(E)-(R)-4-((2R,3R,4S)-3-Benzyloxy-4-hydroxy-tetrahydro-thiophen-2-yl)-4-methoxy-but-2-enoic acid methyl ester                                                                                                                                                              在
                                                                                                                                         
palladium dihydroxide                                                                                                                                                                                                                               氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以67%的产率得到(R)-4-((2R,3R,4S)-3-Benzyloxy-4-hydroxy-tetrahydro-thiophen-2-yl)-4-methoxy-butyric acid methyl ester