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Potassium Iodide → 1-[2-[4-[1-(4-Fluorophenyl)-5-(2-methyltetrazol-5-yl)-1H-indol-3-yl]-1,2,3,6-tetrahydropyridin-1-yl]ethyl]-2-imidazolidinone

HRID 394595
Notes
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Reaction equation

HRID 394595 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:16]3[C:11](=[CH:12][C:13]([C:17]4[N:18]=[N:19][N:20]([CH3:22])[N:21]=4)=[CH:14][CH:15]=3)[C:10]([C:23]3[CH2:24][CH2:25][NH:26][CH2:27][CH:28]=3)=[CH:9]2)=[CH:4][CH:3]=1.Cl[CH2:30][CH2:31][N:32]1[CH2:36][CH2:35][NH:34][C:33]1=[O:37].C(=O)([O-])[O-].[K+].[K+].[I-].[K+]>CC(CC(C)=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:16]3[C:11](=[CH:12][C:13]([C:17]4[N:18]=[N:19][N:20]([CH3:22])[N:21]=4)=[CH:14][CH:15]=3)[C:10]([C:23]3[CH2:24][CH2:25][N:26]([CH2:30][CH2:31][N:32]4[CH2:36][CH2:35][NH:34][C:33]4=[O:37])[CH2:27][CH:28]=3)=[CH:9]2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 4875Potassium IodideHCID 11430Potassium CarbonateHCID 754351-(2-Chloroethyl)imidazolidin-2-oneHCID 181772261-(4-fluorophenyl)-5-(2-methyl-5-tetrazolyl)-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole

Product 1

HCID 181772291-[2-[4-[1-(4-Fluorophenyl)-5-(2-methyltetrazol-5-yl)-1H-indol-3-yl]-1,2,3,6-tetrahydropyridin-1-yl]ethyl]-2-imidazolidinone

Reagents, catalysts & solvents 1

HCID 7909Methyl Isobutyl KetoneSolvent

Procedure

A mixture of 1-(4-fluorophenyl)-5-(2-methyl-5-tetrazolyl)-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole (21a) (4 g), 1-(2-chloroethyl)imidazolidin-2-one (1.8 g), potassium carbonate (2.1 g) and potassium iodide (0.5 g) in MIBK (80 mL) was boiled at reflux for 20 hours. After cooling, inorganic salts were filtered off and the solvent evaporated in vacuo. The title compound crystallised from ethyl acetate. Yield 3.0 g. Mp 201-203° C. 1H NMR (CDCl3): δ 2.60-2.70 (m, 4H), 2.80 (t, 2H), 3.30 (broad s, 2H), 3.35-3.45 (m, 4H), 3.55 (t, 2H), 4.40 (s, 3H), 4.65 (s, 1H), 6.35 (broad s, 1H), 7.20 (t, 2H), 7.25 (s, 1H), 7.40-7.50 (m, 3H), 7.95 (d, 1H), 8.25 (s, 1H); MS m/z (%): 487 (MH+, 12), 142 (49), 113 (100).

Workup

  1. temperatureat reflux for 20 hours
  2. temperatureAfter cooling
  3. filtrationinorganic salts were filtered off
  4. customthe solvent evaporated in vacuo
  5. customThe title compound crystallised from ethyl acetate

Sources & evidence

ORD record
ord-c3546495c29542208e6a5bd95d5cccbb
Source dataset
uspto-grants-2003_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06602889B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes