反应详情

A mixture of 2-(4-amino-phenyl)-propane-1,3-diol (1.6 g, 9.6 mmol, J. Med. Chem., 40(25), 4030-4052, (1997)), di-tert-butyl dicarbonate (BOC)2O (2.30 g, 10.5 mmol), THF (200 mL), water (100 mL) and Na2CO3 (1.12 g, 10.5 mmol) was stirred at RT overnight. The reaction mixture was diluted with EtOAc (200 mL) and satd brine (200 mL). The organic layer was separated and the aq layer was extracted with EtOAc (2×100 mL). The organic layers were combined, dried (Na2SO4) and concentrated. The residue obtained was purified on silica (20-100% EtOAc-hexane) to obtain the title compound (1.2 g, 47%): Mass spectrum (ESI, m/z): Calcd. for C14H21NO4, 290.3 (M+Na). found 290.0.

1. customThe organic layer was separated
2. extractionthe aq layer was extracted with EtOAc (2×100 mL)
3. dry with materialdried (Na2SO4)
4. concentrationconcentrated
5. customThe residue obtained
6. customwas purified on silica (20-100% EtOAc-hexane)