139259-03-3Relevant articles and documents
Asymmetric Synthesis of Indoloquinolizidin-2-ones Congeners to Yohimbine-Type Alkaloids
Waldmann, Herbert,Braun, Matthias,Weymann, Markus,Gewehr, Markus
, p. 397 - 416 (2007/10/02)
Schiff bases derived from tryptophan methyl ester and tryptamine react with Danishefkys diene in the presence of ZnCl2 to give enaminones which are subsequently transformed into indoloquinolizidin-2-ones by acid-catalyzed cyclization.These tetracyc