Concise Photochemical Synthesis of the Antimalarial Indole Alkaloid Decursivine
作者:Mark Mascal、Kyle V. Modes、Asuman Durmus
DOI:10.1002/anie.201006423
日期:2011.5.2
A four‐step synthesis of the extracyclic, antimalarialindole natural product decursivine is described starting from commercial piperonyl bromide and serotonin (see scheme). A photoinitiated reaction cascade involving indole radical cation formation, rearrangement, radical recombination, rearomatization, elimination, and diastereoselective auto‐acid‐catalyzed closure of the dihydrofuran ring combine
Total Synthesis of (±)-Decursivine and (±)-Serotobenine: A Witkop Photocyclization/Elimination/O-Michael Addition Cascade Approach
作者:Hua Qin、Zhengren Xu、Yuxin Cui、Yanxing Jia
DOI:10.1002/anie.201100495
日期:2011.5.2
A photo op: The concise total syntheses of (±)‐decursivine and (±)‐serotobenine were achieved by using the titled cascade reaction, which is modeled on the biomimetic pathway. The synthesis of (±)‐decursivine, which exhibits antimalarial activity, was carried out in five steps without using protecting groups.