2,6-Bis(trifluoromethyl)pyridine-4-carboxylic acid → N-[4-(4,5-Difluoro-2-methoxy-phenyl)-pyridin-3-yl]-N-(2,2,2-trifluoro-ethyl)-2,6-bis-trifluoromethyl-isonicotinamide

HRID 878152Notes

Reaction equation

HRID 878152 reaction equation
[F:1][C:2]1[C:7]([F:8])=[CH:6][C:5]([C:9]2[CH:14]=[CH:13][N:12]=[CH:11][C:10]=2[NH:15][CH2:16][C:17]([F:20])([F:19])[F:18])=[C:4]([O:21][CH3:22])[CH:3]=1.[F:23][C:24]([F:39])([F:38])[C:25]1[CH:26]=[C:27]([CH:31]=[C:32]([C:34]([F:37])([F:36])[F:35])[N:33]=1)[C:28](O)=[O:29]>>[F:1][C:2]1[C:7]([F:8])=[CH:6][C:5]([C:9]2[CH:14]=[CH:13][N:12]=[CH:11][C:10]=2[N:15]([CH2:16][C:17]([F:18])([F:19])[F:20])[C:28](=[O:29])[C:27]2[CH:31]=[C:32]([C:34]([F:35])([F:36])[F:37])[N:33]=[C:25]([C:24]([F:39])([F:23])[F:38])[CH:26]=2)=[C:4]([O:21][CH3:22])[CH:3]=1

Participants

3

Reactant 2

HCID 306891352,6-Bis(trifluoromethyl)pyridine-4-carboxylic acidHCID 70663602[4-(4,5-Difluoro-2-methoxy-phenyl)-pyridin-3-yl]-(2,2,2-trifluoro-ethyl)-amine

Product 1

HCID 86670758N-[4-(4,5-Difluoro-2-methoxy-phenyl)-pyridin-3-yl]-N-(2,2,2-trifluoro-ethyl)-2,6-bis-trifluoromethyl-isonicotinamide

Procedure

The title compound was prepared in analogy to example 90, from [4-(4,5-difluoro-2-methoxy-phenyl)-pyridin-3-yl]-(2,2,2-trifluoro-ethyl)-amine (example 132, intermediate a) and 2,6-bis(trifluoromethyl)isonicotinic acid (Key Organics Ltd.) after a reaction time of 96 hours. The compound was purified by silica gel chromatography on a 20 g column using a MPLC system eluting with a gradient of n-heptane:EtOAc (100:0 to 50:50). Light brown solid (31%). MS (ESI): m/z=560.08 [M+H]+.

Workup

  1. customThe compound was purified by silica gel chromatography on a 20 g column
  2. washeluting with a gradient of n-heptane:EtOAc (100:0 to 50:50)

Sources & evidence

ORD record
ord-452c479e863c45f1bc47e600363d6e76
Source dataset
uspto-grants-2015_03
Patent number
US08987307B2

Reaction notes

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