Julio C. F. Barcellos, Ayres G. Dias, Paulo R. R. Costa, New Aza-pterocarpan Analogues by Intramolecular 1,3-Dipolar Cycloaddition in in situ generated nitroneolefins, Blucher Chemistry Proceedings, Volume 1, 2013, Pages 187-187, ISSN 23184043, http://dx.doi.org/10.5151/chempro-15bmos-BMOS2013_2013820154447 (www.proceedings.blucher.com.br/article-details/new-aza-pterocarpan-analogues-by-intramolecular-13-dipolar-cycloaddition-in-in-situ-generated-nitroneolefins-8407) Palavras-chave:: ;