Ammonium formate → 4-(((Tert-butyldiphenylsilyl)oxy)methyl)aniline

참여 물질

반응 단계

To a stirred solution of 13 (5.00 g, 12.77 mmol) in ethanol (100 ml) was added Pd/C (10%, 1.50 g) and ammonium formate (4.60 g) at room temperature. After 1.5 h the catalyst was removed by filtration, the filtrate concentrated to dryness under vacuum and the residue partitioned between EtOAc:H2O. The organic layer was dried (MgSO4) and concentrated under vacuum to give 14 as an oil; yield: 4.24 g (92%); vmax /cm-1 (film): 3433, 3378 (NH2), 2931, 2857 (CH2, asym., sym.); 1H-NMR, dH : 1.00 (9H, s, t-Bu), 4.57 (2H, s, CH2), 4.98 (2H, s broad, NH2), 6.52 (2H, d, J=8.25, Harom3+5), 6.96 (2H, d, Harom2+6), 7.42-7.46 (5H, m, Ph), 7.62-7.65 (5H, m, Ph); MS, (EI), (361.56); m/z: 361 (M+, 8), 304 (M - t-Bu, 100), 199 (Ph2SiOH+, 100); C23H27NOSi.

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