5-(Difluoromethoxy)picolinic acid → 5-Difluoromethoxy-pyridine-2-carboxylic acid [3-((R)-2-amino-5,5-difluoro-4,6,6-trimethyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

HRID 1941810Notes

Reaction equation

HRID 1941810 reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([F:20])=[C:6]([C@:8]2([CH3:19])[C:13]([F:15])([F:14])[C:12]([CH3:17])([CH3:16])[O:11][C:10]([NH2:18])=[N:9]2)[CH:7]=1.[F:21][CH:22]([F:33])[O:23][C:24]1[CH:25]=[CH:26][C:27]([C:30](O)=[O:31])=[N:28][CH:29]=1>>[NH2:18][C:10]1[O:11][C:12]([CH3:16])([CH3:17])[C:13]([F:14])([F:15])[C@:8]([C:6]2[CH:7]=[C:2]([NH:1][C:30]([C:27]3[CH:26]=[CH:25][C:24]([O:23][CH:22]([F:33])[F:21])=[CH:29][N:28]=3)=[O:31])[CH:3]=[CH:4][C:5]=2[F:20])([CH3:19])[N:9]=1

Participants

3

Reactant 2

HCID 574758715-(Difluoromethoxy)picolinic acidHCID 58304251(R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4,6,6-trimethyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine

Product 1

HCID 532405025-Difluoromethoxy-pyridine-2-carboxylic acid [3-((R)-2-amino-5,5-difluoro-4,6,6-trimethyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

Procedure

The condensation of (R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4,6,6-trimethyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate XI-2) and 5-difluoromethoxy-pyridine-2-carboxylic acid (CAS1174323-34-2, WO2009091016) following procedure I yielded the title compound as a white foam. MS (ISP): m/z=459.2 [M+H]+.

Sources & evidence

ORD record
ord-19e8e5083f9b4453960f3624d2d1a46e
Source dataset
uspto-grants-2013_03
Patent number
US08389513B2

Reaction notes

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