Triethylamine → [4,5-Bis-(4-chloro-phenyl)-2-(2-ethoxy-4-trifluoromethyl-phenyl)-4,5-dihydro-imidazol-1-yl]-[4-(2-hydroxy-2-trifluoromethyethyl)-piperazin-1-yl]-methanone

HRID 31523

Reaction equation

HRID 31523 reaction equation
[F:1][C:2]([F:7])([F:6])[CH:3]1[O:5][CH2:4]1.[Cl:8][C:9]1[CH:14]=[CH:13][C:12]([CH:15]2[CH:19]([C:20]3[CH:25]=[CH:24][C:23]([Cl:26])=[CH:22][CH:21]=3)[N:18]([C:27]([N:29]3[CH2:34][CH2:33][NH:32][CH2:31][CH2:30]3)=[O:28])[C:17]([C:35]3[CH:40]=[CH:39][C:38]([C:41]([F:44])([F:43])[F:42])=[CH:37][C:36]=3[O:45][CH2:46][CH3:47])=[N:16]2)=[CH:11][CH:10]=1.C(N(CC)CC)C>CO>[Cl:8][C:9]1[CH:10]=[CH:11][C:12]([CH:15]2[CH:19]([C:20]3[CH:25]=[CH:24][C:23]([Cl:26])=[CH:22][CH:21]=3)[N:18]([C:27]([N:29]3[CH2:34][CH2:33][N:32]([CH2:4][CH:3]([OH:5])[C:2]([F:7])([F:6])[F:1])[CH2:31][CH2:30]3)=[O:28])[C:17]([C:35]3[CH:40]=[CH:39][C:38]([C:41]([F:43])([F:42])[F:44])=[CH:37][C:36]=3[O:45][CH2:46][CH3:47])=[N:16]2)=[CH:13][CH:14]=1

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 5207692-(Trifluoromethyl)oxiraneHCID 69272507[4,5-Bis-(4-chloro-phenyl)-2-(2-ethoxy-4-trifluoromethyl-phenyl)-4,5-dihydro-imidazol-1-yl]-[piperazin-1-yl]-methanone

Product 1

HCID 11193479[4,5-Bis-(4-chloro-phenyl)-2-(2-ethoxy-4-trifluoromethyl-phenyl)-4,5-dihydro-imidazol-1-yl]-[4-(2-hydroxy-2-trifluoromethyethyl)-piperazin-1-yl]-methanone

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

1,1,1-trifluoro-2,3-epoxypropane (9 uL, 0.10 mmol) was added to a mixture of [4,5-bis-(4-chloro-phenyl)-2-(2-ethoxy-4-trifluoromethyl-phenyl)-4,5-dihydro-imidazol-1-yl]-[piperazin-1-yl]-methanone (30 mg, 0.048 mmol) and triethylamine (20 uL, 0.144 mmol) in anhydrous methanol (1.0 mL). The reaction was stirred overnight. Evaporation of the solvent and chromatography of the residue over silica gel using 0-5% methanol in methylene chloride gave [4,5-bis-(4-chloro-phenyl)-2-(2-ethoxy-4-trifluoromethyl-phenyl)-4,5-dihydro-imidazol-1-yl]-[4-(2-hydroxy-2-trifluoromethyethyl)-piperazin-1-yl]-methanone, which was dissolved in dilute hydrochloric acid (0.5 N, 1 mL) and lyophilized to give [4,5-bis-(4-chloro-phenyl)-2-(2-ethoxy-4-trifluoromethyl-phenyl)-4,5-dihydro-imidazol-1-yl]-[4-(2-hydroxy-2-trifluoromethyethyl)-piperazin-1-yl]-methanone hydrochloride as an off-white powder (38 mg, 84%). LR-MS (APCI): 703.5 [(M+H)+].

Workup

  1. customEvaporation of the solvent and chromatography of the residue over silica gel using 0-5% methanol in methylene chloride

Sources & evidence

ORD record
ord-ca16100f561a4a5f9140a1b52122e918
Source dataset
uspto-grants-2008_09
Patent number
US07425638B2

Linked notes

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