[OH:1][CH2:2][CH2:3][NH:4][C:5](=[O:11])[O:6][C:7]([CH3:10])([CH3:9])[CH3:8].O[N:13]1[C:17](=[O:18])[C:16]2=[CH:19][CH:20]=[CH:21][CH:22]=[C:15]2[C:14]1=[O:23]>>[O:23]=[C:14]1[C:15]2[C:16](=[CH:19][CH:20]=[CH:21][CH:22]=2)[C:17](=[O:18])[N:13]1[O:1][CH2:2][CH2:3][NH:4][C:5](=[O:11])[O:6][C:7]([CH3:8])([CH3:10])[CH3:9]tert-Butyl 2-(1,3-dioxoisoindolin-2-yloxy)ethylcarbamate 2E was prepared with quantitative yield from tert-butyl 2-hydroxyethylcarbamate and N-hydroxyphthalimide by a procedure analogous to Example 2A, Step 1. ESI-MS: m/z 329.3 (M+Na)+.
Wird geladen…