(1S,2S,3S,4R)-3-Acetoxy-2-(dimethoxy-phosphoryl)-bicyclo[2.2.1]hept-5-ene-2-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate   、                                                                                                  
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
(Dimethoxy-phosphoryl)-((1S,4R)-4-hydroxymethyl-cyclopent-2-enyl)-acetic acid methyl ester