2,4-Difluorophenylboronic acid → HCID 59226444, compound

HRID 2046845Notes

Reaction equation

HRID 2046845 reaction equation
Br[C:2]1[N:7]=[C:6]([C:8]([OH:10])=[O:9])[CH:5]=[CH:4][C:3]=1[F:11].[F:12][C:13]1[CH:18]=[C:17]([F:19])[CH:16]=[CH:15][C:14]=1B(O)O>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].C(Cl)Cl>[F:12][C:13]1[CH:18]=[C:17]([F:19])[CH:16]=[CH:15][C:14]=1[C:2]1[N:7]=[C:6]([C:8]([OH:10])=[O:9])[CH:5]=[CH:4][C:3]=1[F:11]

Participants

4

Reactant 2

HCID 27343342,4-Difluorophenylboronic acidHCID 534011946-Bromo-5-fluoropicolinic Acid

Product 1

HCID 59226444HCID 59226444, compoundYield 79%

Reagents, catalysts & solvents 1

HCID 178418807HCID 178418807, compoundCatalyst

Procedure

Method 1 was followed using 6-bromo-5-fluoropicolinic acid (1.0 equiv.) and 2,4-difluorophenylboronic acid (1.3 equiv.) and Pd(dppf)Cl2-DCM (0.05 equiv.) to give 6-(2,4-difluorophenyl)-5-fluoropicolinic acid in 79% yield. LC/MS=254.1 (M+H), Rt=0.75 min.

Sources & evidence

ORD record
ord-2b031ace9b054a78baccfa9f3cff7347
Source dataset
uspto-grants-2013_11
Patent number
US08592455B2

Reaction notes

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