Water → Bromo-PEG4-t-butyl ester

反応式

[C:1]([CH3:2])([CH3:3])([CH3:4])[O:5][C:6]([CH2:7][CH2:8][O:9][CH2:10][CH2:11][O:12][CH2:13][CH2:14][O:15][CH2:16][CH2:17][O:18][CH2:19][CH2:20][OH:21])=[O:22].[OH2:27].[P:23]([Br:24])([Br:25])[Br:26].[cH:28]1[cH:29][cH:30][n:31][cH:32][cH:33]1>>[C:1]([CH3:2])([CH3:3])([CH3:4])[O:5][C:6]([CH2:7][CH2:8][O:9][CH2:10][CH2:11][O:12][CH2:13][CH2:14][O:15][CH2:16][CH2:17][O:18][CH2:19][CH2:20][Br:24])=[O:22]