p-Bromobenzenesulfonyl chloride → 4-Bromo-benzenesulfonic acid (S)-2-(methyl-prop-2-ynyl-amino)-3-phenyl-propyl ester

Reaction equation

[CH3:1][N:2]([CH2:13][C:14]#[CH:15])[C@@H:3]([CH2:6][C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1)[CH2:4][OH:5].[Br:16][C:17]1[CH:22]=[CH:21][C:20]([S:23](Cl)(=[O:25])=[O:24])=[CH:19][CH:18]=1>>[CH3:1][N:2]([CH2:13][C:14]#[CH:15])[C@@H:3]([CH2:6][C:7]1[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=1)[CH2:4][O:5][S:23]([C:20]1[CH:21]=[CH:22][C:17]([Br:16])=[CH:18][CH:19]=1)(=[O:25])=[O:24]