Phenylboronic Acid → 2-Bromo-6-phenylpyrazine

HRID 1624454Notes

Reaction equation

HRID 1624454 reaction equation
Br[C:2]1[CH:7]=[N:6][CH:5]=[C:4]([Br:8])[N:3]=1.[C:9]1(B(O)O)[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1>Cl[Pd]Cl.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Br:8][C:4]1[CH:5]=[N:6][CH:7]=[C:2]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[N:3]=1

Participants

5

Reactant 2

HCID 66827Phenylboronic AcidHCID 203617002,6-Dibromopyrazine

Product 1

HCID 457883272-Bromo-6-phenylpyrazine

Reagents, catalysts & solvents 2

HCID 178418228Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 178418397HCID 178418397, compoundCatalyst

Procedure

Prepared according to the procedure described in Example 1, Step 10, using 2,6-dibromo-pyrazine and phenylboronic acid. Additionally, (1,1′-bis(diphenylphosphino)ferrocene)-dichloropalladium(II) was used as the catalyst in place of tetrakis(triphenylphosphine)palladium(0).

Workup

  1. customPrepared

Sources & evidence

ORD record
ord-59beaf11ed4b4fc79f480036f064fb4d
Source dataset
uspto-grants-2014_07
Patent number
US08778983B2

Reaction notes

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