Mechanism of the transition-metal-catalyzed mutarotation reaction of N-(p-chlorophenyl)-β-d-glucopyranosylamine in methanol
作者:Kazimiera Smiataczowa、Jarosław Kosmalski、Teresa Widernik、Zygmunt Warnke
DOI:10.1016/s0008-6215(03)00023-5
日期:2003.4
Rate constants for the mutarotation reaction of N-(p-chlorophenyl)-beta-D-glucopyranosylamine (NGlc) in methanol have been determined in the presence of transition metal chlorides (MCl(2)), at 25 degrees C. The activity of the metal ions catalyzing the alpha-pyranoside<-->beta-pyranoside interconversion has been found to increase in the following series: Mn(2+)
N-(对氯苯基)-β-D-吡喃葡糖胺(NGlc)在甲醇中的诱变反应速率常数已在25°C的过渡金属氯化物(MCl(2))存在下测定。已发现,催化α-吡喃糖苷→β-吡喃糖苷相互转化的金属离子按以下顺序增加:Mn(2+)