%0 Journal Article %A Baeza García, Alejandro %A Burgos García, Carolina %A Álvarez-Builla Gómez, Julio %A Vaquero López, Juan J. %T Selective palladium-catalyzed amination of the heterocyclic core of variolins %D 2007 %@ 0040-4039 %U http://hdl.handle.net/10017/2652 %X A new and selective palladium-catalyzed amination of the pyrido[3′,3′:4,5]pyrrolo[1,2-c]pyrimidine nucleus, the heterocyclic core of the variolin alkaloids, is described. The method allows the introduction of amino and aryl- and alkylamino substituents on the C9 position in advanced precursors of variolin B and deoxyvariolin. %K Pyrido[3 ',3 ': 4,5]pyrrolo[1,2-c]pyrimidine %K N-tosylmethyl dichloroformimide %K Amination %K Palladium-catalyzed %K Variolins %K Sponge kirkpatrickia-varialosa %K Tosylmethyl isocyanide %K Alkaloids %K Deoxyvariolin-B %K Azolopyrimidines %K Meridianins %K Derivatives %K Chlorides %K Oxazoles %K Bromides %K Chemistry, Organic %K Bioquímica %K Biochemistry %K Science %K Ciencia %~ Biblioteca Universidad de Alcala