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Sodium Carbonate → 6-(2,2,4,6,7-Pentamethyl-3-phenyl-2,3-dihydro-1-benzofuran-5-yl)-6,7-dihydro-5H-[1,3]dioxolo[4,5-f]-isoindole

HRID 2211728
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HRID 2211728 반응식
[CH3:1][C:2]1([CH3:21])[CH:6]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[C:5]2[C:13]([CH3:20])=[C:14]([NH2:19])[C:15]([CH3:18])=[C:16]([CH3:17])[C:4]=2[O:3]1.[C:22](=[O:25])([O-])[O-:23].[Na+].[Na+]>O1CCCC1.[I-].C([N+](CCCC)(CCCC)CCCC)CCC>[CH3:1][C:2]1([CH3:21])[CH:6]([C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=2)[C:5]2[C:13]([CH3:20])=[C:14]([N:19]3[CH2:20][C:13]4[CH:14]=[C:15]5[O:23][CH2:22][O:25][C:16]5=[CH:4][C:5]=4[CH2:6]3)[C:15]([CH3:18])=[C:16]([CH3:17])[C:4]=2[O:3]1
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참가 물질

5

반응물 2

HCID 10340Sodium CarbonateHCID 105407985-Amino-2,2,4,6,7-pentamethyl-3-phenyl-2,3-dihydrobenzofuran

생성물 1

HCID 99104056-(2,2,4,6,7-Pentamethyl-3-phenyl-2,3-dihydro-1-benzofuran-5-yl)-6,7-dihydro-5H-[1,3]dioxolo[4,5-f]-isoindole수율 112.1%

시약·촉매·용매 2

HCID 67553Tetrabutylammonium Iodide촉매HCID 8028
Tetrahydrofuran
용매

실험 절차

To a solution of 2,2,4,6,7-pentamethyl-3-phenyl-2,3-dihydro-1-benzofuran-5-amine (1.00 g, 3.56 mmol) in tetrahydrofuran (30 ml) were added 5,6-bis(chloromethyl)-1,3-benzodioxazole (604 mg, 2.76 mmol), sodium carbonate (1.17 mg, 11.0 mmol), and tetrabutylammonium iodide (700 mg, 1.90 mmol) and the mixture was refluxed with heating for 15 hours. The reaction mixture was cooled down to room temperature and then poured into ice water. The product was extracted twice with ethyl acetate. The combined extracts were washed with an aqueous saturated solution of sodium chloride, dried on magnesium sulfate, filtered, and then concentrated under reduced pressure. The residue was subjected to column chromatography on silica gel (hexane-ethyl acetate 8:1) to obtain 853 mg (56% yield) of the title compound. Melting point: 245-248° C. (Ethyl acetate).

후처리

  1. temperaturethe mixture was refluxed
  2. temperaturewith heating for 15 hours
  3. extractionThe product was extracted twice with ethyl acetate
  4. washThe combined extracts were washed with an aqueous saturated solution of sodium chloride
  5. customdried on magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-ee2bf4743e594a0b821c2c731c43e47a
출처 데이터셋
uspto-grants-2006_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07101867B2

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