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Dimethylformamide → 4-(5-Methyl-1-oxo-1,2-dihydro-isoquinolin-3-yl)-benzonitrile

HRID 717091
Notes
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Reaction equation

HRID 717091 reaction equation
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[NH:9][C:10](=[O:19])[C:11]3[C:16]([CH:17]=2)=[C:15]([CH3:18])[CH:14]=[CH:13][CH:12]=3)=[CH:4][CH:3]=1.[CH3:20][N:21](C=O)C>[C-]#N.[Zn+2].[C-]#N.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>[CH3:18][C:15]1[CH:14]=[CH:13][CH:12]=[C:11]2[C:16]=1[CH:17]=[C:8]([C:5]1[CH:6]=[CH:7][C:2]([C:20]#[N:21])=[CH:3][CH:4]=1)[NH:9][C:10]2=[O:19]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 6228DimethylformamideHCID 762845543-(4-Bromophenyl)-5-methyl-1(2h)-isoquinolinone

Product 1

HCID 898129544-(5-Methyl-1-oxo-1,2-dihydro-isoquinolin-3-yl)-benzonitrileYield 79%

Reagents, catalysts & solvents 2

HCID 11186Zinc cyanide (Zn(CN)2)Catalyst
HCID 178418397
HCID 178418397, compound
Catalyst

Procedure

3-(4-Bromo-phenyl)-5-methyl-2H-isoquinolin-1-one (200 mg, 0.64 mmol), zinc cyanide (90 mg, 0.76 mmol) and tetrakis(triphenylphosphine)palladium(0) (74 mg, 0.064 mmol) were stirred in DMF (2.1 mL) and degassed with N2. The reaction mixtures were irradiated using a microwave (300 W, 180° C., 30 min). The reaction mixtures were combined and the resulting precipitate was filtered, washed with DMF and water and dried to give 4-(5-methyl-1-oxo-1,2-dihydro-isoquinolin-3-yl)-benzonitrile as a yellowish solid (718 mg, 79%) which was used in the next step without further purification.

Workup

  1. customdegassed with N2
  2. customThe reaction mixtures
  3. customwere irradiated
  4. customa microwave (300 W, 180° C., 30 min)
  5. customThe reaction mixtures
  6. filtrationthe resulting precipitate was filtered
  7. washwashed with DMF and water
  8. customdried

Sources & evidence

ORD record
ord-e1c5511e683f41ea9684beca2c6ba8ea
Source dataset
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09193689B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes