3-methyl-4-(4-methyl-piperazine-carbonyl)-1H-pyrrole-2-carbaldehyde → 4-(4-bromo-phenyl)-3-[3-methyl-4-(4-methyl-piperazine-1-carbonyl)-1H-pyrrol-2-ylmethylene]-1,3-dihydro-indol-2-one

HRID 1839793Notes

Reaction equation

HRID 1839793 reaction equation
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:16]=[CH:15][CH:14]=[C:13]3[C:9]=2[CH2:10][C:11](=[O:17])[NH:12]3)=[CH:4][CH:3]=1.[CH3:18][C:19]1[C:23]([C:24]([N:26]2[CH2:31][CH2:30][N:29]([CH3:32])[CH2:28][CH2:27]2)=[O:25])=[CH:22][NH:21][C:20]=1[CH:33]=O>C(O)C.N1CCCCC1>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[CH:16]=[CH:15][CH:14]=[C:13]3[C:9]=2[C:10](=[CH:33][C:20]2[NH:21][CH:22]=[C:23]([C:24]([N:26]4[CH2:27][CH2:28][N:29]([CH3:32])[CH2:30][CH2:31]4)=[O:25])[C:19]=2[CH3:18])[C:11](=[O:17])[NH:12]3)=[CH:6][CH:7]=1

Participants

5

Reactant 2

HCID 223909553-methyl-4-(4-methyl-piperazine-carbonyl)-1H-pyrrole-2-carbaldehydeHCID 225617214-(4-Bromo-phenyl)1,3-dihydro-indol-2-one

Product 1

HCID 697418564-(4-bromo-phenyl)-3-[3-methyl-4-(4-methyl-piperazine-1-carbonyl)-1H-pyrrol-2-ylmethylene]-1,3-dihydro-indol-2-oneYield 34%

Reagents, catalysts & solvents 2

HCID 8082PiperidineCatalystHCID 702EthanolSolvent

Procedure

To a solution of 4-(4-bromo-phenyl)-1,3-dihydro-indol-2-one (72.0 mg, 0.25 mmol) and 3-methyl-4-(4-methyl-piperazine-1-carbonyl)-1H-pyrrole-2-carbaldehyde (61.2 mg, 0.26 mmol) in ethanol (2 mL) was added piperidine (3 drops). The reaction mixture was stirred at room temperature for three days. A yellow solid product was precipitated out, filtered, washed by ethanol for three times, and dried under high vacuum to provide pure product 4-(4-bromo-phenyl)-3-[3-methyl-4-(4-methyl-piperazine-1-carbonyl)-1H-pyrrol-2-ylmethylene]-1,3-dihydro-indol-2-one as a yellow solid (42.8 mg, 34%).

Workup

  1. customA yellow solid product was precipitated out
  2. filtrationfiltered
  3. washwashed by ethanol for three times
  4. customdried under high vacuum

Sources & evidence

ORD record
ord-d81bf33490bc4047b527f79a3ca9d2b4
Source dataset
uspto-grants-2004_01
Patent number
US06677368B2

Reaction notes

Loading…