3-Chloro-6-methylpyridazine → (R)-6-(4-fluorophenyl)-6-(3-hydroxypropyl)-3-((S)-1-(4-(6-methylpyridazin-3-yl)phenyl)ethyl)-1,3-oxazinan-2-one
Reaction equation
Br[C:2]1[CH:7]=[CH:6][C:5]([C@@H:8]([N:10]2[CH2:15][CH2:14][C@@:13]([C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=3)([CH2:16][CH2:17][CH2:18][OH:19])[O:12][C:11]2=[O:27])[CH3:9])=[CH:4][CH:3]=1.Cl[C:29]1[N:30]=[N:31][C:32]([CH3:35])=[CH:33][CH:34]=1>>[F:26][C:23]1[CH:24]=[CH:25][C:20]([C@:13]2([CH2:16][CH2:17][CH2:18][OH:19])[O:12][C:11](=[O:27])[N:10]([C@H:8]([C:5]3[CH:6]=[CH:7][C:2]([C:29]4[N:30]=[N:31][C:32]([CH3:35])=[CH:33][CH:34]=4)=[CH:3][CH:4]=3)[CH3:9])[CH2:15][CH2:14]2)=[CH:21][CH:22]=1Participants
3
Procedure
The title compound was prepared from (R)-3-((S)-1-(4-bromophenyl)ethyl)-6-(4-fluorophenyl)-6-(3-hydroxypropyl)-1,3-oxazinan-2-one following procedures analogous to those described in Example 313 Steps 3 and 4 using 3-chloro-6-methylpyridazine in Step 4. LC-MS Method 2 tR=1.09, m/z=450; 1H NMR (CDCl3) 1.26-1.39 (m, 1H), 1.50 (d, 3H), 1.59-1.70 (m, 1H), 1.81-1.99 (m, 3H), 2.09-2.20 (m, 2H), 2.22-2.34 (m, 1H), 2.71 (s, 3H), 2.90 (m, 1H), 3.50 (t, 2H), 5.67 (m, 1H), 6.90-7.08 (m, 4H), 7.19 (m, 1H), 7.21 (m, 1H), 7.33 (d, 1H), 7.62 (d, 1H), 7.77 (d, 2H).
Sources & evidence
- ORD record
- ord-1d6283a6553446e8b4f7a8c5ccb70790
- Source dataset
- uspto-grants-2013_11
- Patent number
- US08575156B2
Reaction notes
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