Aebischer, Bernard M.; Hanssen, Harald W.; Vasella, Andrea T., Journal of the Chemical Society. Perkin transactions I, 1982, # 9, p. 2139 - 2148
作者:Aebischer, Bernard M.、Hanssen, Harald W.、Vasella, Andrea T.、Schweizer, W. Bernd
DOI:——
日期:——
Aldonhydroximo-lactones. Preparation and Determination of Configuration
作者:Dieter Beer、Andrea Vasella
DOI:10.1002/hlca.19850680821
日期:1985.12.18
D-galactose, D-mannose, 2-acetamido-2-deoxy-D-glucose, D-ribose, and D-arabinose oxime with MnO2, Hg(OAc)2, or O2 in the presence of Cu2Cl2/pyridine are described. An (E/Z)-pair of protected hydroximo-lactones 14 and 15 was obtained by oxidation of the diisopropylidene-D-mannose oxime 13 with MnO2. In CH2Cl2 solution, the minor (E)-isomer 15 was slowly transformed into the major (Z)-isomer 14. The structure