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Bromide ion → N-phenyl-1H-pyrrolo[2,3-b]pyridin-6-amine

HRID 1098507
Notes
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Reaction equation

HRID 1098507 reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Br[C:9]1[N:14]=[C:13]2[N:15]([Si](C(C)C)(C(C)C)C(C)C)[CH:16]=[CH:17][C:12]2=[CH:11][CH:10]=1.[Br-].C1(C2C=CC=CC=2)C=CC=CC=1P(C(C)(C)C)C(C)(C)C.CC([O-])(C)C.[Na+].C(O)(C(F)(F)F)=O>C1(C)C=CC=CC=1.CC([O-])=O.CC([O-])=O.[Pd+2]>[C:2]1([NH:1][C:9]2[N:14]=[C:13]3[NH:15][CH:16]=[CH:17][C:12]3=[CH:11][CH:10]=2)[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

9

Reactant 6

HCID 259Bromide ionHCID 6115AnilineHCID 6422Trifluoroacetic acidHCID 27342152-(Di-tert-butylphosphino)biphenylHCID 23676156Sodium t-butoxideHCID 580876901H-Pyrrolo[2,3-b]pyridine, 6-bromo-1-[tris(1-methylethyl)silyl]-

Product 1

HCID 58087605
N-phenyl-1H-pyrrolo[2,3-b]pyridin-6-amine

Reagents, catalysts & solvents 2

HCID 167845palladium(II) acetateCatalystHCID 1140TolueneSolvent2×

Procedure

A 1 dram vial was charged with aniline (2-3 equiv), and 0.200 mL of the 588 stock solution of bromide in toluene was added. A catalyst stock solution containing 3 mmol Pd(OAc)2, 3 mmol biphenyl-2-yl-di-tert-butyl-phosphane and 15 mL of toluene was prepared and 0.050 mL of the catalyst solution was added to the reaction. An excess of NaOtBu was added as a solid to the reaction. The vial was placed in an 80° C. oven for 60 minutes (shaken several times over the hour). After cooling, the reaction was neutralized with 0.100 mL of TFA. After 30 minutes the sample was evaporated and resolvated in 0.300 mL of DMSO. The desired compound was isolated by preparative HPLC/MS. MS (ESI) [M+H+]+=210.4.

Workup

  1. additionwas added
  2. customwas prepared
  3. customwas placed in an 80° C.
  4. customfor 60 minutes
  5. temperatureAfter cooling
  6. customAfter 30 minutes the sample was evaporated

Sources & evidence

ORD record
ord-cfe99caa878a468388ab5b9936b2a756
Source dataset
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08143271B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes