6-[(3R)-3-(tert-butyldimethylsilyloxy)-4-(p-methoxybenzyloxy)-2-methylenebutanoyl]amino-6-deoxy-1-O-(2-trimethylsilylethyl)-β-D-glucopyranose                                                                                                                                                              在
                                                                                                                                                                                 
三氟乙酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.5h,
                                                                                                                生成                                                 6-deoxy-6-(3,4-dihydroxy-2-methylenebutanoamido)-α-D-glucopyranose   、                                                                                             6-deoxy-6-(3,4-dihydroxy-2-methylenebutanoamido)-β-D-glucopyranose