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Dimethylformamide → 1-Fluoro-5,8-dihydro-9H-5,8-methanocyclohepta[c]pyridin-9-one

HRID 272601
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HRID 272601 반응식
[CH:1]1([C:6]([C:8]2[C:9]([F:15])=[N:10][CH:11]=[CH:12][C:13]=2I)=[O:7])[CH2:5][CH:4]=[CH:3][CH2:2]1.C([O-])(=O)C.[K+].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CN(C=O)C>[Br-].C([N+](CCCC)(CCCC)CCCC)CCC.[Cl-].[Na+].O.C([O-])(=O)C.[Pd+2].C([O-])(=O)C.O.CCCCCC.C(OCC)(=O)C>[F:15][C:9]1[N:10]=[CH:11][CH:12]=[C:13]2[C:8]=1[C:6](=[O:7])[CH:1]1[CH2:5][CH:4]2[CH:3]=[CH:2]1
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참가 물질

11

반응물 4

HCID 6228DimethylformamideHCID 11776TriphenylphosphineHCID 517044Potassium AcetateHCID 68806406(Cyclopent-3-en-1-yl)(2-fluoro-4-iodopyridin-3-yl)methanone

생성물 1

HCID 598378341-Fluoro-5,8-dihydro-9H-5,8-methanocyclohepta[c]pyridin-9-one

시약·촉매·용매 6

HCID 74236
Tetrabutylammonium Bromide
촉매
HCID 167845palladium(II) acetate촉매
HCID 962Water용매
HCID 8058Hexane용매
HCID 8857Ethyl Acetate용매
HCID 57417360Sodium chloride; water용매

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온도
100 °C

실험 절차

Cyclopent-3-enyl-(2-fluoro-4-iodo-pyridin-3-yl)-methanone (110 mg, 0.35 mmol) as prepared above, was combined with tetrabutylammonium bromide (112 mg, 0.35 mmol), potassium acetate (102 mg, 1.04 mmol), triphenylphosphine (2 mg, 0.009 mmol) and DMF (4 ml). The reaction mixture was deoxygenated with nitrogen and then palladium acetate (2 mg, 0.008 mmol) was introduced. The reaction mixture was heated in a 100° C. oil bath for 20 min. A black precipitate was observed after 7 min. The reaction mixture was cooled to room temperature and was then added to a mixture of 1:1:1:1 ethyl acetate, hexane, brine and water. The organic layer was separated and washed with brine and then dried and evaporated. The residue (60 mg) was used directly in the next step. 1H NMR (CDCl3, 400 MHz) δ 8.15 (d, 1H, J=5 Hz), 7.03 (d, 1H, J=5 Hz), 6.65 (m, 1H), 6.19(m, 1H), 3.69 (br s, 1H), 3.51 (m, 1H), 2.68 (m, 1H), 2.63 (d, 1H, J=11 Hz); APCl MS m/z 190 (M+1)+; HRMS (m/z): (M+H)+ calc'd. for C11H8FNO2: 190.0668; found, 190.0654.

후처리

  1. customThe reaction mixture was deoxygenated with nitrogen
  2. temperatureThe reaction mixture was cooled to room temperature
  3. customThe organic layer was separated
  4. washwashed with brine
  5. customdried
  6. customevaporated

출처 및 근거

ORD 기록
ord-e2bb3ebc037341a3891e5b3248e4f3d6
출처 데이터셋
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07456177B2

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