtaining cassane-type furan diterpenes starting from (+)-sclareolide, an inexpensive commercially available natural lactone, has been achieved by using a solvent-free Diels-Alder cycloaddition and an unprecedented decarboxyla
Autor:
Alejandro Torres, Pilar Gutierrez, Ramón Alvarez-Manzaneda, Rachid Chahboun, Enrique Alvarez-Manzaneda
Publikováno v:
Organic & Biomolecular Chemistry. 14:9836-9845
The first syntheses of cytotoxic marine arenarans A and B starting from commercial (-)-sclareol are reported. The oxocene ring of the target compound is formed via ring-closing metathesis, a process that depends on certain structural requirements. Th
Autor:
Ahmed Ibn Mansour, Esteban Alvarez, Antonio Fernandez, Rachid Chahboun, Ettahir Boulifa, Enrique Alvarez-Manzaneda, Ramón Alvarez-Manzaneda
Publikováno v:
The Journal of Organic Chemistry. 79:10689-10695
Synthesis of the putative structure of the marine natural 15-oxopuupehenoic acid has been achieved starting from commercial (-)-sclareol. Key steps of the synthetic sequence are the Robinson annulation of a β-ketoester and methyl vinyl ketone and an
Autor:
Fermín Jiménez, Ahmed Ibn Mansour, Antonio Fernandez, Rachid Chahboun, Ettahir Boulifa, Enrique Alvarez-Manzaneda, Ramón Alvarez-Manzaneda
Publikováno v:
The Journal of organic chemistry. 82(18)
The first synthesis of antifungal sesquiterpene quinol dasyscyphin E was achieved starting from trans-communic acid. The process described involves the first diastereoselective synthesis of this type of compound by cyclization of an aryl bicyclosesqu
Autor:
Ramón Alvarez-Manzaneda, Rubén Tapia, Esteban Alvarez, Rachid Chahboun, Hanane Bouanou, Enrique Alvarez-Manzaneda
Publikováno v:
The Journal of Organic Chemistry. 79:4405-4413
The first synthesis of spirolactone (+)-vitedoin B (14 steps, 8.0% global yield) and spiro enol ether (+)-negundoin A (19 steps, 3.7% global yield), via a nor-labdane acetoxy ester, has been achieved starting from commercial (+)-abietic acid.