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Diisopropylethylamine → cis-N-(2-amino-cyclohexyl)-2-methylsulfanyl-4-trifluoromethyl-benzamide

HRID 659184
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 659184
[CH3:1][S:2][C:3]1[CH:11]=[C:10]([C:12]([F:15])([F:14])[F:13])[CH:9]=[CH:8][C:4]=1[C:5]([OH:7])=O.C(N(CC)C(C)C)(C)C.F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.[NH2:49][C@@H:50]1[CH2:55][CH2:54][CH2:53][CH2:52][C@@H:51]1[NH2:56]>CN(C)C=O>[NH2:49][C@H:50]1[CH2:55][CH2:54][CH2:53][CH2:52][C@H:51]1[NH:56][C:5](=[O:7])[C:4]1[CH:8]=[CH:9][C:10]([C:12]([F:15])([F:14])[F:13])=[CH:11][C:3]=1[S:2][CH3:1]
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Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 3429171,2-Diaminocyclohexane, cis-HCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 11085762Benzoic acid, 2-(methylthio)-4-(trifluoromethyl)-2×

Produkt 1

HCID 58062952
cis-N-(2-amino-cyclohexyl)-2-methylsulfanyl-4-trifluoromethyl-benzamide
Ausbeute 34 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

2-Methylsulfanyl-4-trifluoromethyl-benzoic acid (intermediate C, 590 mg, 2.5 mmol) was dissolved in 10 mL dimethylformamide. N,N-Diisopropyl ethyl amine (646 mg, 5 mmol) and O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (1.05 g, 2.7 mmol) were added. After 5 minutes of stirring at room temperature cis-1,2-diaminocyclohexane (570 mg, 5 mmol) was added. The reaction mixture was stirred at room temperature overnight. The solvent was evaporated off. The residue was taken up in 2N sodium carbonate solution and ethyl acetate and was extracted three times with ethyl acetate. The combined organic phases were dried on sodium sulfate, filtered and evaporated. Purification of the residue by flash chromatography on silica gel (dichloromethane/methanol/ammonia 100:0:0→140:10:1) yielded cis-N-(2-amino-cyclohexyl)-2-methylsulfanyl-4-trifluoromethyl-benzamide as a light yellow solid (282 mg, 34%), MS: m/e=3331.1 [(M+H)+].

Aufarbeitung

  1. additionwas added
  2. customThe solvent was evaporated off
  3. extractionethyl acetate and was extracted three times with ethyl acetate
  4. customThe combined organic phases were dried on sodium sulfate
  5. filtrationfiltered
  6. customevaporated
  7. customPurification of the residue by flash chromatography on silica gel (dichloromethane/methanol/ammonia 100:0:0→140:10:1)

Quellen und Nachweise

ORD-Eintrag
ord-ed5d3883969d4acbae8cd69ad2946311
Quelldatensatz
uspto-grants-2011_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08080541B2

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