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1-Aminocyclopropane-1-carboxylic acid → 2-[2-(6-Chloro-4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-2-yl)-phenylamino]-2-methyl-propionic acid

HRID 1036890
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1036890
Br[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH:8]1[CH2:17][C:16]([CH3:19])([CH3:18])[C:15]2[C:10](=[CH:11][CH:12]=[C:13]([Cl:20])[CH:14]=2)[NH:9]1.[NH2:21][C:22]1([C:25]([OH:27])=[O:26])[CH2:24][CH2:23]1.C(=O)([O-])[O-].[K+].[K+]>CS(C)=O.[Cu]I>[Cl:20][C:13]1[CH:14]=[C:15]2[C:10](=[CH:11][CH:12]=1)[NH:9][CH:8]([C:3]1[CH:4]=[CH:5][CH:6]=[CH:7][C:2]=1[NH:21][C:22]([CH3:24])([CH3:23])[C:25]([OH:27])=[O:26])[CH2:17][C:16]2([CH3:19])[CH3:18]
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Komponenten

6

Edukt 3

HCID 5351-Aminocyclopropane-1-carboxylic acidHCID 11430Potassium CarbonateHCID 672903632-(2-Bromophenyl)-6-chloro-4,4-dimethyl-1,2,3,4-tetrahydroquinoline

Produkt 1

HCID 569668642-[2-(6-Chloro-4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-2-yl)-phenylamino]-2-methyl-propionic acidAusbeute 60 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Katalysator
HCID 679Dimethyl SulfoxideLösungsmittel

Versuchsvorschrift

A solution of 2-(2-bromo-phenyl)-6-chloro-4,4-dimethyl-1,2,3,4-tetrahydro-quinoline (200 mg, 0.57 mmol), copper(I) iodide (33 mg, 0.17 mmol), 1-amino-cyclopropanecarboxylic acid (235 mg, 2.29 mmol) and potassium carbonate (240 mg, 1.7 mmol) in dimethyl sulfoxide (2.0 mL) was stirred at 120° C. for 16 h. Then the reaction mixture was cooled to room temperature and extracted with ethyl acetate (150 mL×2), washed with water (50 mL×2) and saturated aqueous ammonium chloride solution (50 mL×2), dried over anhydrous sodium sulfate and then concentrated in vacuo. Purification by Waters automated flash system (column: Xterra 30 mm×100 mm, sample manager 2767, pump 2525, detector: ZQ mass and UV 2487, solvent system: acetonitrile and 0.1% ammonium hydroxide in water) afforded 2-[2-(6-chloro-4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-2-yl)-phenylamino]-2-methyl-propionic acid (127 mg, 60.0%) as a white solid: LC/MS m/e obsd. (ESI+) [(M+H)+] 371.1.

Aufarbeitung

  1. extractionextracted with ethyl acetate (150 mL×2)
  2. washwashed with water (50 mL×2) and saturated aqueous ammonium chloride solution (50 mL×2)
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customPurification by Waters automated flash system (column: Xterra 30 mm×100 mm, sample manager 2767, pump 2525, detector: ZQ mass and UV 2487, solvent system: acetonitrile and 0.1% ammonium hydroxide in water)

Quellen und Nachweise

ORD-Eintrag
ord-791768c99de54764afd6acb099a4d8a7
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08546427B2

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