2-[2-(4-benzyloxy-3-methoxybenzoyl)oxyethyl-(2-hydroxyethyl)amino]ethyl-4-benzyloxy-3-methoxybenzoate                                                                                                                                                              在
                                                                                                                                                                                 palladium 10% on activated carbon   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以90%的产率得到2-[2-hydroxyethyl-[2-(4-hydroxy-3-methoxybenzoyl)oxyethyl]amino]ethyl-4-hydroxy-3-methoxybenzoate