乙酸酐   、                                                                                      
1,3-dimethyl-5-[α-D-glucopyranosyl-(1->4)-β-D-glucopyranosyl]-5-(4-octadecyloxybenzyl)pyrimidine-2,4,6-trione                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
4-二甲氨基吡啶                                                                                                                                  作用下,
                                                                                                                                                                                        反应 24.0h,
                                                                                                                以82%的产率得到1,3-dimethyl-5-[2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl-(1->4)-2,3,6-tri-O-acetyl-β-D-glucopyranosyl]-5-(4-octadecyloxybenzyl)pyrimidine-2,4,6-trione