3-Cyanophenylboronic acid → 2'-Fluoro-5'-[8-fluoro-7-(1-hydroxy-1-methylethyl)imidazo[1,2-alpha]pyridin-3-yl]biphenyl-3-carbonitrile

HRID 1180271Notes

Reaction equation

HRID 1180271 reaction equation
Cl[C:2]1[CH:3]=[C:4]([C:9]2[N:13]3[CH:14]=[CH:15][C:16]([C:19]([OH:22])([CH3:21])[CH3:20])=[C:17]([F:18])[C:12]3=[N:11][CH:10]=2)[CH:5]=[CH:6][C:7]=1[F:8].[C:23]([C:25]1[CH:26]=[C:27](B(O)O)[CH:28]=[CH:29][CH:30]=1)#[N:24]>>[F:8][C:7]1[CH:6]=[CH:5][C:4]([C:9]2[N:13]3[CH:14]=[CH:15][C:16]([C:19]([OH:22])([CH3:21])[CH3:20])=[C:17]([F:18])[C:12]3=[N:11][CH:10]=2)=[CH:3][C:2]=1[C:29]1[CH:28]=[CH:27][CH:26]=[C:25]([C:23]#[N:24])[CH:30]=1

Participants

3

Reactant 2

HCID 27343253-Cyanophenylboronic acidHCID 674866802-[3-(3-Chloro-4-fluorophenyl)-8-fluoroimidazo[1,2-alpha]pyridin-7-yl]propan-2-ol

Product 1

HCID 100689122'-Fluoro-5'-[8-fluoro-7-(1-hydroxy-1-methylethyl)imidazo[1,2-alpha]pyridin-3-yl]biphenyl-3-carbonitrileYield 80%

Procedure

2-[3-(3-Chloro-4-fluorophenyl)-8-fluoroimidazo[1,2-α]pyridin-7-yl]-propan-2-ol (100 mg, 0.36 mmol) and 3-cyanophenylboronic acid (79 mg, 0.54 mmol) were coupled using the procedure in Example 30 to afford 2′-fluoro-5′-[8-fluoro-7-(1-hydroxy-1-methylethyl)imidazo[1,2-α]pyridin-3-yl]biphenyl-3-carbonitrile (112 mg, 80%) as a white solid: δH (360 MHz, CDCl3) 1.74 (6H, s), 2.02 (1H, s), 7.20 (1H, dd, J 7 and 7), 7.37 (1H, dd, J 9 and 9), 7.54-7.63 (3H, m), 7.70-7.73 (2H, m), 7.82 (1H, d, J 9), 7.89 (1H, s), 8.04 (1H, d, J 7); m/z (ES+) 390 (100%, [MH]+).

Sources & evidence

ORD record
ord-11a7619deaa34dc29310ddcc0990ce90
Source dataset
uspto-grants-2007_10
Patent number
US07279580B2

Reaction notes

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