4-戊烯-1-醇   、                                                                                      (methyl 2-O-acetyl-4-O-levulinoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-6-O-acetyl-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-α/β-D-glucopyranose trichloroacetimidate                                                                                                                                                              在
                                                                                                                                                                                 
叔丁基二甲硅基三氟甲磺酸酯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.5h,
                                                                                                                生成                                                 
pent-4-en-1-yl (methyl 2-O-acetyl-4-O-levulinoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-6-O-acetyl-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-β-D-glucopyranoside