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Ethyl Acetate → {3,4-Difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonylazetidin-3-one

HRID 605689
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HRID 605689 반응식
[F:1][C:2]1[C:3]([NH:16][C:17]2[CH:22]=[CH:21][C:20]([I:23])=[CH:19][C:18]=2[F:24])=[C:4]([C:9]([N:11]2[CH2:14][CH:13]([OH:15])[CH2:12]2)=[O:10])[CH:5]=[CH:6][C:7]=1[F:8].CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C=CC=CC1=2)=O.C(OCC)(=O)C>ClCCl>[F:1][C:2]1[C:3]([NH:16][C:17]2[CH:22]=[CH:21][C:20]([I:23])=[CH:19][C:18]=2[F:24])=[C:4]([C:9]([N:11]2[CH2:12][C:13](=[O:15])[CH2:14]2)=[O:10])[CH:5]=[CH:6][C:7]=1[F:8]
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참가 물질

5

반응물 3

HCID 8857Ethyl AcetateHCID 159087TriacetoxyperiodinaneHCID 16223325[3,4-Bis(Fluoranyl)-2-[(2-Fluoranyl-4-Iodanyl-Phenyl)amino]phenyl]-(3-Oxidanylazetidin-1-Yl)methanone

생성물 1

HCID 16223411{3,4-Difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonylazetidin-3-one수율 93%

시약·촉매·용매 1

HCID 6344Dichloromethane
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온도
0 °C

실험 절차

1-({3,4-Difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol (132 mg, 0.295 mmol) ures similar to those in Example 1, was dissolved in dichloromethane (8 mL) and cooled to 0° C. Dess-Martin periodinane (187 mg, 0.441 mmol) was added and the mixture was stirred at ambient for 2 h. The mixture was quenched with saturated sodium bicarbonate solution: 10% sodium thiosulfate solution (1:1; 6 mL) and diluted with ethyl acetate. The organic portion was washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated in vacuo. Column chromatography (silica gel, 40-50% ethyl acetate in hexanes) gave 1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-one (122 mg, 0.273 mmol, 93% yield): 1H NMR (400 MHz, CDCl3): 8.43 (br s, 1H), 7.44-7.38 (m, 1H), 7.36-7.32 (m, 1H), 7.27-7.20 (m, 1H), 6.86 (ddd, 1H), 6.64 (ddd, 1H), 4.94-4.93 (m, 4H); MS (EI) for C16H10F3IN2O2: 447 (MH+).

후처리

  1. customThe mixture was quenched with saturated sodium bicarbonate solution
  2. addition10% sodium thiosulfate solution (1:1; 6 mL) and diluted with ethyl acetate
  3. washThe organic portion was washed with brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-69a5565515d6456ea866460f1b677d49
출처 데이터셋
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07915250B2

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