Tri-O-acetyl imino glucal 2 is readily made and shown to 
 undergo a variety of Lewis acid mediated carbon–carbon bond forming reactions 
 at C-1 of the piperidine nucleus. In all the reactions studied, the β-anomer 
 is predominant.
                                    三-O-乙酰亚
氨基葡萄糖醛 2 很容易制成,并显示其在
哌啶核的 C-1 处发生了多种
路易斯酸介导的碳-碳键形成反应。在研究的所有反应中,β-异构体占主导地位。