Synthesis of Tri-<i>O</i>-acetyl-<scp>d</scp>-allal from Levoglucosenone
作者:Enrique D. V. Giordano、Agustina Frinchaboy、Alejandra G. Suárez、Rolando A. Spanevello
DOI:10.1021/ol302061a
日期:2012.9.7
Tri-O-acetyl-o-allal has been enantiospecifically synthesized in six steps from levoglucosenone in 55% overall yield. A key step in the synthesis is the anhydro bridge ring-opening with concomitant formation of a 1,3-oxathiolane-2-thione ring.