Methyl iodide → 6-[2-(4-bromo-2-chloro-phenyl)-propionyl]-4-methyl-4H-benzo[1,4]oxazin-3-one
Reaction equation
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]([C:11]2[CH:12]=[CH:13][C:14]3[O:19][CH2:18][C:17](=[O:20])[N:16]([CH3:21])[C:15]=3[CH:22]=2)=[O:10])=[C:4]([Cl:23])[CH:3]=1.[H-].[Na+].[CH3:26]I>>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([CH3:26])[C:9]([C:11]2[CH:12]=[CH:13][C:14]3[O:19][CH2:18][C:17](=[O:20])[N:16]([CH3:21])[C:15]=3[CH:22]=2)=[O:10])=[C:4]([Cl:23])[CH:3]=1Participants
4
Procedure
In analogy to Example 1, step 2, 6-[2-(4-bromo-2-chloro-phenyl)-acetyl]-4-methyl-4H-benzo[1,4]oxazin-3-one was reacted with sodium hydride and methyl iodide to give the title compound as an off-white solid. MS (m/e, ISP neg. ion)=406.1 [M−H+].
Sources & evidence
- ORD record
- ord-5cdb1920fa1c47dfb36d38d05869d25d
- Source dataset
- uspto-grants-2013_05
- Patent number
- US08450313B2
Reaction notes
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