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Potassium Carbonate → 2-[3-(4-chlorophenyl)-4-(4-methoxyphenylmethyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-N-[3-(trifluoromethyl)phenylmethyl]acetamide

HRID 660929
Notes
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Reaction equation

HRID 660929 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]([CH2:14][C:15]3[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=3)[C:10](=[O:13])[NH:11][N:12]=2)=[CH:4][CH:3]=1.Cl[CH2:24][C:25]([NH:27][CH2:28][C:29]1[CH:34]=[CH:33][CH:32]=[C:31]([C:35]([F:38])([F:37])[F:36])[CH:30]=1)=[O:26].C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]([CH2:14][C:15]3[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=3)[C:10](=[O:13])[N:11]([CH2:24][C:25]([NH:27][CH2:28][C:29]3[CH:34]=[CH:33][CH:32]=[C:31]([C:35]([F:36])([F:37])[F:38])[CH:30]=3)=[O:26])[N:12]=2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 212778322-Chloro-N-(3-trifluoromethyl-benzyl)-acetamideHCID 580122805-(4-chlorophenyl)-4-(4-methoxybenzyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

Product 1

HCID 580120502-[3-(4-chlorophenyl)-4-(4-methoxyphenylmethyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-N-[3-(trifluoromethyl)phenylmethyl]acetamide

Reagents, catalysts & solvents 1

HCID 6342
Acetonitrile
Solvent

Procedure

1.00 g (3.17 mmol) of 5-(4-chlorophenyl)-4-(4-methoxyphenylmethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one from Example 55A, 0.80 g (3.17 mmol) of 2-chloro-N-[3-(trifluoromethyl)phenylmethyl]-acetamide and 0.88 g (6.33 mmol) of potassium carbonate are suspended in 20 ml of acetonitrile and heated under reflux for 8 hrs. The mixture is then concentrated in vacuo, and the residue taken up in water and extracted three times with ethyl acetate. The combined organic phases are concentrated and the residue purified by preparative HPLC [Method 12]. 1.07 g (64% of theory) of the target compound are thus obtained.

Workup

  1. temperatureheated
  2. temperatureunder reflux for 8 hrs
  3. concentrationThe mixture is then concentrated in vacuo
  4. extractionextracted three times with ethyl acetate
  5. concentrationThe combined organic phases are concentrated
  6. customthe residue purified by preparative HPLC [Method 12]
  7. custom1.07 g (64% of theory) of the target compound are thus obtained

Sources & evidence

ORD record
ord-1ae5b52e72924f09ac2e98b71b17b431
Source dataset
uspto-grants-2011_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08084481B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes