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2,4-Dichloro-5,7-difluoro-3-methylquinoline → 4-Chloro-5,7-difluoro-3-methyl-2-phenethylquinoline

HRID 1618662
ノート
印刷プレビュー

反応式

HRID 1618662 の反応式
Cl[C:2]1[C:11]([CH3:12])=[C:10]([Cl:13])[C:9]2[C:4](=[CH:5][C:6]([F:15])=[CH:7][C:8]=2[F:14])[N:3]=1.[Br-].[CH2:17]([Zn+])[CH2:18][C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1COCC1>[Cl:13][C:10]1[C:9]2[C:4](=[CH:5][C:6]([F:15])=[CH:7][C:8]=2[F:14])[N:3]=[C:2]([CH2:17][CH2:18][C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[C:11]=1[CH3:12]
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

5

反応物 2

HCID 596310402,4-Dichloro-5,7-difluoro-3-methylquinolineHCID 178419778HCID 178419778、化合物

生成物 1

HCID 672854194-Chloro-5,7-difluoro-3-methyl-2-phenethylquinoline

試薬・触媒・溶媒 2

HCID 178418397HCID 178418397、化合物触媒HCID 8028Tetrahydrofuran溶媒

反応条件

温度
60 °C

実験手順

A screw cap vial was charged with 2,4-dichloro-5,7-difluoro-3-methylquinoline (500 mg, 2.016 mmol), tetrakis(triphenylphosphine)palladium(0) (233 mg, 0.202 mmol), and THF (5.04 mL). The mixture was sparged with N2, then phenethyl-zinc(II) bromide (0.5 M in THF, 4.23 mL, 2.116 mmol) was added and the reaction stirred at 60° C. for 2 h. The reaction was then partitioned between EtOAc and water, and the organic layer washed with brine, dried (MgSO4), and concentrated. The crude material was purified by flash chromatography, eluting with a gradient of 0-15% EtOAc in hexane to give 4-chloro-5,7-difluoro-3-methyl-2-phenethylquinoline. Mass Spectrum (ESI) m/e=318.0 (M+1).

後処理

  1. customA screw cap vial
  2. customThe mixture was sparged with N2
  3. customThe reaction was then partitioned between EtOAc and water
  4. washthe organic layer washed with brine
  5. dry with materialdried (MgSO4)
  6. concentrationconcentrated
  7. customThe crude material was purified by flash chromatography
  8. washeluting with a gradient of 0-15% EtOAc in hexane

出典と根拠

ORDレコード
ord-7aa1eee7b6a943e29e21882c3ed96fe2
出典データセット
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08765940B2

反応ノート

読み込み中…

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