Synthesis of C-N Natural Products: (-)-α-Kainic Acid (Helmchen), (+)-Tylophorine
(Opatz), (-)-Lycoperine A (Rychnovsky), Fluvirucidine A2 (Suh), Complanidine A (Sarpong) Günter Helmchen of the Ruprecht-Karls-Universität Heidelberg set (Org. 1450752-97-2 In stock Lett. 2010, 12, 1108. DOI: 10.1021/ol1001076) the absolute configuration…