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Chloroacetyl chloride → Ethyl 4-chloroacetamido-N-(3,4-dichlorobenzyl)indole-2-carboxylate

HRID 1072566
Notes
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Reaction equation

HRID 1072566 reaction equation
[NH2:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH:4]=[C:5]([C:20]([O:22][CH2:23][CH3:24])=[O:21])[N:6]2[CH2:11][C:12]1[CH:17]=[CH:16][C:15]([Cl:18])=[C:14]([Cl:19])[CH:13]=1.[Cl:25][CH2:26][C:27](Cl)=[O:28].C(N(CC)CC)C>ClCCl>[Cl:25][CH2:26][C:27]([NH:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH:4]=[C:5]([C:20]([O:22][CH2:23][CH3:24])=[O:21])[N:6]2[CH2:11][C:12]1[CH:17]=[CH:16][C:15]([Cl:18])=[C:14]([Cl:19])[CH:13]=1)=[O:28]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6577Chloroacetyl chlorideHCID 8471TriethylamineHCID 22310859HCID 22310859, compound

Product 1

HCID 22387275Ethyl 4-chloroacetamido-N-(3,4-dichlorobenzyl)indole-2-carboxylateYield 65%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Ethyl 4-amino-N-(3,4-dichlorobenzyl)indole-2-carboxylate (2.03 g), chloroacetyl chloride (0.5 ml) and triethylamine (4.0 ml) were stirred in dichloromethane (50 ml) for 16 hours. The reaction was washed with water, dried (MgSO4) and concentrated in vacuo. The residue was triturated with toluene to give the product as a pale grey solid (1.61 g, 65%); NMR d (CD3SOCD3) 1.28 (t, 3H), 4.30 (q, 2H), 4.40 (s, 2H), 5.81 (s, 2H), 6.88 (dd, 1H), 7.30 (m, 3H), 7.50 (d, 1H), 7.76 (s, 1H), 7.78 (d, 1H), 10.19 (brs, 1H); M/z (−) 439 (M+), 4.37.

Workup

  1. washThe reaction was washed with water
  2. dry with materialdried (MgSO4)
  3. concentrationconcentrated in vacuo
  4. customThe residue was triturated with toluene

Sources & evidence

ORD record
ord-c75ea6c525cf4cfd85b36d1c85dcf1d2
Source dataset
uspto-grants-2005_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06911465B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes