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Water → (S)-5-bromo-3-(5-(2-ethyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one

HRID 1021778
ノート
印刷プレビュー

反応式

HRID 1021778 の反応式
[Br:1][C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:16]=[CH:15][C:14]([N:17]3[CH2:22][CH2:21][NH:20][CH2:19][C@@H:18]3[CH2:23][CH3:24])=[CH:13][N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1.[O:25]1[CH2:28][C:27](=O)[CH2:26]1.[BH3-]C#N.[Na+].O>CO.[Cl-].[Zn+2].[Cl-]>[Br:1][C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:16]=[CH:15][C:14]([N:17]3[CH2:22][CH2:21][N:20]([CH:27]4[CH2:28][O:25][CH2:26]4)[CH2:19][C@@H:18]3[CH2:23][CH3:24])=[CH:13][N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=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

7

反応物 4

HCID 962WaterHCID 5003444Sodium cyanoborohydrideHCID 150242543-OxetanoneHCID 86683741(S)-5-Bromo-3-(5-(2-ethylpiperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one

生成物 1

HCID 86683708(S)-5-bromo-3-(5-(2-ethyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one収率 68%

試薬・触媒・溶媒 2

HCID 3007855Zincchloride触媒
HCID 887Methanol溶媒

反応条件

温度
50 °C

実験手順

A mixture of 161d (263 mg, 0.67 mmol), oxetan-3-one (96 mg, 1.34 mmol), NaBH3CN 104 mg, 1.68 mmol), and zinc chloride (227 mg, 1.68 mmol) in methanol (10 mL) was stirred at 50° C. for 5 hours. Water (10 mL) was then added to the reaction. The resulting mixture was concentrated under reduced pressure. The residue was extracted with dichloromethane three times. The combined organic layer was concentrated under reduced pressure and the residue was purified by silica-gel column chromatography eluting with 50:1 dichloromethane/methanol to afford 161e (203 mg, 68%). MS: [M+H]+ 448.

後処理

  1. concentrationThe resulting mixture was concentrated under reduced pressure
  2. extractionThe residue was extracted with dichloromethane three times
  3. concentrationThe combined organic layer was concentrated under reduced pressure
  4. customthe residue was purified by silica-gel column chromatography
  5. washeluting with 50:1 dichloromethane/methanol

出典と根拠

ORDレコード
ord-249a7f42ff2949ab81343cb2ac563c74
出典データセット
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08716274B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート