tert-butyl 4-[(2,4-dioxo-1,3-thiazolidin-5-yl)amino]phenethyl((2 S)-2-hydroxy-2-{4-hydroxy-3-[(methylsulfonyl)amino]phenyl}ethyl)carbamate 在
三氟乙酸 作用下,
以22%的产率得到N-{5-[(1 S)-2-({4-[(2,4-Dioxo-1,3-thiazolidin-5-yl)amino]phenethyl}amino)-1-hydroxyethyl]-2-hydroxyphenyl}methanesulfonamide