[3,5-bis(phenylmethoxy)-2-(2-phenylmethoxyacetyl)phenyl] 3-phenylmethoxy-4-[(2S,3R,4S,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxybenzoate                                                                                                                                                              在
                                                                                                                                                                                 
四丁基溴化铵   、                                                                                                  
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以58%的产率得到[2-13C]-5-hydroxy-3,3',7-tribenzyloxy-4'-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyloxy)flavone