2-[(2-Chlorophenyl)methoxy]acetyl chloride   、                                                                                      (R)-methyl 3-(8-amino-7-(3-(dimethylamino)phenoxy)-2,5-dioxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-3-yl)propanoate                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以86%的产率得到(R)-methyl 3-(8-(2-((2-chlorobenzyl)oxy)acetamido)-7-(3-(dimethylamino)phenoxy)-2,5-dioxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-3-yl)propanoate