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Water → 3-(4-Fluorophenyl)-5-isopropyl-1,2-diphenylpyrrole

HRID 1073095
Notes
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Reaction equation

HRID 1073095 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([CH2:17][C:18](=O)[CH:19]([CH3:21])[CH3:20])[C:9]([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)=O)=[CH:4][CH:3]=1.[NH2:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.O.C1(C)C=CC(S(O)(=O)=O)=CC=1>C1(C)C=CC=CC=1.C(OCC)(=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:17]=[C:18]([CH:19]([CH3:21])[CH3:20])[N:23]([C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=3)[C:9]=2[C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 962WaterHCID 6101p-Toluenesulfonic acidHCID 6115AnilineHCID 143002712-(4-Fluorophenyl)-5-methyl-1-phenylhexane-1,4-dione

Product 1

HCID 144613403-(4-Fluorophenyl)-5-isopropyl-1,2-diphenylpyrrole

Reagents, catalysts & solvents 2

HCID 1140
Toluene
Solvent
HCID 8857Ethyl AcetateSolvent

Procedure

10.1 g (34 mmol) of 2-(4-fluorophenyl)-5-methyl-1-phenylhexane-1,4-dione (Example 2) and 9.3 g (102 mmol) of aniline are heated under reflux for 24 hours in a water separator in 150 ml of toluene with the addition of 500 mg of p-toluenesulphonic acid. After cooling and diluting with ethyl acetate, the mixture is washed with 1N hydrochloric acid and then with sodium hydrogen carbonate solution, dried over magnesium sulphate and concentrated in vacuo. The residue is then chromatographed over silica gel.

Workup

  1. temperatureAfter cooling
  2. washthe mixture is washed with 1N hydrochloric acid
  3. dry with materialwith sodium hydrogen carbonate solution, dried over magnesium sulphate
  4. concentrationconcentrated in vacuo
  5. customThe residue is then chromatographed over silica gel

Sources & evidence

ORD record
ord-a4c76fa7301b4decaa78ffe8245d975b
Source dataset
uspto-grants-1990_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04968681

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes