Formal synthesis of (±)-camptothecin via tricyclic lactone as key synthon
作者:Subhash P. Chavan、Abasaheb N. Dhawane、Uttam R. Kalkote
DOI:10.1016/j.tetlet.2010.04.019
日期:2010.6
Formal synthesis of (+/-)-camptothecin via CDE tricyclic lactone employing tandem Michael addition, Dieckmann condensation and addition-elimination reaction as key steps starting from glycinate is described. (C) 2010 Elsevier Ltd. All rights reserved.
Total Synthesis of (+)-Camptothecin via an Intramolecular Palladium-Catalyzed Cyclization Strategy
作者:Subhash Chavan、Ashok Pathak、Uttam Kalkote
DOI:10.1055/s-2007-991054
日期:——
The novel cascade intramolecular Pd-catalyzed cyclization followed by aromatization for the construction of d ring of (+)-camptothecin as a key step is demonstrated.