在
茴香硫醚 、
三氟乙酸 作用下,
反应 0.5h,
以100%的产率得到(4S)-4-[13-[2-[[2-[2-[2-[2-[2-[13-[(2S)-4-carboxy-1-hydroxy-1-iminobutan-2-yl]-5,7,12,14-tetraoxo-6,13-diazatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),2,4(16),8,10-pentaen-6-yl]ethylimino]-2-hydroxyethoxy]-4-[3-[2-[2-[13-[(2S)-4-carboxy-1-hydroxy-1-iminobutan-2-yl]-5,7,12,14-tetraoxo-6,13-diazatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),2,4(16),8,10-pentaen-6-yl]ethylimino]-2-hydroxyethoxy]-4-[2-[2-[2-[13-[(2S)-4-carboxy-1-hydroxy-1-iminobutan-2-yl]-5,7,12,14-tetraoxo-6,13-diazatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),2,4(16),8,10-pentaen-6-yl]ethylimino]-2-hydroxyethoxy]-4-[2-[[5-(dithiolan-3-yl)-1-hydroxypentylidene]amino]ethoxy]phenyl]phenyl]phenyl]phenoxy]-1-hydroxyethylidene]amino]ethyl]-5,7,12,14-tetraoxo-6,13-diazatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),2,4(16),8,10-pentaen-6-yl]-5-hydroxy-5-iminopentanoic acid