Potassium Phosphate, Tribasic → N-(4-tert-butyl-benzyl)-3-chloro-5-ethyl-N-[2-(3-fluoro-5-trifluoromethyl-phenyl)-ethyl]-benzamide

HRID 19811

Reaktionsgleichung

Reaktionsgleichung von HRID 19811
Br[C:2]1[CH:3]=[C:4]([CH:32]=[C:33]([Cl:35])[CH:34]=1)[C:5]([N:7]([CH2:21][C:22]1[CH:27]=[CH:26][C:25]([C:28]([CH3:31])([CH3:30])[CH3:29])=[CH:24][CH:23]=1)[CH2:8][CH2:9][C:10]1[CH:15]=[C:14]([C:16]([F:19])([F:18])[F:17])[CH:13]=[C:12]([F:20])[CH:11]=1)=[O:6].[CH2:36](B(O)O)[CH3:37].P([O-])([O-])([O-])=O.[K+].[K+].[K+].C1(P(C2CCCCC2)C2CCCCC2)CCCCC1>C1(C)C=CC=CC=1.O.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[C:28]([C:25]1[CH:26]=[CH:27][C:22]([CH2:21][N:7]([CH2:8][CH2:9][C:10]2[CH:15]=[C:14]([C:16]([F:18])([F:17])[F:19])[CH:13]=[C:12]([F:20])[CH:11]=2)[C:5](=[O:6])[C:4]2[CH:3]=[C:2]([CH2:36][CH3:37])[CH:34]=[C:33]([Cl:35])[CH:32]=2)=[CH:23][CH:24]=1)([CH3:30])([CH3:29])[CH3:31]

Komponenten

8

Edukt 4

HCID 62657Potassium Phosphate, TribasicHCID 75806TricyclohexylphosphineHCID 521157Ethylboronic acidHCID 866139943-bromo-N-(4-tert-butyl-benzyl)-5-chloro-N-[2-(3-fluoro-5-trifluoromethyl-phenyl)-ethyl]-benzamide

Produkt 1

HCID 68563631N-(4-tert-butyl-benzyl)-3-chloro-5-ethyl-N-[2-(3-fluoro-5-trifluoromethyl-phenyl)-ethyl]-benzamideAusbeute 61,5 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 167845palladium(II) acetateKatalysatorHCID 962WaterLösungsmittel2×HCID 1140TolueneLösungsmittel

Versuchsvorschrift

285 mg of 3-bromo-N-(4-tert-butyl-benzyl)-5-chloro-N-[2-(3-fluoro-5-trifluoromethyl-phenyl)-ethyl]-benzamide (0.6 mmol, Example B177), 44 mg of ethylboronic acid (1.75 mmol), 371 mg of tri-potassium phosphate (0.05 mmol), 14 mg of tricyclohexylphosphine and 6 mg of palladium acetate were suspended in 2.3 ml toluene and 0.1 ml water and stirred at 100° C. for 3.5 h under nitrogen. The reaction mixture was then cooled down to RT, diluted with 4 ml water and extracted twice with ethylacetate. The combined organic layers were washed with brine, dried over magnesium sulfate, filtered off and concentrated under vacuo. The resulting residue was purified by flash column chromatography (Heptane/AcOEt:95/5) to yield 192 mg of a yellow solid. MS (ISP) 520.3 (M+H)+.

Aufarbeitung

  1. extractionextracted twice with ethylacetate
  2. washThe combined organic layers were washed with brine
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered off
  5. concentrationconcentrated under vacuo
  6. customThe resulting residue was purified by flash column chromatography (Heptane/AcOEt:95/5)

Quellen und Nachweise

ORD-Eintrag
ord-d21cfe3388354277955c93e18fae43b7
Quelldatensatz
uspto-grants-2010_06
Patentnummer
US07745477B2

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