A New, Stereocontrolled Approach to Iminosugar <i>C</i>-Glycosides from <scp>l</scp>-Sorbose
作者:Géraldine Masson、Philippe Compain、Olivier R. Martin
DOI:10.1021/ol0062493
日期:2000.9.1
The efficient synthesis of the iminoalditols derivatives 1 and 2 (nojirimycin alpha-C-glycosides) has been achieved in 10 steps from commercially available 2,3;4,6-di-O-isopropylidene-alpha-L-sorbofuranose in an overall yield of 23-27%.
A General Strategy for the Practical Synthesis of Nojirimycin <i>C</i>-Glycosides and Analogues. Extension to the First Reported Example of an Iminosugar 1-Phosphonate
作者:Guillaume Godin、Philippe Compain、Géraldine Masson、Olivier R. Martin
DOI:10.1021/jo0203903
日期:2002.10.1
An efficient and versatile strategy for the synthesis of nojirimycinC-glycosides and related compounds with full stereocontrol is reported. The key steps of the process are the addition of organometallic reagents onto an L-sorbose-derived imine (13) followed by an internal reductive amination. The addition step, which controls the alpha- vs beta-configuration at the pseudoanomeric center in the final