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Potassium Carbonate → HCID 14995282, 화합물

HRID 2248877
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HRID 2248877 반응식
O.O.O.O.O.[N:6]1[C:15]2[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=2)[CH:9]=[CH:8][C:7]=1[CH2:16][O:17][C:18]1[CH:19]=[C:20]([CH:22]=[CH:23][CH:24]=1)[O-:21].[Na+].C(=O)([O-])[O-].[K+].[K+].[C:32]([C:34]1[O:35][C:36]2[CH:42]=[C:41]([CH2:43]Br)[CH:40]=[CH:39][C:37]=2[N:38]=1)#[N:33]>CC(C)=O.CN(C)C=O>[C:32]([C:34]1[O:35][C:36]2[CH:42]=[C:41]([CH2:43][O:21][C:20]3[CH:22]=[CH:23][CH:24]=[C:18]([O:17][CH2:16][C:7]4[CH:8]=[CH:9][C:10]5[C:15](=[CH:14][CH:13]=[CH:12][CH:11]=5)[N:6]=4)[CH:19]=3)[CH:40]=[CH:39][C:37]=2[N:38]=1)#[N:33]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 11430Potassium CarbonateHCID 19994737HCID 19994737, 화합물HCID 23684420HCID 23684420, 화합물

생성물 1

HCID 14995282HCID 14995282, 화합물

시약·촉매·용매 2

HCID 180Acetone용매HCID 6228Dimethylformamide용매

실험 절차

To a stirred solution of sodium 3-(2-quinolinylmethyloxy)phenoxide pentahydrate (3.63 g, 10 mmol) in acetone (85 ml) and dimethylformamide (10 ml) at room temperature are added successively potassium carbonate (2.07 g, 15 mmol) and 2-cyano-6-bromomethylbenzoxazole (1.90 g, 8.02 mmol). The resulting solution-suspension is refluxed for 16 hours and concentrated. Water (100 ml) and ethyl acetate (200 ml are added. Extraction with ethyl acetate is followed by washing with water and brine, drying (MgSO4) and evaporation under reduced pressure. The residue is subjected to flash chromatography over silica gel. Elution with 33% ethyl acetate in hexane and concentration of the appropriate fractions provides 2-cyano-6-[3-(2-quinolinylmethyloxy)phenoxymethyl]benzoxazole which is used directly in the next step.

후처리

  1. temperatureThe resulting solution-suspension is refluxed for 16 hours
  2. concentrationconcentrated
  3. additionWater (100 ml) and ethyl acetate (200 ml are added
  4. extractionExtraction with ethyl acetate
  5. washby washing with water and brine
  6. customdrying
  7. custom(MgSO4) and evaporation under reduced pressure
  8. washElution with 33% ethyl acetate in hexane and concentration of the appropriate fractions

출처 및 근거

ORD 기록
ord-bb0711b0e70f47f589cb1ad4efd9d844
출처 데이터셋
uspto-grants-1991_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05041453

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