(E)-3-[(1S,2R,3R,4R)-3-(Tetrahydro-pyran-2-yloxymethyl)-7-oxa-bicyclo[2.2.1]hept-5-en-2-yl]-acrylic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
二异丁基氢化铝                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                                                        以80%的产率得到(E)-3-[(1S,2R,3R,4R)-3-(Tetrahydro-pyran-2-yloxymethyl)-7-oxa-bicyclo[2.2.1]hept-5-en-2-yl]-prop-2-en-1-ol