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Hydrochloric Acid → [2-(3-Methoxybenzyl)cyclohexyl]methanol

HRID 2389374
ノート
印刷プレビュー

反応式

HRID 2389374 の反応式
[H-].[Al+3].[Li+].[H-].[H-].[H-].[CH3:7][O:8][C:9]1[CH:10]=[C:11]([CH:22]=[CH:23][CH:24]=1)[CH2:12][CH:13]1[CH2:18][CH2:17][CH2:16][CH2:15][CH:14]1[C:19](O)=[O:20].Cl>C1COCC1.O>[CH3:7][O:8][C:9]1[CH:10]=[C:11]([CH:22]=[CH:23][CH:24]=1)[CH2:12][CH:13]1[CH2:18][CH2:17][CH2:16][CH2:15][CH:14]1[CH2:19][OH:20]
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 313Hydrochloric AcidHCID 19358413HCID 19358413、化合物HCID 21226445Aluminium lithium hydride

生成物 1

HCID 68533760[2-(3-Methoxybenzyl)cyclohexyl]methanol収率 80.2%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒3 回

反応条件

温度
60 °C

実験手順

Under N2 gas atmosphere, to a stirred mixture of lithium aluminum hydride (0.703 g) in THF (9 mL) was added 2-(3-methoxybenzyl)cyclohexanecarboxylic acid (2.3 g) in THF (9 mL) dropwise at 0° C. The reaction mixture was stirred at 0° C. for an hour, at ambient temperature for an hour, at 60° C. for 4 hours. The reaction mixture was cooled to 0° C. and was added mixed solution (1M HCl aqueous solution:THF=10:90) dropwise. The resulting mixture was diluted with water and was extracted with diethylether two times. The organic layer was dried over anhydrous MgSO4, filtered and evaporated in vacuo. The mixture was purified by thin-layer chromatography (n-hexane:EtOAc=5:1) to give [2-(3-methoxybenzyl)cyclohexyl]methanol (1.74 g) as a pale yellow oil.

後処理

  1. temperatureThe reaction mixture was cooled to 0° C.
  2. additionwas added
  3. extractionwas extracted with diethylether two times
  4. dry with materialThe organic layer was dried over anhydrous MgSO4
  5. filtrationfiltered
  6. customevaporated in vacuo
  7. customThe mixture was purified by thin-layer chromatography (n-hexane:EtOAc=5:1)

出典と根拠

ORDレコード
ord-399a25e4469b4631bbdec8bb02b95d6c
出典データセット
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08273745B2

反応ノート

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