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Methanol → 5,5-Dimethyl-1-(6-hydroxyquinoline-4-ylmethyl)-3-(4-trifluoromethoxyphenyl)imidazolidine-2,4-dione

HRID 1169663
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HRID 1169663 반응식
B(Br)(Br)Br.[CH3:5][C:6]1([CH3:37])[N:10]([CH2:11][C:12]2[C:21]3[C:16](=[CH:17][CH:18]=[C:19]([O:22]C)[CH:20]=3)[N:15]=[CH:14][CH:13]=2)[C:9](=[O:24])[N:8]([C:25]2[CH:30]=[CH:29][C:28]([O:31][C:32]([F:35])([F:34])[F:33])=[CH:27][CH:26]=2)[C:7]1=[O:36].CO.C([O-])(O)=O.[Na+]>C(Cl)Cl.O>[CH3:5][C:6]1([CH3:37])[N:10]([CH2:11][C:12]2[C:21]3[C:16](=[CH:17][CH:18]=[C:19]([OH:22])[CH:20]=3)[N:15]=[CH:14][CH:13]=2)[C:9](=[O:24])[N:8]([C:25]2[CH:26]=[CH:27][C:28]([O:31][C:32]([F:34])([F:35])[F:33])=[CH:29][CH:30]=2)[C:7]1=[O:36]
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참가 물질

7

반응물 4

HCID 887MethanolHCID 25134Boron tribromideHCID 516892Sodium BicarbonateHCID 596942685,5-Dimethyl-1-(6-methoxyquinolin-4-ylmethyl)-3-(4-trifluoromethoxyphenyl)imidazolidine-2,4-dione

생성물 1

HCID 596942575,5-Dimethyl-1-(6-hydroxyquinoline-4-ylmethyl)-3-(4-trifluoromethoxyphenyl)imidazolidine-2,4-dione수율 67.4%

시약·촉매·용매 2

HCID 962Water용매HCID 6344Dichloromethane용매3회

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온도
20 °C

실험 절차

6 ml of a 1M solution of boron tribromide in CH2Cl2 are added to a solution of 0.26 g of 5,5-dimethyl-1-(6-methoxyquinolin-4-ylmethyl)-3-(4-trifluoromethoxyphenyl)imidazolidine-2,4-dione in 40 ml of dichloromethane, under an inert atmosphere of argon at a temperature in the region of 0° C. The reaction medium is stirred at a temperature in the region of 20° C. for 16 hours. 5 ml of methanol are added dropwise. After stirring for 30 minutes at this temperature, 50 ml of water, 30 ml of CH2Cl2 and 10 ml of saturated NaHCO3 are added. After separation of the phases by settling, the organic phase is dried over sodium sulfate, filtered and then concentrated under reduced pressure. The beige-colored foam obtained is purified by flash chromatography (SiO2, EtOAc as eluent, Ar). The fractions containing the product are concentrated under reduced pressure. 0.17 g of 5,5-dimethyl-1-(6-hydroxyquinolin-4-yl-methyl)-3-(4-trifluoromethoxyphenyl)imidazolidine-2,4-dione is thus obtained, the characteristics of which product are as follows:

후처리

  1. additionare added
  2. customAfter separation of the phases
  3. dry with materialthe organic phase is dried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe beige-colored foam obtained
  7. customis purified by flash chromatography (SiO2, EtOAc as eluent, Ar)
  8. additionThe fractions containing the product
  9. concentrationare concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-446d99a79a624b95a86e6539952cefde
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07825115B2

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