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Potassium Carbonate → 3-(1-Ethyl-4,4,6-trimethyl-2-oxo-1,2,3,4-tetrahydro-quinolin-7-yl)-4-trifluoromethoxy-benzaldehyde

HRID 883068
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HRID 883068 반응식
Br[C:2]1[CH:11]=[C:10]2[C:5]([C:6]([CH3:16])([CH3:15])[CH2:7][C:8](=[O:14])[N:9]2[CH2:12][CH3:13])=[CH:4][C:3]=1[CH3:17].[F:18][C:19]([F:33])([F:32])[O:20][C:21]1[CH:26]=[CH:25][C:24]([CH:27]=[O:28])=[CH:23][C:22]=1B(O)O.C(=O)([O-])[O-].[K+].[K+]>C1(C)C=CC=CC=1.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>[CH2:12]([N:9]1[C:10]2[C:5](=[CH:4][C:3]([CH3:17])=[C:2]([C:26]3[CH:25]=[C:24]([CH:23]=[CH:22][C:21]=3[O:20][C:19]([F:18])([F:32])[F:33])[CH:27]=[O:28])[CH:11]=2)[C:6]([CH3:16])([CH3:15])[CH2:7][C:8]1=[O:14])[CH3:13]
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참가 물질

6

반응물 3

HCID 11430Potassium CarbonateHCID 219664285-Formyl-2-(trifluoromethoxy)benzeneboronic acidHCID 219664867-Bromo-1-ethyl-4,4,6-trimethyl-3,4-dihydro-1H-quinolin-2-one

생성물 1

HCID 112234493-(1-Ethyl-4,4,6-trimethyl-2-oxo-1,2,3,4-tetrahydro-quinolin-7-yl)-4-trifluoromethoxy-benzaldehyde수율 64.9%

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 1140Toluene용매2회

실험 절차

A solution of Compound 1A (1 g, 3.38 mmol) in 17 mL of toluene was added to a flask containing 2-trifluoromethoxy-5-formyl-phenyl boronic acid (0.95 g, 4.05 mmol), prepared by the procedure described in WO 03/075924, and tetrakis(triphenylphosphine)palladium(0) (195 mg, 0.17 mmol) in 4 mL of toluene. Next, 3.4 mL of a 2M solution of potassium carbonate was added and the reaction heated to reflux for four hours, after which the reaction was cooled and partitioned between ethyl acetate (100 mL) and water (50 mL). The aqueous layer was further extracted with ethyl acetate (2×100 mL) and the combined organic layers were dried with sodium sulfate, filtered, stripped and purified via flash chromatography (15% EtOAc/hexanes) to afford 890 mg of product Compound 2A (65%). MS (electrospray): mass calculated for C22H22F3NO3, 405.16; m/z found 406.2, [M+H]+.

후처리

  1. customprepared by the procedure
  2. temperaturethe reaction heated
  3. temperatureto reflux for four hours
  4. temperatureafter which the reaction was cooled
  5. custompartitioned between ethyl acetate (100 mL) and water (50 mL)
  6. extractionThe aqueous layer was further extracted with ethyl acetate (2×100 mL)
  7. dry with materialthe combined organic layers were dried with sodium sulfate
  8. filtrationfiltered
  9. custompurified via flash chromatography (15% EtOAc/hexanes)

출처 및 근거

ORD 기록
ord-d00facb0ec3e4af89f6184b071f9c897
출처 데이터셋
uspto-grants-2012_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08236819B2

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