Lourenço Luis Botelho de Santana, Silvio Cunha, Aza-bicycles Synthesis Through Formal Aza [3+3], [3+2+1] and [3+1+1+1] Cycloadditions Between Enaminones, Aldehydes and Meldrum’s Acid Derivatives., Blucher Chemistry Proceedings, Volume 1, 2013, Pages 56-56, ISSN 23184043, http://dx.doi.org/10.5151/chempro-14bmos-R0056-1 (www.proceedings.blucher.com.br/article-details/aza-bicycles-synthesis-through-formal-aza-33-321-and-3111-cycloadditions-between-enaminones-aldehydes-and-meldrums-acid-derivatives-7926) Palavras-chave:: ;