tert-butyl (2R)-2-amino-3-(4-hydroxyphenyl)propanoate

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The product from Example 100 (56 mg, 0.1 mmole) and H-D-Tyr-OtBu (47 mg, 0.2 mmole) were processed as in Example 213A-B to provide the title compound. 1H NMR (500 MHz, DMSO-d6) δ11.78-13.25 (br.s, 1 H), 8.95 (s, 1 H), 8.64-9.80 (br.s, 1 H), 8.03 (d, 1 H), 7.26 (m, 6 H), 7.19 (m, 1 H), 7.12 (d, 2 H), 7.00 (m, 5 H), 6.88 (m, 4 H), 6.64 (d, 2 H), 4.35 (m, 1 H), 4.06 (s, 2 H), 4.02 (s, 2 H), 2.94 (d, 1 H), 2.91 (s, 3 H), 2.72 (dd, 1 H), 2.44 (t, 2 H), 2.39 (s, 3 H), 2.06 (m, 2 H), 1.69 (m, 2 H); MS (APCI+) m/z 723 (M+H)+.