[(R)-((4S,5R)-5-Dimethoxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methoxy]-acetaldehyde                                                                                                                                                              在
                                                                                                                                                                                 
盐酸   、                                                                                                  ammonium acetate   、                                                                                                  sodium cyanoborohydride   、                                                                                                  
potassium carbonate                                                                                                                                  作用下,
                                                                                                                                                                                        反应 1.5h,
                                                                                                                生成                                                 (3R,4R,5S,6R)-5-[2-[2,4-dinitro-N-[2-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyethyl]anilino]ethoxy]-6-(hydroxymethyl)oxane-2,3,4-triol