(1R,2R,5S)-2-Formyl-5-(2-methoxy-acetoxymethyl)-1,2-dimethyl-cyclopentanecarboxylic acid benzyl ester                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                                                        以82%的产率得到(1R,2R,5S)-2-Formyl-5-(2-methoxy-acetoxymethyl)-1,2-dimethyl-cyclopentanecarboxylic acid