4-O-benzyloxy-5R-[2S-(6-benzyloxy-2,5,7,8-tetramethylchroman-2(R,S)yl-methyl)-[1,3]dioxolan-4S-yl]-3-octadecyloxy-5H-furan-2-one                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以90%的产率得到4-O-hydroxy-5R-[2S-(6-hydroxy-2,5,7,8-tetramethylchroman-2(R,S)yl-methyl)-[1,3]dioxolan-4S-yl]-3-octadecyloxy-5H-furan-2-one