(R)-2-tert-Butoxycarbonylamino-3-(7-trifluoromethanesulfonyloxy-1H-indol-3-yl)-propionic acid methyl ester   、                                                                                      
methyl (2R)-2-[[(8R,11R,14S)-11-(3,5-dichloro-4-hydroxyphenyl)-8-[[(2R)-2-(3,5-dichloro-4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]acetyl]amino]-4-hydroxy-5-iodo-13-methyl-9,12-dioxo-2-oxa-10,13-diazatricyclo[14.2.2.13,7]henicosa-1(18),3,5,7(21),16,19-hexaene-14-carbonyl]amino]-2-(4-hydroxyphenyl)acetate                                                                                                                                                                                                                                                                                                          以20.6 mg的产率得到methyl (2R)-2-[[(18R,21R,24R,27R,30S)-21,27-bis(3,5-dichloro-4-hydroxyphenyl)-37-hydroxy-29-methyl-18-[(2-methylpropan-2-yl)oxycarbonylamino]-19,22,25,28-tetraoxo-2-oxa-14,20,23,26,29-pentazahexacyclo[30.2.2.13,7.05,24.08,13.012,16]heptatriaconta-1(34),3,5,7(37),8,10,12,15,32,35-decaene-30-carbonyl]amino]-2-(4-hydroxyphenyl)acetate