Preparation of chiral cyclopropanecarboxylic acids and 3-oxabicyclo[3.1.0]hexane-2-ones from levoglucosenone
作者:Alexander V. Samet、Dmitriy N. Lutov、Leonid D. Konyushkin、Yuri A. Strelenko、Victor V. Semenov
DOI:10.1016/j.tetasy.2008.02.016
日期:2008.4
Levoglucosenone (a chiral alpha,beta-unsaturated ketone derivative of cellulose) serves as a starting compound in 2 and 3 step syntheses of chiral cyclopropanecarboxylic acids and 3-oxabicyclo[3.1.0]hexane-2-ones, respectively. (c) 2008 Elsevier Ltd. All rights reserved.
Preparation of chiral cyclopropanes with a carbohydrate fragment from levoglucosenone
作者:Alexander V. Samet、Anatolly M. Shestopalov、Dmitriy N. Lutov、Lyudmila A. Rodinovskaya、Alexander A. Shestopalov、Victor V. Semenov
DOI:10.1016/j.tetasy.2007.08.013
日期:2007.8
Levoglucosenone (a chiral α,β-unsaturated ketone derivative of cellulose) underwent stereoselective cyclopropanation with sulfonium ylides to form chiral trisubstituted cyclopropanes annulated with the carbohydrate moiety in high yields.