3-{4-[9-(3-Hydroxy-butoxy)-3-methoxy-10-oxo-9,10-dihydro-10λ4-thioxanthen-9-yl]-phenyl}-propionic acid 2,5-dioxo-pyrrolidin-1-yl ester   、                                                                                      
2-氰乙基N,N-二异丙基氯亚磷酰胺                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二异丙基乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                生成                                                 3-[4-(9-{3-[(2-Cyano-ethoxy)-diisopropylamino-phosphanyloxy]-butoxy}-3-methoxy-10-oxo-9,10-dihydro-10λ
4-thioxanthen-9-yl)-phenyl]-propionic acid 2,5-dioxo-pyrrolidin-1-yl ester