(2-氯苯基)(2,2,2-三氯乙基)氯磷酸   、                                                                                      (4-Chloro-phenoxy)-acetic acid (2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-hydroxy-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-2-ylmethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
N-甲基咪唑                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        以74%的产率得到(4-Chloro-phenoxy)-acetic acid (2R,3R,4R,5R)-3-[(2-chloro-phenoxy)-(2,2,2-trichloro-ethoxy)-phosphoryloxy]-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-2-ylmethyl ester