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Hydrogen Peroxide → 7-chloro-1-(5-fluoro-3-methyl-2-pyridin-2-ylquinolin-4-yl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine 4,4-dioxide

HRID 1618676
ノート
印刷プレビュー

反応式

HRID 1618676 の反応式
[Cl:1][C:2]1[CH:29]=[N:28][C:5]2S[CH2:7][CH2:8][N:9]([C:10]3[C:19]4[C:14](=[CH:15][CH:16]=[CH:17][C:18]=4[F:20])[N:13]=[C:12]([C:21]4[CH:26]=[CH:25][CH:24]=[CH:23][N:22]=4)[C:11]=3[CH3:27])[C:4]=2[CH:3]=1.O.OO.[OH:33][S:34]([O-:36])=O.[Na+]>CCOC(C)=O.[O-][W]([O-])(=O)=O.[Na+].[Na+]>[Cl:1][C:2]1[CH:29]=[N:28][C:5]2[S:34](=[O:36])(=[O:33])[CH2:7][CH2:8][N:9]([C:10]3[C:19]4[C:14](=[CH:15][CH:16]=[CH:17][C:18]=4[F:20])[N:13]=[C:12]([C:21]4[CH:26]=[CH:25][CH:24]=[CH:23][N:22]=4)[C:11]=3[CH3:27])[C:4]=2[CH:3]=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 784Hydrogen Peroxide2 回HCID 962WaterHCID 23665763Sodium BisulfiteHCID 672850997-chloro-1-(5-fluoro-3-methyl-2-(pyridin-2-yl)quinolin-4-yl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine

生成物 1

HCID 672857777-chloro-1-(5-fluoro-3-methyl-2-pyridin-2-ylquinolin-4-yl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine 4,4-dioxide

試薬・触媒・溶媒 2

HCID 26052Sodium tungstate触媒2 回HCID 8857Ethyl Acetate溶媒2 回

反応条件

温度
0 °C

実験手順

To a stirred solution of 7-chloro-1-(5-fluoro-3-methyl-2-(pyridin-2-yl)quinolin-4-yl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine (30 mg, 0.071 mmol) in EtOAc (2.5 mL) was added disodium tungstate (2.08 mg, 7.09 μmol) and water (0.2 mL). The reaction was cooled at 0° C. and then H2O2 (36.2 μL, 0.355 mmol, 30%) was added. The reaction was allowed to warm to rt for 1 h. After this time more disodium tungstate (5 mg) was added followed by H2O2 (0.3 mL) and the reaction was stirred at rt overnight. After this time the reaction was diluted with EtOAc (50 mL) and treated with a saturated aqueous solution of NaHSO3 (10 mL). The separated organic layer was washed with brine (10 mL), dried over MgSO4, filtered and evaporated in vacuo to give 7-chloro-1-(5-fluoro-3-methyl-2-pyridin-2-ylquinolin-4-yl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine 4,4-dioxide. Mass Spectrum (ESI) m/e=455.0 (M+1).

後処理

  1. temperatureto warm to rt for 1 h
  2. washThe separated organic layer was washed with brine (10 mL)
  3. dry with materialdried over MgSO4
  4. filtrationfiltered
  5. customevaporated in vacuo

出典と根拠

ORDレコード
ord-c71ece4857db4a829b48245908c087fa
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…

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