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Dimethyl Sulfoxide → 2-[6-(Methylsulfanyl)pyrimidin-4-yl]acetonitrile

HRID 2401185
ノート
印刷プレビュー

反応式

HRID 2401185 の反応式
[C:1]([CH:3]([C:8]1[CH:13]=[C:12]([S:14][CH3:15])[N:11]=[CH:10][N:9]=1)C(OC)=O)#[N:2].[Cl-].[Na+].O.CS(C)=O>C(OCC)(=O)C>[CH3:15][S:14][C:12]1[N:11]=[CH:10][N:9]=[C:8]([CH2:3][C:1]#[N:2])[CH:13]=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

6

反応物 4

HCID 679Dimethyl SulfoxideHCID 962WaterHCID 5234Sodium ChlorideHCID 59173478Methyl cyano[6-(methylthio)-4-pyrimidinyl]acetate2 回

生成物 1

HCID 591732732-[6-(Methylsulfanyl)pyrimidin-4-yl]acetonitrile収率 56.3%

試薬・触媒・溶媒 1

HCID 8857Ethyl Acetate
溶媒

反応条件

温度
160 °C

実験手順

A microwave vial was charged with methyl cyano[6-(methylthio)-4-pyrimidinyl]acetate (Intermediate 14, 700 mg, 3.14 mmol), sodium chloride (1.0 g, 17.11 mmol), water (1 mL) and DMSO (19 mL). The mixture was stirred and heated at 160° C. for 50 minutes in the microwave. The reaction mixture was diluted with ethyl acetate (20 mL) and washed with brine. The organic layer was dried (sodium sulfate), filtered and concentrated under reduced pressure. The residue was dissolved in DCM (10 mL) and purified by column chromatography (Biotage SP4) eluting with a gradient of 0-100% ethyl acetate and iso-hexane. Fractions containing the suspected product were combined and concentrated under reduced pressure to give the title compound (292 mg) as a yellow oil;

後処理

  1. washwashed with brine
  2. dry with materialThe organic layer was dried (sodium sulfate)
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. dissolutionThe residue was dissolved in DCM (10 mL)
  6. custompurified by column chromatography (Biotage SP4)
  7. washeluting with a gradient of 0-100% ethyl acetate and iso-hexane
  8. additionFractions containing the suspected product
  9. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-9c4d1a2df9434e1592e212c87a5b9899
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08796283B2

反応ノート

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