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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → N-(1-{2-[(2,5-Dioxopyrrolidin-1-yl)oxy]-2-oxoethyl}-2-oxo-1,2,3,4-tetrahydroquinolin-3-yl)-5-methyl-1H-indole-2-carboxamide

HRID 1376155
Notes
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Reaction equation

HRID 1376155 reaction equation
O[N:2]1[C:6](=[O:7])[CH2:5][CH2:4][C:3]1=[O:8].[CH3:9]CN=C=NCCCN(C)C.[C:20]([CH2:23][N:24]1[C:33]2[C:28](=[CH:29][CH:30]=[CH:31][CH:32]=2)[CH2:27][CH:26]([NH:34][C:35]([C:37]2[NH:38][C:39]3[C:44]([CH:45]=2)=[CH:43][C:42](Cl)=[CH:41][CH:40]=3)=[O:36])[C:25]1=[O:47])([OH:22])=[O:21]>C(Cl)Cl>[O:8]=[C:3]1[CH2:4][CH2:5][C:6](=[O:7])[N:2]1[O:22][C:20](=[O:21])[CH2:23][N:24]1[C:33]2[C:28](=[CH:29][CH:30]=[CH:31][CH:32]=2)[CH2:27][CH:26]([NH:34][C:35]([C:37]2[NH:38][C:39]3[C:44]([CH:45]=2)=[CH:43][C:42]([CH3:9])=[CH:41][CH:40]=3)=[O:36])[C:25]1=[O:47]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 80170N-HydroxysuccinimideHCID 101266823,4-dihydro-2-quinolone (DHQ) derivative, 10

Product 1

HCID 86598698N-(1-{2-[(2,5-Dioxopyrrolidin-1-yl)oxy]-2-oxoethyl}-2-oxo-1,2,3,4-tetrahydroquinolin-3-yl)-5-methyl-1H-indole-2-carboxamideYield 101.7%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

N-Hydroxysuccinimide (496 mg, 4.31 mmol) and EDCI (1.04 g, 5.38 mmol) were added to a suspension of N-[1-(carboxymethyl)-2-oxo-1,2,3,4-tetrahydroquinolin-3-yl]-5-chloroindole-2-carboxamide (Example 2, 1.71 g, 4.31 mmol)) in DCM (50 mL) and stirred for 18 hours. The suspension was evaporated and the residue partitioned between EtOAc:THF (4:1)(200 mL) and H2O. The organic was dried (Na2SO4), filtered and evaporated. The solid was triturated with refluxing Et2O (25 mL), filtered, washed with Et2O (25 mL) then hexane (25 mL) to afford the title compound (2.08 g, 98%) as a pale brown powder.

Workup

  1. customThe suspension was evaporated
  2. customthe residue partitioned between EtOAc:THF (4:1)(200 mL) and H2O
  3. dry with materialThe organic was dried (Na2SO4)
  4. filtrationfiltered
  5. customevaporated
  6. customThe solid was triturated with refluxing Et2O (25 mL)
  7. filtrationfiltered
  8. washwashed with Et2O (25 mL)

Sources & evidence

ORD record
ord-170913225b06455c887ad962c7c13a8a
Source dataset
uspto-grants-2007_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07169927B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes