Diisopropylethylamine → 1-([4-[5-(3,5-Dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2-(trifluoromethyl)phenyl]carbonyl)imidazolidin-4-one

HRID 63849Notes

Reaction equation

HRID 63849 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:27]([F:30])([F:29])[F:28])[O:13][N:12]=[C:11]([C:14]3[CH:22]=[CH:21][C:17]([C:18](O)=[O:19])=[C:16]([C:23]([F:26])([F:25])[F:24])[CH:15]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.Cl.[NH:65]1[CH2:69][C:68](=[O:70])[NH:67][CH2:66]1>CN(C)C=O.[Cl-].[Na+].O>[Cl:8][C:6]1[CH:5]=[C:4]([C:9]2([C:27]([F:29])([F:28])[F:30])[O:13][N:12]=[C:11]([C:14]3[CH:22]=[CH:21][C:17]([C:18]([N:65]4[CH2:69][C:68](=[O:70])[NH:67][CH2:66]4)=[O:19])=[C:16]([C:23]([F:24])([F:25])[F:26])[CH:15]=3)[CH2:10]2)[CH:3]=[C:2]([Cl:1])[CH:7]=1

Participants

7

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 56965782Imidazolidin-4-one hydrochlorideHCID 595634844-[5-(3,5-Dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-2-trifluoromethyl benzoic acid

Product 1

HCID 1180472501-([4-[5-(3,5-Dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2-(trifluoromethyl)phenyl]carbonyl)imidazolidin-4-one

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 57417360Sodium chloride; waterSolvent

Conditions

Temperature
20 °C

Procedure

Into a 50-mL round-bottom flask, was placed a solution of 4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2-(trifluoromethyl)benzoic acid (300 mg, 0.64 mmol, 1.00 equiv) in N,N-dimethylformamide (2 mL), HATU (483 mg, 1.27 mmol, 2.00 equiv), DIEA (164 mg, 1.27 mmol, 2.00 equiv), imidazolidin-4-one hydrochloride (155 mg, 1.26 mmol, 2.00 equiv). The resulting solution was stirred for 3 h at 20° C. The resulting solution was diluted with 50 mL of brine. The resulting solution was extracted with 3×50 mL of ethyl acetate and the organic layers combined. The mixture was dried over sodium sulfate and concentrated under vacuum. The residue was applied onto a silica gel column with PE/EA (10:1). This resulted in 320 mg (93%) of 1-([4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2-(trifluoromethyl)phenyl]carbonyl)imidazolidin-4-one as light yellow oil.

Workup

  1. customInto a 50-mL round-bottom flask, was placed
  2. extractionThe resulting solution was extracted with 3×50 mL of ethyl acetate
  3. dry with materialThe mixture was dried over sodium sulfate
  4. concentrationconcentrated under vacuum
  5. customThis resulted in 320 mg (93%) of 1-([4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2-(trifluoromethyl)phenyl]carbonyl)imidazolidin-4-one as light yellow oil

Sources & evidence

ORD record
ord-786fd18d51654c8e84eed036bdd14f76
Source dataset
uspto-grants-2016_09
Patent number
US09447084B2

Reaction notes

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