((2-Bromo-acetyl)-{[(2R,3R,4S,5R,6R)-3,4-diacetoxy-6-acetoxymethyl-5-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylcarbamoyl]-methyl}-amino)-acetic acid tert-butyl ester                                                                                                                                                              在
                                                                                                                                                                                 
三氟乙酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以89%的产率得到((2-Bromo-acetyl)-{[(2R,3R,4S,5R,6R)-3,4-diacetoxy-6-acetoxymethyl-5-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylcarbamoyl]-methyl}-amino)-acetic acid