3,5-Dichloropyrazine-2-carboxylic acid → HCID 53240913, compound
Reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([F:18])=[C:6]([C@:8]2([CH3:17])[C:13]([F:15])([F:14])[CH2:12][O:11][C:10]([NH2:16])=[N:9]2)[CH:7]=1.[Cl:19][C:20]1[C:21]([C:27](O)=[O:28])=[N:22][CH:23]=[C:24]([Cl:26])[N:25]=1>>[NH2:16][C:10]1[O:11][CH2:12][C:13]([F:14])([F:15])[C@:8]([C:6]2[CH:7]=[C:2]([NH:1][C:27]([C:21]3[C:20]([Cl:19])=[N:25][C:24]([Cl:26])=[CH:23][N:22]=3)=[O:28])[CH:3]=[CH:4][C:5]=2[F:18])([CH3:17])[N:9]=1Participants
3
Procedure
The condensation of (R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate XI-1) and 3,5-dichloro-pyrazine-2-carboxylic acid following procedure I yielded the title compound as a white solid. MS (ISP): m/z=434.1 [M+H]+, 436.1 [M+2+H]+.
Sources & evidence
- ORD record
- ord-7d985f742d574680b569853cb642ceb0
- Source dataset
- uspto-grants-2013_03
- Patent number
- US08389513B2
Reaction notes
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