Boc-L-3-Bromophenylalanine → 3-Bromo-L-phenylalanine
Reaktionsgleichung
[Br:1][C:2]1[CH:3]=[C:4]([CH2:8][C@H:9]([NH:13]C(OC(C)(C)C)=O)[C:10]([OH:12])=[O:11])[CH:5]=[CH:6][CH:7]=1>Cl.O1CCOCC1>[Br:1][C:2]1[CH:3]=[C:4]([CH:5]=[CH:6][CH:7]=1)[CH2:8][C@@H:9]([C:10]([OH:12])=[O:11])[NH2:13]Komponenten
4
Edukt 1
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 2
Versuchsvorschrift
(2S)-3-(3-Bromophenyl)-2-(tert-butoxycarbonylamino)propionic acid (5.0 g, 14.5 mmol) was suspended in 4M HCl in 1,4-dioxane (75 mL) and stirred for 16 h at r.t. The white precipitate was filtered and washed with Et2O to give the title compound as a white solid (3.2 g, 89%) that required no farther purification. δH(CDCl3) 8.32 (2H, s), 7.50-7.48 (2H, m), 7.34-7.29 (2H, m), 4.22 (1H, t, J 6.2 Hz), 3.13-3.11 (2H, m). An exchangeable proton was not observed.