Bis-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-phosphinic acid 2-(5-methyl-2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-yl)-ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
对甲苯磺酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.08h,
                                                                                                                以33%的产率得到[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-hydroxymethyl-phosphinic acid 2-(5-methyl-2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-yl)-ethyl ester