Chemoenzymatic asymmetric synthesis of harzia lactone A stereomers
作者:Abha N. Kumar、Suchitra Bhatt、Subrata Chattopadhyay
DOI:10.1016/j.tetasy.2009.01.009
日期:2009.2
A facile chemoenzymatic synthesis of the harzia lactone A enantiomers was developed. A lipase-catalyzed acylation and an enantio-controlled substrate and reagent-con trol led Sharpless' asymmetric dihydroxylation are the key features of the synthesis. (C) 2009 Elsevier Ltd. All rights reserved.
Synthesis of (3<i>R</i>,5<i>R</i>)-harzialactone A and its (3<i>R</i>,5<i>S</i>)-isomer
作者:Gowravaram Sabitha、Rangavajjula Srinivas、Sukant K Das、Jhillu S Yadav
DOI:10.3762/bjoc.6.8
日期:——
The total synthesis of (3R,5R)-harzialactone A (1) and its (3R,5S)-isomer (2) is described. Epoxide opening with thioacetal and diastereoselective reductions are used as key reactions.
报道了(3R,5R)-harzialactone A (1)及其(3R,5S)-异构体(2)的全合成。关键反应包括硫代醇和立体选择性还原的环氧开放反应。