(-)-(1S)-7-aminomethyl-1-[(1R)-1-chloroethyl]-3-{[5-(2-dimethylaminoethoxy)indol-2-yl]carbonyl}-1,2-dihydro-3H-benz[e]indol-5-yl β-D-galactopyranoside   、                                                                                      
dapoxil 3-sulfonamidopropionic acid succinimidyl ester                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二异丙基乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 9.0h,
                                                                                                                以89%的产率得到N-[[(1S)-1-[(1R)-1-chloroethyl]-3-[5-[2-(dimethylamino)ethoxy]-1H-indole-2-carbonyl]-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,2-dihydrobenzo[e]indol-7-yl]methyl]-3-[[4-[5-[4-(dimethylamino)phenyl]-1,3-oxazol-2-yl]phenyl]sulfonylamino]propanamide