(2R,3R,4R,4aR,7R,8R,8aR)-7,8-Diacetoxy-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridine-5-carboxylic acid tert-butyl ester                                                                                                                                                              在
                                                                                                                                         
palladium dihydroxide                                                                                                                                                                                                                               氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 8.0h,
                                                                                                                生成                                                 (2R,3R,4R,4aR,7R,8R,8aR)-7,8-Diacetoxy-3,4-dihydroxy-2-hydroxymethyl-octahydro-pyrano[3,2-b]pyridine-5-carboxylic acid tert-butyl ester