6-Hydroxypyridine-3-boronic acid → 3-((R)-6-(4-fluorophenyl)-2-oxo-3-((S)-1-(4-(6-oxo-1,6-dihydropyridin-3-yl)phenyl)ethyl)-1,3-oxazinan-6-yl)-2,2-dimethylpropanenitrile

Participants

Reaction Steps

The title compound was prepared from 3-((R)-3-((S)-1-(4-bromophenyl)ethyl)-6-(4-fluorophenyl)-2-oxo-1,3-oxazinan-6-yl)-2,2-dimethylpropanenitrile and 2-oxo-1,2-dihydropyridin-5-ylboronic acid following a procedure analogous to that described in Example 4. LC-MS Method 1 tR=1.37 min, m/z=474(M+1); 1H NMR (CDCl3) 7.97, (dd, 1H), 7.73 (s, 1H), 7.33 (m, 2H), 7.20 (d, 2H), 7.17 (t, 2H), 6.98 (m, 3H), 5.67 (q, 1H), 3.00 (dt, 1H), 2.49 (m, 2H), 2.30 (m, 1H), 2.13 (s, 2H), 1.55 (d, 3H), 1.45 (s, 3H), 1.34 (s, 3H).

Provenance & Evidence