Hydroxyamine hydrochloride → 3-(4-Bromo-phenyl)-1-(5-chloro-2-fluoro-pyridin-4-yl)-3-o-tolyl-propan-1-one oxime
Reaction equation
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=2[CH3:26])[CH2:9][C:10]([C:12]2[C:17]([Cl:18])=[CH:16][N:15]=[C:14]([F:19])[CH:13]=2)=O)=[CH:4][CH:3]=1.Cl.[NH2:28][OH:29].C([O-])(O)=O.[Na+]>>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=2[CH3:26])[CH2:9][C:10]([C:12]2[C:17]([Cl:18])=[CH:16][N:15]=[C:14]([F:19])[CH:13]=2)=[N:28][OH:29])=[CH:4][CH:3]=1Participants
4
Procedure
In analogy to example 74, step 7, from 3-(4-bromo-phenyl)-1-(5-chloro-2-fluoro-pyridin-4-yl)-3-o-tolyl-propan-1-one and hydroxylamine hydrochloride in the presence of NaHCO3 was prepared the title compound as a mixture of E and Z isomers (1.6:1) as a white foam, MS (ESI−): m/z=445.0124 ([M−H]−, 1Br).
Sources & evidence
- ORD record
- ord-a2c0b639d147499daa84636a0debc409
- Source dataset
- uspto-grants-2014_07
- Patent number
- US08765730B2
Reaction notes
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