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Benzyl Alcohol → 6-(Benzyloxy)pyridine-3-carbonitrile

HRID 1177902
ノート
印刷プレビュー

反応式

HRID 1177902 の反応式
Cl[C:2]1[CH:9]=[CH:8][C:5]([C:6]#[N:7])=[CH:4][N:3]=1.[CH2:10]([OH:17])[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1.[OH-].[K+]>C1(C)C=CC=CC=1.O>[CH2:10]([O:17][C:2]1[CH:9]=[CH:8][C:5]([C:6]#[N:7])=[CH:4][N:3]=1)[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=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 3

HCID 244Benzyl AlcoholHCID 14797Potassium HydroxideHCID 51520946-Chloro-3-pyridinecarbonitrile

生成物 1

HCID 247001066-(Benzyloxy)pyridine-3-carbonitrile収率 40.3%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 1140Toluene溶媒

反応条件

温度
70 °C

実験手順

To a stirred solution of 6-chloronicotinonitrile (1 g, 7.2 mmol) and benzyl alcohol (780 mg, 7.2 mmol) in toluene (15 mL) was added KOH (729 mg, 12.99 mmol) and 18 crown ether (2.86 g, 10.8 mmol). The resulting mixture was stirred at 70° C. for 7 hrs. The mixture was diluted with cold water and the product was extracted with EtOAc. The organic layer was washed with saturated brine solution and dried over Na2SO4. The organic layer was then concentrated under reduced pressure. The obtained residue was purified by column chromatography (using neutral alumina and 5% MeOH: CHCl3 as eluent) to afford 610 mg (40.1% yield) of 6-benzyloxy-nicotinonitrile. LCMS Purity: 77.69%.

後処理

  1. extractionthe product was extracted with EtOAc
  2. washThe organic layer was washed with saturated brine solution
  3. dry with materialdried over Na2SO4
  4. concentrationThe organic layer was then concentrated under reduced pressure
  5. customThe obtained residue was purified by column chromatography (using neutral alumina and 5% MeOH: CHCl3 as eluent)

出典と根拠

ORDレコード
ord-19efeb69868d4291a959ed5671a38cef
出典データセット
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07842696B2

反応ノート

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