哌啶   、                                                                                      
4-hydroxy-2-(1-hydroxy-1-methylethyl)-5-oxo-2,3-dihydro-5H-oxolo<3',2':4,5>benzooxin-7-ylmethyl-2-bromoacetate                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以92%的产率得到[4-Hydroxy-2-(2-hydroxypropan-2-yl)-5-oxo-2,3-dihydrofuro[3,2-g]chromen-7-yl]methyl 2-piperidin-1-ylacetate