1,3-二氨基-2-羟基丙烷   、                                                                                      
Terephthalic acid mono-[2-{4-[2-tert-butoxycarbonylamino-1-(tert-butoxycarbonylamino-methyl)-ethoxycarbonyl]-benzoylamino}-1-({4-[2-tert-butoxycarbonylamino-1-(tert-butoxycarbonylamino-methyl)-ethoxycarbonyl]-benzoylamino}-methyl)-ethyl] ester                                                                                                                                                              在
                                                                                                                                                                                 
二苯基膦叠氮化物                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 N-[2-[4-[[2-[4-[[3-[[4-[1,3-bis[[4-[1,3-bis[[hydroxy-[(2-methylpropan-2-yl)oxy]methylidene]amino]propan-2-yloxycarbonyl]benzoyl]amino]propan-2-yloxycarbonyl]benzoyl]amino]-2-hydroxypropyl]carbamoyl]benzoyl]oxy-3-[[4-[1,3-bis[[hydroxy-[(2-methylpropan-2-yl)oxy]methylidene]amino]propan-2-yloxycarbonyl]benzoyl]amino]propyl]carbamoyl]benzoyl]oxy-3-[[hydroxy-[(2-methylpropan-2-yl)oxy]methylidene]amino]propyl]-1-[(2-methylpropan-2-yl)oxy]methanimidic acid