Browsing by Author "Barrero, Alejandro F."
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- ItemConfiguration and leishmanicidal activity of (-)-argentilactone epoxides(2006) Cortés Marescotti, Manuel; Armstrong Lattapiat, Ana Verónica; Barrero, Alejandro F.; Bandoni, Arnaldo E.; Priestap, A.; Fournet, Alain; Prina, Eric
- ItemMild and rapid method for the generation of o-quinone methide intermediates.: Synthesis of puupehedione analogues(2006) Barrero, Alejandro F.; del Moral, Jose F. Quilez; Herrador, M. Mar; Arteaga, Pilar; Cortes, Manuel; Benites, Julio; Rosellon, AntonioA route to simpler analogues to bioactive puupehedione derivatives involving a hetero Diels-Alder cycloaddition of a o-quinone methide is described. These intermediate species are generated via fluoride-induced desilylation of silyl derivatives of o-hydroxybenzyl iodides. Remarkable short reaction times and very mild experimental conditions are the main features of this method. (c) 2006 Elsevier Ltd. All rights reserved.
- ItemSolid-phase selenium-catalyzed selective allylic chlorination of polyprenoids(2006) Barrero, Alejandro F.; Quilez del Moral, Jose F.; Mar Herrador, M.; Cortes, Manuel; Arteaga, Pilar; Catalan, Julieta V.; Sanchez, Elena M.; Arteaga, Jesus F.Regioselective halogenation of the terminal isopropylidene unit of different acyclic polyolefinic polyprenoids (farnesyl acetate, geranylgeranyl acetate, squalene, etc.) using NCS/ catalytic polymer-supported selenenyl bromide is described; good to excellent yields are obtained (68-96%). The first applications of this protocol include the concise synthesis of bioactive terpenoids 1-3.
- ItemSynthesis and antitumor activity of puupehedione and related compounds(1999) Barrero, Alejandro F.; Álvarez Manzaneda, Enrique J.; Chahboun, Rachid; Córtes Cortés, Manuel Enrique; Armstrong, V.
- ItemSynthesis of racemic and chiral albicanol, albicanyl acetate and cyclozonarone : Cytotoxic activity of ent-cyclozonarone(2008) Delgado Chang, Virginia; Armstrong Lattapiat, Ana Verónica; Cortés Marescotti, Manuel; Barrero, Alejandro F.