tert-Butyl {4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}acetate → HCID 117622764, compound
Reaction equation
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:25][CH:26]([F:28])[F:27])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH2:16][C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[C:10](=[O:24])[CH:9]=2)[CH:7]=1.FC(F)(F)S(O[CH2:35][C@H:36]1[CH2:41][CH2:40][CH2:39][CH2:38][O:37]1)(=O)=O>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:25][CH:26]([F:28])[F:27])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH:16]([CH2:35][C@H:36]3[CH2:41][CH2:40][CH2:39][CH2:38][O:37]3)[C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[C:10](=[O:24])[CH:9]=2)[CH:7]=1Participants
3
Procedure
333 mg (0.80 mmol) of tert-butyl {4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}acetate in the presence of 0.96 ml (0.96 mmol, 1.2 eq.) of bis(trimethylsilyl)lithium amide (1M in THF) and 426 mg (purity 70%, 1.20 mmol, 1.5 eq.) of (2R)-tetrahydro-2H-pyran-2-ylmethyl trifluoromethanesulphonate were reacted according to General Method 7B. Yield: 85 mg (purity 94%, 19% of theory)
Sources & evidence
- ORD record
- ord-387ff7a3b0c14f86847505ac29e9750d
- Source dataset
- uspto-grants-2016_09
- Patent number
- US09434690B2
Reaction notes
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