Dimethylformamide → 2-Amino-4-methoxy-3-methylbenzonitrile

HRID 579673Notes

Reaction equation

HRID 579673 reaction equation
[CH2:1]([NH2:8])[CH2:2][CH2:3][CH2:4][CH2:5][CH:6]=[CH2:7].[C:9]([O-:12])([O-])=O.[K+].[K+].CI.[CH3:17][N:18](C=O)C>O>[NH2:8][C:1]1[C:6]([CH3:7])=[C:5]([O:12][CH3:9])[CH:4]=[CH:3][C:2]=1[C:17]#[N:18]

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 12878168Hept-6-en-1-amine

Product 1

HCID 552964222-Amino-4-methoxy-3-methylbenzonitrileYield 93%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A mixture of compound 76 (12 g, 0.08 mol), K2CO3 (11 g, 0.08 mol) in dry DMF (200 mL) was stirred for 15 min at RT. To this was added MeI (13.6 g, 0.096 mol) and the mixture was stirred for 4 h at RT. The reaction mixture was diluted with water (800 mL), extracted with 30% ethyl acetate in pet. ether (3×300 mL). The combined organic layers were washed with water and brine, dried and concentrated to give a crude product. The crude product was washed with pet. ether to give pure title compound (12 g, 93%).

Workup

  1. stirringthe mixture was stirred for 4 h at RT
  2. extractionextracted with 30% ethyl acetate in pet. ether (3×300 mL)
  3. washThe combined organic layers were washed with water and brine
  4. customdried
  5. concentrationconcentrated
  6. customto give a crude product
  7. washThe crude product was washed with pet. ether

Sources & evidence

ORD record
ord-25eb7f443b774ff5ad976f1a6564e52e
Source dataset
uspto-grants-2015_05
Patent number
US09040562B2

Reaction notes

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