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Potassium Iodide → Ethyl 2-[(2-methylphenyl)acetyl]tetradecanoate

HRID 26229
ノート
印刷プレビュー

反応式

HRID 26229 の反応式
[CH3:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:8][C:9](=[O:16])[CH2:10][C:11]([O:13][CH2:14][CH3:15])=[O:12].C[O-].[Na+].Br[CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][CH2:30][CH2:31][CH3:32].[I-].[K+]>C(O)C>[CH3:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:8][C:9]([CH:10]([CH2:32][CH2:31][CH2:30][CH2:29][CH2:28][CH2:27][CH2:26][CH2:25][CH2:24][CH2:23][CH2:22][CH3:21])[C:11]([O:13][CH2:14][CH3:15])=[O:12])=[O:16]
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 4

HCID 4875Potassium IodideHCID 89191-BromododecaneHCID 10942334Sodium MethoxideHCID 21325235Ethyl 4-(2-methylphenyl)-3-oxobutanoate

生成物 1

HCID 21325239Ethyl 2-[(2-methylphenyl)acetyl]tetradecanoate

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

Three parts of ethyl 4-(2-methylphenyl)-3-oxobutanoate, 1 part of sodium methoxide, 4.6 parts of 1-bromododecane, 0.5 parts of potassium iodide and 50 parts of absolute ethanol were refluxed together for 4 hours and then stirred 18 hours at room temperature. The mixture was evaporated to a small volume, diluted with 100 parts water and extracted with ether. The ether extract was washed with saturated sodium bicarbonate, saturated sodium chloride solution and dried over magnesium sulfate. Evaporation of the ether gave 6 parts of crude ethyl 2-[(2-methylphenyl)acetyl]tetradecanoate as an oil which was not further purified.

後処理

  1. customThe mixture was evaporated to a small volume
  2. additiondiluted with 100 parts water
  3. extractionextracted with ether
  4. extractionThe ether extract
  5. washwas washed with saturated sodium bicarbonate, saturated sodium chloride solution
  6. dry with materialdried over magnesium sulfate
  7. customEvaporation of the ether

出典と根拠

ORDレコード
ord-421a65b248de467d90087779c3476745
出典データセット
uspto-grants-1979_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04148918

反応ノート

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