(S)-6-(2-hydroxy-2-methylpropyl)-6-phenyl-3-((S)-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)-1,3-oxazinan-2-one → (S)-6-(2-Hydroxy-2-methyl-propyl)-3-{(S)-1-[4-(1-oxetan-3-yl-6-oxo-1,6-dihydro-pyridin-3-yl)-phenyl]-ethyl}-6-phenyl-[1,3]oxazinan-2-one

Participants

Reaction Steps

The title compound was prepared from (S)-6-(2-hydroxy-2-methylpropyl)-6-phenyl-3-{(S)-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-ethyl}-1,3-oxazinan-2-one and 5-bromo-1-oxetan-3-yl-1H-pyridin-2-one following a procedure analogous to that described in Example 35. LC (method 4): tR=0.97 min; Mass spectrum (ESI+): m/z=503 [M+H]+; 1H NMR (CDCl3) δ 1.05 (s, 3H), 1.12 (s, 3H), 1.48 (d, 3H), 2.10-2.22 (m, 5H), 2.34 (m, 1H), 2.83 (m, 1H), 4.72 (m, 2H), 5.10 (m, 2H), 5.63 (m, 1H), 5.83 (m, 1H), 6.57 (d, 1H), 6.97 (d, 2H), 7.12 (d, 2H), 7.20-7.32 (m, 5H), 7.49 (d, 1H), 7.65 (s, 1H).

Provenance & Evidence