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

HRID 272601
ノート
印刷プレビュー

反応式

HRID 272601 の反応式
[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
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

11

反応物 4

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

生成物 1

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

試薬・触媒・溶媒 6

HCID 74236
Tetrabutylammonium Bromide
触媒
HCID 167845palladium(II) acetate触媒
HCID 962Water溶媒
HCID 8058Hexane溶媒
HCID 8857Ethyl Acetate溶媒
HCID 57417360Sodium chloride; water溶媒

反応条件

温度
100 °C

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-e2bb3ebc037341a3891e5b3248e4f3d6
出典データセット
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07456177B2

反応ノート

読み込み中…

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