(2S,3S,6R)-6-Allyl-2-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-3-hydroxymethyl-3-methyl-tetrahydro-pyran-4-one                                                                                                                                                              在
                                                                                                                                                                                 
L-Selectride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以94%的产率得到(2S,3R,4R,6R)-6-Allyl-2-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-3-hydroxymethyl-3-methyl-tetrahydro-pyran-4-ol