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Hydrogen Bromide → N-[3-tert-butyl-2-methoxy-5-(2-oxo-1,2-dihydropyridin-3-yl)phenyl]-4-methanesulfonylamino-N-methylbenzamide

HRID 2390840
ノート
印刷プレビュー

反応式

HRID 2390840 の反応式
[C:1]([C:5]1[C:6]([O:34][CH3:35])=[C:7]([N:19]([CH3:33])[C:20](=[O:32])[C:21]2[CH:26]=[CH:25][C:24]([NH:27][S:28]([CH3:31])(=[O:30])=[O:29])=[CH:23][CH:22]=2)[CH:8]=[C:9]([C:11]2[C:12]([O:17]C)=[N:13][CH:14]=[CH:15][CH:16]=2)[CH:10]=1)([CH3:4])([CH3:3])[CH3:2].Br>CC(O)=O.CCOC(C)=O>[C:1]([C:5]1[C:6]([O:34][CH3:35])=[C:7]([N:19]([CH3:33])[C:20](=[O:32])[C:21]2[CH:22]=[CH:23][C:24]([NH:27][S:28]([CH3:31])(=[O:29])=[O:30])=[CH:25][CH:26]=2)[CH:8]=[C:9]([C:11]2[C:12](=[O:17])[NH:13][CH:14]=[CH:15][CH:16]=2)[CH:10]=1)([CH3:4])([CH3:2])[CH3:3]
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

5

反応物 2

HCID 260Hydrogen BromideHCID 67070141N-[3-tert-butyl-2-methoxy-5-(2-methoxypyridin-3-yl)phenyl]-4-methanesulfonylamino-N-methylbenzamide

生成物 1

HCID 67069871N-[3-tert-butyl-2-methoxy-5-(2-oxo-1,2-dihydropyridin-3-yl)phenyl]-4-methanesulfonylamino-N-methylbenzamide収率 94%

試薬・触媒・溶媒 2

HCID 176Acetic Acid溶媒HCID 8857
Ethyl Acetate
溶媒

反応条件

温度
60 °C

実験手順

To a solution of 142 (0.17 g, 0.33 mmol) in HOAc (3 mL) was added concentrated aqueous HBr (48%, 0.11 mL), and the solution was heated in a sealed tube at 60° C. for 15 h. The reaction mixture was cooled to RT, diluted with EtOAc, and washed sequentially with water and saturated aqueous NaHCO3. The organic layer was dried (Na2SO4), filtered and concentrated. The crude residue was purified by SiO2 chromatography eluting with DCM/MeOH/NH4OH to afford 0.15 g (93%) of N-[3-tert-butyl-2-methoxy-5-(2-oxo-1,2-dihydropyridin-3-yl)phenyl]-4-methanesulfonylamino-N-methylbenzamide (I-104) as a white powder.

後処理

  1. temperatureThe reaction mixture was cooled to RT
  2. washwashed sequentially with water and saturated aqueous NaHCO3
  3. dry with materialThe organic layer was dried (Na2SO4)
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe crude residue was purified by SiO2 chromatography
  7. washeluting with DCM/MeOH/NH4OH

出典と根拠

ORDレコード
ord-5143f2b5d6a14833ad42d72953d7ad0b
出典データセット
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08273773B2

反応ノート

読み込み中…

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