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Diisopropylethylamine → 7-[2-(5-Trifluoromethyl-pyridin-2-yl)-benzoylamino]-quinoline-3-carboxylic acid ethyl ester

HRID 51913
ノート
印刷プレビュー

反応式

HRID 51913 の反応式
[F:1][C:2]([F:19])([F:18])[C:3]1[CH:4]=[CH:5][C:6]([C:9]2[CH:17]=[CH:16][CH:15]=[CH:14][C:10]=2[C:11]([OH:13])=O)=[N:7][CH:8]=1.[CH2:20]([O:22][C:23]([C:25]1[CH:26]=[N:27][C:28]2[C:33]([CH:34]=1)=[CH:32][CH:31]=[C:30]([NH2:35])[CH:29]=2)=[O:24])[CH3:21].C(N(C(C)C)CC)(C)C>S(Cl)(Cl)=O.ClCCCl>[CH2:20]([O:22][C:23]([C:25]1[CH:26]=[N:27][C:28]2[C:33]([CH:34]=1)=[CH:32][CH:31]=[C:30]([NH:35][C:11](=[O:13])[C:10]1[CH:14]=[CH:15][CH:16]=[CH:17][C:9]=1[C:6]1[CH:5]=[CH:4][C:3]([C:2]([F:1])([F:19])[F:18])=[CH:8][N:7]=1)[CH:29]=2)=[O:24])[CH3:21]
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 81531DiisopropylethylamineHCID 9877801Ethyl 7-aminoquinoline-3-carboxylateHCID 227369092-(5-(Trifluoromethyl)pyridin-2-yl)benzoic acid

生成物 1

HCID 698913457-[2-(5-Trifluoromethyl-pyridin-2-yl)-benzoylamino]-quinoline-3-carboxylic acid ethyl ester収率 85%

試薬・触媒・溶媒 2

HCID 111,2-Dichloroethane溶媒
HCID 24386
Thionyl Chloride
溶媒

実験手順

2-(5-Trifluoromethyl-pyridin-2-yl)-benzoic acid (325 mg, 1.05 mmol) was dissolved in 15 ml of thionyl chloride, and the mixture heated at 60 C. After 4 h, the volatiles were removed under vacuum, the residue combined with 7-amino-quinoline-3-carboxylic acid ethyl ester (100 mg, 0.46 mmol), dissolved in 1,2-dichloroethane (15 ml), and diisopropylethylamine (300 mg, 2.31 mmol) added. After heating at reflux for 48 h, the reaction mixture was washed with 1N HCl, dried (magnesium sulfate), filtered, and concentrated under vacuum. The resulting residue was purified by silica gel chromatography eluting with 50% ethyl acetate in hexanes to provide 180 mg (85%) of the title compound.

後処理

  1. temperaturethe mixture heated at 60 C
  2. customthe volatiles were removed under vacuum
  3. temperatureAfter heating
  4. temperatureat reflux for 48 h
  5. washthe reaction mixture was washed with 1N HCl
  6. dry with materialdried (magnesium sulfate)
  7. filtrationfiltered
  8. concentrationconcentrated under vacuum
  9. customThe resulting residue was purified by silica gel chromatography
  10. washeluting with 50% ethyl acetate in hexanes

出典と根拠

ORDレコード
ord-45cde8f8728746f0a03b36badf7735a8
出典データセット
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06713489B2

反応ノート

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