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Benzyl Alcohol → 2-Benzyloxy-6-cyano-3-methylpyridine

HRID 1243812
ノート
印刷プレビュー

反応式

HRID 1243812 の反応式
Br[C:2]1[C:7]([CH3:8])=[CH:6][CH:5]=[C:4]([C:9]#[N:10])[N:3]=1.[CH2:11]([OH:18])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1.[H-].[Na+]>O1CCCC1.C(OCC)(=O)C>[CH2:11]([O:18][C:2]1[C:7]([CH3:8])=[CH:6][CH:5]=[C:4]([C:9]#[N:10])[N:3]=1)[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=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 244Benzyl AlcoholHCID 24758Sodium hydrideHCID 219283226-Bromo-5-methylpyridine-2-carbonitrile

生成物 1

HCID 219283052-Benzyloxy-6-cyano-3-methylpyridine収率 52%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran溶媒HCID 8857Ethyl Acetate溶媒

実験手順

To a solution of 2-bromo-6-cyano-3-methylpyridine (272 mg) and benzyl alcohol (156 mg) in tetrahydrofuran (20 mL) was added sodium hydride (40 mg), and the mixture was heated under reflux for one hour. The reaction mixture was cooled to room temperature, diluted with ethyl acetate, washed successively with saturated aqueous sodium bicarbonate and saturated brine, and dried over anhydrous sodium sulfate. After removal of the sodium sulfate by filtration, the organic solvent was evaporated off in vacuo. The residue was purified by column chromatography on silica gel (hexane:ethyl acetate=19:1) to give the title compound (161 mg) as a colorless liquid.

後処理

  1. temperaturethe mixture was heated
  2. temperatureunder reflux for one hour
  3. washwashed successively with saturated aqueous sodium bicarbonate and saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. customAfter removal of the sodium sulfate
  6. filtrationby filtration
  7. customthe organic solvent was evaporated off in vacuo
  8. customThe residue was purified by column chromatography on silica gel (hexane:ethyl acetate=19:1)

出典と根拠

ORDレコード
ord-049107b3004541678c41d2d7cd3017b8
出典データセット
uspto-grants-2006_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07119107B2

反応ノート

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