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Sodium Carbonate → 2-[5-(4-Tert-butyl-phenyl)-pyridin-3-yl]-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester

HRID 1800967
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HRID 1800967 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:17]=[N:18][CH:19]=[C:20](Br)[CH:21]=1)[C:10]([CH3:24])([CH3:23])[CH2:9]2)=[O:5])[CH3:2].[C:25]([C:29]1[CH:34]=[CH:33][C:32](B(O)O)=[CH:31][CH:30]=1)([CH3:28])([CH3:27])[CH3:26].C(=O)([O-])[O-].[Na+].[Na+]>O1CCOCC1.O.C(OCC)(=O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[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]=[N:18][CH:19]=[C:20]([C:32]3[CH:33]=[CH:34][C:29]([C:25]([CH3:28])([CH3:27])[CH3:26])=[CH:30][CH:31]=3)[CH:21]=1)[C:10]([CH3:24])([CH3:23])[CH2:9]2)=[O:5])[CH3:2]
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참가 물질

8

반응물 3

HCID 10340Sodium CarbonateHCID 27343204-tert-Butylphenylboronic acidHCID 674409002-(5-Bromo-pyridin-3-yl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester

생성물 1

HCID 674422362-[5-(4-Tert-butyl-phenyl)-pyridin-3-yl]-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester수율 99.4%

시약·촉매·용매 4

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 962Water용매
HCID 8857Ethyl Acetate용매
HCID 312751,4-Dioxane용매

실험 절차

To a mixture of 2-(5-bromo-pyridin-3-yl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester (778 mg, 2 mmol), 4-tert-butylphenylboronic acid (358 mg, 2 mmol) and tetrakis(triphenylphosphine)palladium(0) (232 mg, 0.2 mmol) in dioxane (10 mL) was added 2 M sodium carbonate solution in water (2 mL). The resulting mixture was subjected to microwave irradiation for 1 h at 110° C. The mixture was diluted with ethyl acetate (200 mL), washed with saturated aqueous sodium bicarbonate solution (50 mL×2), brine, dried over anhydrous sodium sulfate and then concentrated in vacuo to afford 2-[5-(4-tert-butyl-phenyl)-pyridin-3-yl]-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester (880 mg, 99%) as a yellow solid: LC/MS m/e calcd for C29H34N2O2 (M+H)+: 443.61, observed: 443.2.

후처리

  1. customirradiation for 1 h at 110° C
  2. washwashed with saturated aqueous sodium bicarbonate solution (50 mL×2), brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-14112669b589402e8b51aa8ca151037a
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08344137B2

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