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Water → 3-[2-(5-chloro-2-oxo-1,2-dihydroindol-3-ylidenemethyl)-4,5,6,7-tetrahydro-1H-indol-3-yl]-N-(2-morpholin-4-ylethyl)-propionamide

HRID 24529
Notes
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Reaction equation

HRID 24529 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][C:6](=[O:11])[C:5]2=[CH:12][C:13]1[NH:14][C:15]2[CH2:16][CH2:17][CH2:18][CH2:19][C:20]=2[C:21]=1[CH2:22][CH2:23][C:24](O)=[O:25].C(N1C=CN=C1)(N1C=CN=C1)=O.[NH2:39][CH2:40][CH2:41][N:42]1[CH2:47][CH2:46][O:45][CH2:44][CH2:43]1.O>CN(C)C=O>[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][C:6](=[O:11])[C:5]2=[CH:12][C:13]1[NH:14][C:15]2[CH2:16][CH2:17][CH2:18][CH2:19][C:20]=2[C:21]=1[CH2:22][CH2:23][C:24]([NH:39][CH2:40][CH2:41][N:42]1[CH2:47][CH2:46][O:45][CH2:44][CH2:43]1)=[O:25]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 682631,1'-CarbonyldiimidazoleHCID 4082852-MorpholinoethylamineHCID 697634783-[2-(5-Chloro-2-oxo-1,2-dihydroindol-3-ylidenemethyl)-4,5,6,7-tetrahydro-1H-indol-3-yl]-propionic acid

Product 1

HCID 537045853-[2-(5-chloro-2-oxo-1,2-dihydroindol-3-ylidenemethyl)-4,5,6,7-tetrahydro-1H-indol-3-yl]-N-(2-morpholin-4-ylethyl)-propionamide
Yield 80.3%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent2×

Procedure

3-[2-(5-Chloro-2-oxo-1,2-dihydroindol-3-ylidenemethyl)-4,5,6,7-tetrahydro-1H-indol-3yl]-propionic acid (11 g) was dissolved in 150 mL of dimethylformamide. Carbonyldiimidazole (6.3 g) was added and the mixture stirred at ambient temperature for 1 hour. 4-(2-Aminoethyl)morpholine (7.7 g) and 30 mL of dimethylformamide were added and the stirring continued overnight at room temperature. Fifty mL of water was added to the mixture and stirring was continued for 10 minutes. The precipitate was collected by vacuum filtration, washed with 20 mL of water and then 20 mL of ethanol. The solid was slurry-washed in 30 mL of refluxing ethanol for 5 minutes and cooled to room temperature. The solid was collected by vacuum filtration, washed with 20 mL of ethanol and vacuum dried to give 11.5 g (80%) of 3-[2-(5-chloro-2-oxo-1,2-dihydroindol-3-ylidenemethyl)-4,5,6,7-tetrahydro-1H-indol-3-yl]-N-(2-morpholin-4-ylethyl)-propionamide.

Workup

  1. customthe stirring continued overnight
  2. customat room temperature
  3. stirringstirring
  4. waitwas continued for 10 minutes
  5. filtrationThe precipitate was collected by vacuum filtration
  6. washwashed with 20 mL of water
  7. washThe solid was slurry-washed in 30 mL of refluxing ethanol for 5 minutes
  8. temperaturecooled to room temperature
  9. filtrationThe solid was collected by vacuum filtration
  10. washwashed with 20 mL of ethanol and vacuum
  11. customdried

Sources & evidence

ORD record
ord-9109bcc5ee7247daa8702d55be845ddf
Source dataset
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06855730B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes