N-(9-Fluorenylmethoxycarbonyloxy)succinimide → (S)-2-[1-(9-fluorenylmethyloxycarbonyl)-6-oxo-1,7-diazaspiro[4.4]non-7-yl]propionic acid

Reaction equation

C(=O)(O)[O-].[Na+].[O:6]=[C:7]1[N:15]([C@@H:16]([CH3:20])[C:17]([OH:19])=[O:18])[CH2:14][CH2:13][C:8]21[NH:12][CH2:11][CH2:10][CH2:9]2.[C:21](=O)([O:37]N1C(=O)CCC1=O)[O:22][CH2:23][CH:24]1[C:36]2[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=2[C:30]2[C:25]1=[CH:26][CH:27]=[CH:28][CH:29]=2>O.CC(C)=O>[CH:35]1[C:36]2[CH:24]([CH2:23][O:22][C:21]([N:12]3[C:8]4([CH2:13][CH2:14][N:15]([C@@H:16]([CH3:20])[C:17]([OH:19])=[O:18])[C:7]4=[O:6])[CH2:9][CH2:10][CH2:11]3)=[O:37])[C:25]3[C:30](=[CH:29][CH:28]=[CH:27][CH:26]=3)[C:31]=2[CH:32]=[CH:33][CH:34]=1