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N,N-Dimethylglycine hydrochloride → Methyl 3-(4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy)-5-(1-methyl-2-oxopyrrolidin-3-yloxy)benzoate

HRID 75964
ノート
印刷プレビュー

反応式

HRID 75964 の反応式
[OH:1][C:2]1[CH:3]=[C:4]([CH:9]=[C:10]([O:12][CH:13]2[CH2:17][CH2:16][N:15]([CH3:18])[C:14]2=[O:19])[CH:11]=1)[C:5]([O:7][CH3:8])=[O:6].Cl.CN(C)CC(O)=O.I[C:29]1[CH:34]=[CH:33][C:32]([C:35]2[O:36][C:37]([CH3:40])=[N:38][N:39]=2)=[CH:31][CH:30]=1>O1CCOCC1.[Cu](I)I>[CH3:40][C:37]1[O:36][C:35]([C:32]2[CH:31]=[CH:30][C:29]([O:1][C:2]3[CH:3]=[C:4]([CH:9]=[C:10]([O:12][CH:13]4[CH2:17][CH2:16][N:15]([CH3:18])[C:14]4=[O:19])[CH:11]=3)[C:5]([O:7][CH3:8])=[O:6])=[CH:34][CH:33]=2)=[N:39][N:38]=1
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 75605N,N-Dimethylglycine hydrochlorideHCID 6765692-(4-Iodophenyl)-5-methyl-[1,3,4]oxadiazole2 回HCID 66971906Methyl 3-hydroxy-5-(1-methyl-2-oxopyrrolidin-3-yloxy)benzoate2 回

生成物 1

HCID 66972059Methyl 3-(4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy)-5-(1-methyl-2-oxopyrrolidin-3-yloxy)benzoate収率 30.7%

試薬・触媒・溶媒 2

HCID 83717
Copper iodide
触媒
HCID 312751,4-Dioxane溶媒

実験手順

To a stirred mixture of Methyl 3-hydroxy-5-(1-methyl-2-oxopyrrolidin-3-yloxy)benzoate (15 g) (Intermediate 3), N,N-dimethylglycine hydrochloride (2.3 g), copper (II) iodide (1 g) in dry 1,4-dioxane was added 2-(4-iodophenyl)-5-methyl-1,3,4-oxadiazole (15.4 g) (Intermediate 4) under nitrogen. The reaction mixture was refluxed for 24 h. The reaction mixture was cooled, quenched with water and extracted with DCM. Combined organic washings were washed with water, brine, dried over Na2SO4, filtered and concentrated in vacuo to get the crude product. The crude product was purified by column chromatography using silica gel as stationary phase and ethyl acetate: petroleum ether (9:1) as mobile phase to give the product (7 g) as thick liquid.

後処理

  1. temperatureThe reaction mixture was refluxed for 24 h
  2. temperatureThe reaction mixture was cooled
  3. customquenched with water
  4. extractionextracted with DCM
  5. washCombined organic washings were washed with water, brine
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customto get the crude product
  10. customThe crude product was purified by column chromatography

出典と根拠

ORDレコード
ord-5e29f283917d45e2a7c3fd3018e4b0ee
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08835469B2

反応ノート

読み込み中…

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