4-Hydroxybenzoic Acid → Tert-butyl 4-{4-[(4-hydroxybenzoyl)amino]phenyl}piperazine-1-carboxylate

Reaction equation

[CH3:31][N:32]1[CH2:33][CH2:34][O:35][CH2:36][CH2:37]1.[NH2:1][c:2]1[cH:3][cH:4][c:5]([N:8]2[CH2:9][CH2:10][N:11]([C:14](=[O:15])[O:16][C:17]([CH3:18])([CH3:19])[CH3:20])[CH2:12][CH2:13]2)[cH:6][cH:7]1.[O:38]=[CH:39][N:40]([CH3:41])[CH3:42].[OH:21][C:22](=[O:23])[c:24]1[cH:25][cH:26][c:27]([OH:28])[cH:29][cH:30]1>>[NH:1]([c:2]1[cH:3][cH:4][c:5]([N:8]2[CH2:9][CH2:10][N:11]([C:14](=[O:15])[O:16][C:17]([CH3:18])([CH3:19])[CH3:20])[CH2:12][CH2:13]2)[cH:6][cH:7]1)[C:22](=[O:21])[c:24]1[cH:25][cH:26][c:27]([OH:28])[cH:29][cH:30]1