A facile synthesis of tri and tetracyclic frameworks containing [1,8]naphthyridin-2-one skeleton from the Baylis-Hillman alcohols via the Johnson-Claisen rearrangement, followed by the treatment with Fe/AcOH in simple one-pot multi-step process is described. © 2009 Elsevier Ltd. All rights reserved.
Basavaiah, D., & Reddy, K. R. (2010). Simple and one-pot synthesis of tri and tetracyclic frameworks containing [1,8]naphthyridin-2-one moiety from the Baylis-Hillman adducts. Tetrahedron, 66(6), 1215–1219. https://doi.org/10.1016/j.tet.2009.12.033