5-[1-(tert-butyl-dimethyl-silanyloxy)-butyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride   、                                                                                                  
sodium sulfate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 1.25h,
                                                                                                                以91%的产率得到5-[1-(tert-butyl-dimethyl-silanyloxy)-butyl]-2,2-dimethyl-[1,3]dioxolan-4-yl-methanol