Multicomponent Assembly Processes for the Synthesis of Diverse Yohimbine and Corynanthe Alkaloid Analogues
摘要:
A strategy involving a Mannich-type multi-component assembly process followed by a 1,3-dipolar cycloaddition has been developed for the rapid and efficient construction of parent heterocyclic scaffolds bearing indole and isoxazolidine rings. These key intermediates were then readily elaborated using well-established protocols for refunctionalization and cross-coupling to access a diverse 180-member library of novel pentacyclic and tetracyclic compounds related to the Yohimbine and Corynanthe alkaloids. Several other new multicomponent assembly processes were developed to access dihydro-beta-carboline-fused benzodiazepines, pyrimidinediones, and rutaecarpine derivatives.
Multicomponent Assembly Processes for the Synthesis of Diverse <i>Yohimbine</i> and <i>Corynanthe</i> Alkaloid Analogues
作者:Brett A. Granger、Zhiqian Wang、Kyosuke Kaneda、Zhenglai Fang、Stephen F. Martin
DOI:10.1021/co400055b
日期:2013.7.8
A strategy involving a Mannich-type multi-component assembly process followed by a 1,3-dipolar cycloaddition has been developed for the rapid and efficient construction of parent heterocyclic scaffolds bearing indole and isoxazolidine rings. These key intermediates were then readily elaborated using well-established protocols for refunctionalization and cross-coupling to access a diverse 180-member library of novel pentacyclic and tetracyclic compounds related to the Yohimbine and Corynanthe alkaloids. Several other new multicomponent assembly processes were developed to access dihydro-beta-carboline-fused benzodiazepines, pyrimidinediones, and rutaecarpine derivatives.