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Ethanamine, 2,2,2-trifluoro- → (E)-4-(3-(3,5-dichlorophenyl)-4,4,4-trifluorobut-1-enyl)-2-methyl-N-(2,2,2-trifluoroethyl)benzamide

HRID 1503497
Notes
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Reaction equation

HRID 1503497 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([CH:9]([C:22]([F:25])([F:24])[F:23])/[CH:10]=[CH:11]/[C:12]2[CH:20]=[CH:19][C:15]([C:16]([OH:18])=O)=[C:14]([CH3:21])[CH:13]=2)[CH:5]=[C:6]([Cl:8])[CH:7]=1.[F:26][C:27]([F:31])([F:30])[CH2:28][NH2:29].O.ON1C2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC.C(N(CC)C(C)C)(C)C>CN(C=O)C.O>[Cl:8][C:6]1[CH:5]=[C:4]([CH:9]([C:22]([F:25])([F:24])[F:23])/[CH:10]=[CH:11]/[C:12]2[CH:20]=[CH:19][C:15]([C:16]([NH:29][CH2:28][C:27]([F:31])([F:30])[F:26])=[O:18])=[C:14]([CH3:21])[CH:13]=2)[CH:3]=[C:2]([Cl:1])[CH:7]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 9773Ethanamine, 2,2,2-trifluoro-HCID 81531DiisopropylethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 86675124(E)-4-(3-(3,5-dichlorophenyl)-4,4,4-trifluorobut-1-enyl)-2-methylbenzoic acid

Product 1

HCID 86675125
(E)-4-(3-(3,5-dichlorophenyl)-4,4,4-trifluorobut-1-enyl)-2-methyl-N-(2,2,2-trifluoroethyl)benzamide
Yield 50%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Conditions

Temperature
25 °C

Procedure

To a stirred solution of (E)-4-(3-(3,5-dichlorophenyl)-4,4,4-trifluorobut-1-enyl)-2-methylbenzoic acid in DMF was added 2,2,2-trifluoroethylamine, 1-hydroxybenzotriazole hydrate (HOBt.H2O), N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (EDC.HCl) and N,N-diisopropylethylamine (DIEA), and the reaction mixture was stirred at 25° C. for 18 h. The reaction mixture was diluted with H2O and extracted with EtOAc. The combined organic layer was washed with brine, dried over Na2SO4 and concentrated under reduced pressure. Purification by flash column chromatography (SiO2, 100-200 mesh; eluting with hexane:EtOAc afforded a white semi-solid (110 mg, 50%): 1H NMR (400 MHz, CDCl3) 7.40 (m, 2H), 7.26 (m, 3H), 6.56 (d, J=16.0 Hz, 1H), 6.48 (dd, J=16.0, 8.0 Hz, 1H), 5.82 (br s, 1H), 4.08 (m, 3H), 2.52 (s, 3H); ESIMS m/z 468.40 ([M−H]−); IR (thin film) 1657, 1113, 804 cm−1.

Workup

  1. extractionextracted with EtOAc
  2. washThe combined organic layer was washed with brine
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated under reduced pressure
  5. customPurification by flash column chromatography (SiO2, 100-200 mesh
  6. washeluting with hexane

Sources & evidence

ORD record
ord-284bbfd6a0d84f1fa4d6590aaac753e6
Source dataset
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09212163B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes