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N,N-Dimethylglycine → 3,3-Dimethyl-2-(3-methyl-5-morpholin-4-yl-phenyl)-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester

HRID 1801024
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HRID 1801024 반응식
[CH2:1]([O:3][C:4]([C:6]1[CH:7]=[C:8]2[C:13](=[CH:14][CH:15]=1)[NH:12][CH:11]([C:16]1[CH:21]=[C:20]([CH3:22])[CH:19]=[C:18](Br)[CH:17]=1)[C:10]([CH3:25])([CH3:24])[CH2:9]2)=[O:5])[CH3:2].[NH:26]1[CH2:31][CH2:30][O:29][CH2:28][CH2:27]1.CN(C)CC(O)=O.C(=O)([O-])[O-].[K+].[K+]>CS(C)=O.[Cu]I.C(OCC)(=O)C>[CH2:1]([O:3][C:4]([C:6]1[CH:7]=[C:8]2[C:13](=[CH:14][CH:15]=1)[NH:12][CH:11]([C:16]1[CH:17]=[C:18]([N:26]3[CH2:31][CH2:30][O:29][CH2:28][CH2:27]3)[CH:19]=[C:20]([CH3:22])[CH:21]=1)[C:10]([CH3:25])([CH3:24])[CH2:9]2)=[O:5])[CH3:2]
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참가 물질

8

반응물 4

HCID 673N,N-DimethylglycineHCID 8083MorpholineHCID 11430Potassium CarbonateHCID 674415422-(3-Bromo-5-methyl-phenyl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester

생성물 1

HCID 674425853,3-Dimethyl-2-(3-methyl-5-morpholin-4-yl-phenyl)-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester수율 51%

시약·촉매·용매

3
HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매HCID 679Dimethyl Sulfoxide용매HCID 8857Ethyl Acetate용매

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온도
120 °C

실험 절차

A mixture of 2-(3-bromo-5-methyl-phenyl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester (1.0 g, 2.5 mmol), morpholine (2.2 g, 25 mmol), copper (I) iodide (0.29 g, 1.5 mmol), N,N-dimethylglycine (0.28 g, 2.0 mmol) and potassium carbonate (1.04 g, 7.5 mmol) in DMSO (6 mL) was heated for 4 hours at 120° C. After cooling to room temperature, the mixture was treated with ethyl acetate (50 mL) and washed with water (20 mL). The organic layer was dried over anhydrous sodium sulfate and concentrated in vacuo. Purification on flash silica gel chromatography (silica gel from QingDao, 200-300 mesh, glass column from Shanghai SD company) (20% ethyl acetate/hexanes) to afford 3,3-dimethyl-2-(3-methyl-5-morpholin-4-yl-phenyl)-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester (0.52 g, 51%) as a white solid: LC/MS m/e calcd for C25H32N2O3 (M+H)+: 409.6, observed: 409.2.

후처리

  1. temperatureAfter cooling to room temperature
  2. washwashed with water (20 mL)
  3. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customPurification on flash silica gel chromatography (silica gel from QingDao, 200-300 mesh, glass column from Shanghai SD company) (20% ethyl acetate/hexanes)

출처 및 근거

ORD 기록
ord-6b4a67313054481c94f023787ff24f36
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08344137B2

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