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

HRID 1036861
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HRID 1036861 반응식
Br[C:2]1[CH:3]=[C:4]([CH:8]2[CH2:17][C:16]([CH3:19])([CH3:18])[C:15]3[C:10](=[CH:11][CH:12]=[C:13]([C:20]#[N:21])[CH:14]=3)[NH:9]2)[CH:5]=[CH:6][CH:7]=1.[NH2:22][C:23]([CH3:28])([CH3:27])[C:24]([OH:26])=[O:25].C(=O)([O-])[O-].[K+].[K+]>CS(C)=O.[Cu]I>[C:20]([C:13]1[CH:14]=[C:15]2[C:10](=[CH:11][CH:12]=1)[NH:9][CH:8]([C:4]1[CH:3]=[C:2]([NH:22][C:23]([CH3:28])([CH3:27])[C:24]([OH:26])=[O:25])[CH:7]=[CH:6][CH:5]=1)[CH2:17][C:16]2([CH3:19])[CH3:18])#[N:21]
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참가 물질

6

반응물 3

HCID 6119Aminoisobutyric acidHCID 11430Potassium CarbonateHCID 67292111HCID 67292111, 화합물

생성물 1

HCID 569666402-[3-(6-Cyano-4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-2-yl)-phenylamino]-2-methyl-propionic acid수율 33.1%

시약·촉매·용매 2

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
촉매
HCID 679Dimethyl Sulfoxide용매

실험 절차

A solution of 2-(3-bromo-phenyl)-4,4-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carbonitrile (341 mg, 1.0 mmol), copper(I) iodide (57.0 mg, 0.3 mmol), 2-amino-2-methyl-propionic acid (235 mg, 4.0 mmol) and potassium carbonate (420 mg, 3.0 mmol) in dimethyl sulfoxide (4.0 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-[3-(6-cyano-4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-2-yl)-phenylamino]-2-methyl-propionic acid (120.1 mg, 33.1%) as a white solid: LC/MS m/e obsd. (ESI+) [(M+H)+] 364.1.

후처리

  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)

출처 및 근거

ORD 기록
ord-1771ee6419454d24abf9885186af7e8d
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08546427B2

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