3,4-Dimethylaniline → HCID 25109250, compound

HRID 1515057Notes

Reaction equation

HRID 1515057 reaction equation
[CH3:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([CH3:8])[C:3]=1[N:9]1[C:17](=[O:18])[C:16]2[C:11](=[CH:12][CH:13]=[C:14]([C:19](O)=[O:20])[CH:15]=2)[C:10]1=[O:22].CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.[CH3:44][C:45]1[CH:46]=[C:47]([CH:49]=[CH:50][C:51]=1[CH3:52])[NH2:48]>CN(C=O)C.O>[CH3:44][C:45]1[CH:46]=[C:47]([NH:48][C:19]([C:14]2[CH:15]=[C:16]3[C:11](=[CH:12][CH:13]=2)[C:10](=[O:22])[N:9]([C:3]2[C:2]([CH3:1])=[CH:7][CH:6]=[CH:5][C:4]=2[CH3:8])[C:17]3=[O:18])=[O:20])[CH:49]=[CH:50][C:51]=1[CH3:52]

Participants

7

Reactant 4

HCID 72483,4-DimethylanilineHCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 477697110768-27-9

Product 1

HCID 25109250HCID 25109250, compound

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

To a mixture of 2-(2,6-dimethylphenyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid (130 mg), EDCI (85 mg) and HOBt (60 mg) in DMF (3 mL) was added 3,4-dimethylaniline (53 mg) and the mixture was stirred at room temperature for 24 h. The mixture was poured into water and was extracted with EtOAc. The organic phase was washed with water (3×) and dried over sodium sulfate. The solvent was removed under reduced pressure and the residue purified by flash chromatography using CH2Cl2 as eluent to give 2-(2,6-dimethylphenyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid (3,4-dimethylphenyl)-amide as a pale-yellow solid, mp=223-225° C.; MS (m/z) 397 (M−1); 1H NMR (CDCl3, 400 MHz) δ 8.38 (s, 1H), 8.09 (d, J=8.34 Hz, 1H), 7.81 (s, 1H), 7.45 (s, 1H), 7.37-7.15 (m, 5H), 2.30 (s, 3H), 2.27 (s, 3H), 1.54 (s, 6H).

Workup

  1. extractionwas extracted with EtOAc
  2. washThe organic phase was washed with water (3×)
  3. dry with materialdried over sodium sulfate
  4. customThe solvent was removed under reduced pressure
  5. customthe residue purified by flash chromatography

Sources & evidence

ORD record
ord-5330578b357644a884711612024a5680
Source dataset
uspto-grants-2012_07
Patent number
US08222248B2

Reaction notes

Loading…