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Water → 2-(7-Chloro-1,8-naphthyridin-2-yl)-3-oxo-1-isoindolinyl 4-diisopropylaminobutyrate

HRID 1029498
ノート
印刷プレビュー

反応式

HRID 1029498 の反応式
N12CCCN=C1CCCCC2.Cl[CH:13]1[C:21]2[C:16](=[CH:17][CH:18]=[CH:19][CH:20]=2)[C:15](=[O:22])[N:14]1[C:23]1[CH:32]=[CH:31][C:30]2[C:25](=[N:26][C:27]([Cl:33])=[CH:28][CH:29]=2)[N:24]=1.Cl.[CH:35]([N:38]([CH:45]([CH3:47])[CH3:46])[CH2:39][CH2:40][CH2:41][C:42]([OH:44])=[O:43])([CH3:37])[CH3:36].O>CN(C)C=O.C(Cl)Cl>[CH:45]([N:38]([CH:35]([CH3:37])[CH3:36])[CH2:39][CH2:40][CH2:41][C:42]([O:44][CH:13]1[C:21]2[C:16](=[CH:17][CH:18]=[CH:19][CH:20]=2)[C:15](=[O:22])[N:14]1[C:23]1[CH:32]=[CH:31][C:30]2[C:25](=[N:26][C:27]([Cl:33])=[CH:28][CH:29]=2)[N:24]=1)=[O:43])([CH3:47])[CH3:46]
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

7

反応物 4

HCID 962WaterHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 141824043-Chloro-2-(7-chloro-1,8-naphthyridin-2-yl)-1-isoindolinoneHCID 867456314-Diisopropylaminobutyric acid hydrochloride

生成物 1

HCID 867456302-(7-Chloro-1,8-naphthyridin-2-yl)-3-oxo-1-isoindolinyl 4-diisopropylaminobutyrate収率 49.3%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒
HCID 6344Dichloromethane溶媒

反応条件

温度
20 °C

実験手順

1,8-Diazabicyclo[5.4.0]undec-7-ene (10.7 g) is added dropwise to a suspension of 3-chloro-2-(7-chloro-1,8-naphthyridin-2-yl)-1-isoindolinone (9.9 g) and 4-diisopropylaminobutyric acid hydrochloride (6.7 g) in dimethylformamide (100 cc), and the mixture is stirred at a temperature in the region of 20° C. for 20 hours. The reaction mixture is then poured into water (130 cc). The solid obtained is separated by filtration and then dissolved in methylene chloride (200 cc). The organic extracts are washed with 0.1 N aqueous hydrochloric acid solution (2×35 cc), 0.5 N aqueous hydrochloric acid solution (35 cc), and then with water (2×35 cc). The organic phase is dried over magnesium sulphate, filtered and concentrated to dryness under reduced pressure (2.7 kPa). The residue obtained is taken up with methylene chloride (200 cc). The organic phase is washed with saturated aqueous sodium hydrogen carbonate solution (2×50 cc). The organic phase is dried over magnesium sulphate, filtered and concentrated to dryness under reduced pressure (2.7 kPa). The residue is recrystallized in isopropyl ether. 2-(7-Chloro-1,8-naphthyridin-2-yl)-3-oxo-1-isoindolinyl 4-diisopropylaminobutyrate (7.1 g), m.p. 118° C., is thereby obtained.

後処理

  1. customThe solid obtained
  2. customis separated by filtration
  3. dissolutiondissolved in methylene chloride (200 cc)
  4. washThe organic extracts are washed with 0.1 N aqueous hydrochloric acid solution (2×35 cc), 0.5 N aqueous hydrochloric acid solution (35 cc)
  5. dry with materialThe organic phase is dried over magnesium sulphate
  6. filtrationfiltered
  7. concentrationconcentrated to dryness under reduced pressure (2.7 kPa)
  8. customThe residue obtained
  9. washThe organic phase is washed with saturated aqueous sodium hydrogen carbonate solution (2×50 cc)
  10. dry with materialThe organic phase is dried over magnesium sulphate
  11. filtrationfiltered
  12. concentrationconcentrated to dryness under reduced pressure (2.7 kPa)
  13. customThe residue is recrystallized in isopropyl ether

出典と根拠

ORDレコード
ord-f374675e541843e2856edee1bce806f5
出典データセット
uspto-grants-1992_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05102890

反応ノート

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