3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acid → HCID 58777352, compound
Reaction equation
[CH2:1]([O:8][C:9]1[C:18](=[O:19])[N:17]2[C:12]([C:13]([CH3:21])([CH3:20])[O:14][CH2:15][CH2:16]2)=[N:11][C:10]=1[C:22](O)=[O:23])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH2:25][CH2:26][C:27]1[CH:32]=[CH:31][C:30]([F:33])=[CH:29][C:28]=1[N:34]1[C@H:38]([CH2:39][O:40][Si:41]([C:44]([CH3:47])([CH3:46])[CH3:45])([CH3:43])[CH3:42])[CH2:37][CH2:36][C:35]1=[O:48]>>[Si:41]([O:40][CH2:39][C@H:38]1[CH2:37][CH2:36][C:35](=[O:48])[N:34]1[C:28]1[CH:29]=[C:30]([F:33])[CH:31]=[CH:32][C:27]=1[CH2:26][NH:25][C:22]([C:10]1[N:11]=[C:12]2[N:17]([C:18](=[O:19])[C:9]=1[O:8][CH2:1][C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1)[CH2:16][CH2:15][O:14][C:13]2([CH3:20])[CH3:21])=[O:23])([C:44]([CH3:47])([CH3:46])[CH3:45])([CH3:43])[CH3:42]Participants
3
Procedure
The title compound can be prepared from intermediate 27, 3-(benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido-[2,1-c][1,4]oxazine-2-carboxylic acid and (S)-1-(2-(aminomethyl)-5-fluorophenyl)-5-((tert-butyldimethylsilyloxy)methyl)pyrrolidin-2-one, derived from reduction of intermediate 122, (R)-2-(2-((tert-butyldimethylsilyloxy)methyl)-5-oxopyrrolidin-1-yl)-4-fluorobenzonitrile 1HNMR 400 MHz (DMSO) δ ppm: 8.82 (1H, broad s), 7.47 (2H, m), 7.35 (4H, m), 7.00 (1H, broad s), 5.09 (2H, s), 4.60–4.10 (3H, m), 4.02 (3H, m), 3.88 (2H, m), 3.53 (2H, broad s), 2.42–2.35 (2H, m), 1.94 (1H, m), 1.56 (3H, s), 1.55 (3H, s), 0.82 (9H, broad s), −0.01 (6H, s). LCMS (M+H)+ m/z 665.
Sources & evidence
- ORD record
- ord-ae8212e8714c4df2815c2a658a200187
- Source dataset
- uspto-grants-2007_01
- Patent number
- US07157447B2
Reaction notes
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