(3aR,4R,6S,7S,7aR)-4-Methoxy-2,2,6-trimethyl-7-((2R,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-[1,3]dioxolo[4,5-c]pyran                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
methyl 4-O-α-L-fucopyranosyl-α-L-rhamnopyranoside