methyl 2,4-di-O-acetyl-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->3)-6-O-benzyl-β-D-mannopyranoside                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以87%的产率得到methyl 2,4-di-O-acetyl-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->3)-β-D-mannopyranoside