141939-89-1Relevant articles and documents
Redox-Annulation of Cyclic Amines and β-Ketoaldehydes
Chen, Weijie,Seidel, Daniel
supporting information, p. 1024 - 1027 (2016/03/15)
Benzo[a]quinolizine-2-one derivatives are readily assembled from 1,2,3,4-tetrahydroisoquinoline and β-ketoaldehydes by means of a new intramolecular redox-Mannich process. These reactions are promoted by simple acetic acid and are thought to involve azomethine ylides as reactive intermediates.