First asymmetric synthesis of chiral 1,4-benzodioxane lignans
摘要:
An asymmetric and regioselective total synthesis approach to 1,4-benzodioxane lignans was reported in which (2R,3R)- and (2S,3S)-3-(4-hydroxy-3-methoxyyhenyl)-2-hydroxymethyl-1,4-benzodioxan-6-carbaldehyde were synthesized firstly. A natural 1,4-benzodioxane neolignan was synthesized firstly by the synthesis approach. (C) 2000 Elsevier Science Ltd. All rights reserved.
A Convenient Synthesis of (±)-3-Methoxybenzodioxane-4,9,9′-triol Neolignan, and Methyl Ethers of Isoamericanol A and Isoamericanin A
作者:Xuegong She、Wenxin Gu、Tongxing Wu、Xinfu Pan
DOI:10.1039/a807191h
日期:——
The (±)-3-methoxybenzodioxane-4,9,9′-triol neolignan 9, and methylethers of isoamericanol A 8 and isoamericanin A 7 were synthesized from the readily available materials caffeic acid and ferulic acid, using a coupling reaction as a key step.