Total syntheses of lindenane-type sesquiterpenoids: (±)-chloranthalactones A, B, F, (±)-9-hydroxy heterogorgiolide, and (±)-shizukanolide E
作者:Guizhou Yue、Li Yang、Changchun Yuan、Biao Du、Bo Liu
DOI:10.1016/j.tet.2012.09.053
日期:2012.11
Chloranthalactones A, B, F, 9-hydroxy heterogorgiolide, and shizukanolide E are a family of natural lindenane-type sesquiterpenoids isolated mainly from chloranthaceae. A general synthetic strategy was accomplished by us for the racemic total syntheses of the five natural products. The key steps included substrate-controlled Matteson epoxidation of ketone and highly diastereoselective intramolecular
Synthetic Studies toward the Total Synthesis of Chlorahololide A
作者:Gang Zhao、Shan Qian
DOI:10.1055/s-0030-1259677
日期:2011.3
The highly stereoselective synthesis of core framework 4, a pivotal intermediate for the totalsynthesis of chlorahololide A, is reported. The approach features t-BuCu-mediated stereoselective reduction of α,β-unsaturated diketone 8, Wharton transposition, Simmons―Smith cyclopropanation and cascade enol lactonization.