5-Difluoromethympyrazine-2-carboxylic acid → 5-Difluoromethyl-pyrazine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

HRID 517042Notes

Reaction equation

HRID 517042 reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([F:17])=[C:6]([C@:8]2([CH3:16])[C@@H:13]([F:14])[CH2:12][O:11][C:10]([NH2:15])=[N:9]2)[CH:7]=1.[F:18][CH:19]([F:29])[C:20]1[N:21]=[CH:22][C:23]([C:26](O)=[O:27])=[N:24][CH:25]=1>>[NH2:15][C:10]1[O:11][CH2:12][C@H:13]([F:14])[C@:8]([C:6]2[CH:7]=[C:2]([NH:1][C:26]([C:23]3[CH:22]=[N:21][C:20]([CH:19]([F:29])[F:18])=[CH:25][N:24]=3)=[O:27])[CH:3]=[CH:4][C:5]=2[F:17])([CH3:16])[N:9]=1

Participants

3

Reactant 2

HCID 574685755-Difluoromethympyrazine-2-carboxylic acidHCID 86672004(4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine

Product 1

HCID 665587715-Difluoromethyl-pyrazine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

Procedure

The condensation of (4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate A8.2) and 5-difluoromethyl-pyrazine-2-carboxylic acid (CAS 1174321-06-2, US2009209757) following procedure I yielded the title compound as a light yellow solid. MS (ISP): m/z=398.2 [M+H]+.

Sources & evidence

ORD record
ord-2b3d075bc0094d9688a77ef54f3b29a4
Source dataset
uspto-grants-2015_08
Patent number
US09115098B2

Reaction notes

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