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

HRID 878166Notes

Reaction equation

HRID 878166 reaction equation
[F:1][CH:2]([F:18])[CH2:3][NH:4][C:5]1[CH:6]=[N:7][CH:8]=[CH:9][C:10]=1[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[F:17].[F:19][C:20]([F:35])([F:34])[C:21]1[CH:22]=[C:23]([CH:27]=[C:28]([C:30]([F:33])([F:32])[F:31])[N:29]=1)[C:24](O)=[O:25]>>[F:18][CH:2]([F:1])[CH2:3][N:4]([C:5]1[CH:6]=[N:7][CH:8]=[CH:9][C:10]=1[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[F:17])[C:24](=[O:25])[C:23]1[CH:27]=[C:28]([C:30]([F:31])([F:32])[F:33])[N:29]=[C:21]([C:20]([F:35])([F:19])[F:34])[CH:22]=1

Participants

3

Reactant 2

HCID 306891352,6-Bis(trifluoromethyl)pyridine-4-carboxylic acidHCID 86670767HCID 86670767, compound

Product 1

HCID 60198029N-(2,2-Difluoro-ethyl)-N-[4-(2-fluoro-phenyl)-pyridin-3-yl]-2,6-bis-trifluoromethyl-isonicotinamide

Procedure

The title compound was prepared in analogy to example 90, from (2,2-difluoro-ethyl)-[4-(2-fluoro-phenyl)-pyridin-3-yl]-amine and 2,6-bis(trifluoromethyl)isonicotinic acid (Key Organics Ltd.) after a reaction time of 68 hours. The compound was purified by silica gel chromatography on a 10 g column using a MPLC system eluting with a gradient of n-heptane:EtOAc (100:0 to 50:50). Light brown solid (44%). MS (ESI): m/z=494.09 [M+H]+.

Workup

  1. customThe compound was purified by silica gel chromatography on a 10 g column
  2. washeluting with a gradient of n-heptane:EtOAc (100:0 to 50:50)

Sources & evidence

ORD record
ord-4240a0ef89bf484c9d05b12f41b63d14
Source dataset
uspto-grants-2015_03
Patent number
US08987307B2

Reaction notes

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