L-Hydroxyproline → HCID 21906752, compound

Participants

Reaction Steps

The title compound was prepared according to the procedures of Example 38E, substituting compound 76 with compound 118 (0.033 g, 0.0779 mmol) and 3-hydroxypyrrolidine with trans-4-hydroxy-L-proline. A yellow solid 131 was obtained (0.017 g, 33%). 1H-NMR (CDCl3, 400 MHz) δ 2.42-2.51 (m, 1H), 3.66-3.72 (m, 1H), 3.85-3.91 (m, 1H), 4.00-4.06 (m, 1H), 4.28-4.34 (m, 4H), 4.64-4.69 (m, 1H), 4.85-4.95 (m, 1H), 6.81 (s, 1H), 6.92-6.96 (m, 2H), 7.03 (dd, J=1.8 Hz, 8.4 Hz, 1H), 7.06-7.10 (m, 2H), 7.50 (d, J=8.4 Hz, 1H), 7.79 (s, 1H), 7.92-7.96 (m, 1H); MS (APCI) m/z 519 (M+H)+.

Provenance & Evidence