2-Bromo-5-methylpyrazine → (S)-6-(2-hydroxy-2-methylpropyl)-3-((S)-1-(4-(5-methylpyrazin-2-yl)phenyl)ethyl)-6-phenyl-1,3-oxazinan-2-one

HRID 2037764Notes

Reaction equation

[OH:1][C:2]([CH3:35])([CH3:34])[CH2:3][C@@:4]1([C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[O:9][C:8](=[O:10])[N:7]([C@H:11]([C:13]2[CH:18]=[CH:17][C:16](B3OC(C)(C)C(C)(C)O3)=[CH:15][CH:14]=2)[CH3:12])[CH2:6][CH2:5]1.Br[C:37]1[CH:42]=[N:41][C:40]([CH3:43])=[CH:39][N:38]=1>>[OH:1][C:2]([CH3:34])([CH3:35])[CH2:3][C@@:4]1([C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[O:9][C:8](=[O:10])[N:7]([C@H:11]([C:13]2[CH:14]=[CH:15][C:16]([C:37]3[CH:42]=[N:41][C:40]([CH3:43])=[CH:39][N:38]=3)=[CH:17][CH:18]=2)[CH3:12])[CH2:6][CH2:5]1

Participants

Reactant 2

HCID 224193462-Bromo-5-methylpyrazine

HCID 59532385(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

Product 1

HCID 58109236(S)-6-(2-hydroxy-2-methylpropyl)-3-((S)-1-(4-(5-methylpyrazin-2-yl)phenyl)ethyl)-6-phenyl-1,3-oxazinan-2-one

Procedure

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 2-bromo-5-methylpyrazine following a procedure analogous to that described in Example 459 Step 4. LC-MS Method 2 tR=1.257 min, m/z=388; 1H NMR (CDCl3) 1.07 (s, 3H), 1.12 (s, 3H), 1.49 (d, 3H), 2.01-2.13 (m, 4H), 2.28-2.39 (m, 1H), 2.57 (s, 3H), 2.80 (m, 1H), 5.68 (m, 1H), 7.02 (d, 2H), 7.21-7.33 (m, 5H), 7.67 (d, 2H), 8.41 (s, 1H), 8.76 (s, 1H).

Sources & evidence

ORD record: ord-e73e6d7ed0014a0a972265ffc2ddceab
Source dataset: uspto-grants-2013_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08575156B2

Reaction notes

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