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Ethyl Acetate → 4-bromo-7-methoxy-1H-pyrrolo[2,3-c]pyridine

HRID 632738
ノート
印刷プレビュー

反応式

HRID 632738 の反応式
[Br:1][C:2]1[C:3](/[CH:13]=[CH:14]/[N:15](C)C)=[C:4]([N+]([O-])=O)[C:5]([O:8][CH3:9])=[N:6][CH:7]=1.C(OCC)(=O)C.[H][H]>[Ni].O>[Br:1][C:2]1[CH:7]=[N:6][C:5]([O:8][CH3:9])=[C:4]2[NH:15][CH:14]=[CH:13][C:3]=12
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 8857Ethyl AcetateHCID 578831255-Bromo-4-[2-(dimethylamino)ethenyl]-2-methoxy-3-nitropyridineHCID 178418361HCID 178418361、化合物

生成物 1

HCID 118064014-bromo-7-methoxy-1H-pyrrolo[2,3-c]pyridine収率 56%

試薬・触媒・溶媒 2

HCID 935Nickel触媒HCID 962Water
溶媒

実験手順

(E)-2-(5-bromo-2-methoxy-3-nitropyridin-4-yl)-N,N-dimethylethenamine (13.9 g, 45.8 mmol) and ethyl acetate (150 mL) were added to Ra-Ni 2800 (pre-washed with ethanol), water slurry (6.9 g, 118 mmol) in a stainless steel pressure bottle and stirred for 30 minutes at 30 psi of hydrogen and room temperature. The reaction mixture was filtered, and concentrated. The residue was triturated with dichloromethane, and the solid collected by filtration to provide 4-bromo-7-methoxy-1H-pyrrolo[2,3-c]pyridine (5.82 g). The mother liquor was evaporated and the residue triturated again with dichloromethane and filtered to provide an additional 1.63 g of 4-bromo-7-methoxy-1H-pyrrolo[2,3-c]pyridine. Total yield=7.45 g, 72% yield.

後処理

  1. filtrationThe reaction mixture was filtered
  2. concentrationconcentrated
  3. customThe residue was triturated with dichloromethane
  4. filtrationthe solid collected by filtration

出典と根拠

ORDレコード
ord-27ce196fe184401ba5f89d17b8a77a7d
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09321765B2

反応ノート

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