α-Amination of Nitrogen Heterocycles:  Ring-Fused Aminals Chen Zhang Chandra Kanta De Rudrajit Mal Daniel Seidel 10.1021/ja077473r.s004 https://acs.figshare.com/articles/journal_contribution/_Amination_of_Nitrogen_Heterocycles_Ring_Fused_Aminals/2963089 Aromatic aminoaldehydes react with cyclic amines to produce ring-fused aminals under thermal conditions. This process is applied to two-step syntheses of the quinazolinone alkaloids deoxyvasicinone and rutaecarpine. 2008-01-16 00:00:00 Aromatic Heterocycle aminoaldehyde Amination Aminal synthese aminal rutaecarpine quinazolinone alkaloids deoxyvasicinone cyclic amines