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Acetyl chloride → 2-Methyl(1,1'-bicyclohexyl)-2-yl acetate

HRID 1277527
ノート
印刷プレビュー

反応式

HRID 1277527 の反応式
[C:1](Cl)(=[O:3])[CH3:2].C(OC(=O)C)(=O)C.[CH3:12][C:13]1([OH:25])[CH2:18][CH2:17][CH2:16][CH2:15][CH:14]1[CH:19]1[CH2:24][CH2:23][CH2:22][CH2:21][CH2:20]1>CN(C)C1C=CC=CC=1.CCOCC>[C:1]([O:25][C:13]1([CH3:12])[CH2:18][CH2:17][CH2:16][CH2:15][CH:14]1[CH:19]1[CH2:20][CH2:21][CH2:22][CH2:23][CH2:24]1)(=[O:3])[CH3:2]
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 6367Acetyl chlorideHCID 7918Acetic AnhydrideHCID 20507686HCID 20507686、化合物

生成物 1

HCID 205076852-Methyl(1,1'-bicyclohexyl)-2-yl acetate

試薬・触媒・溶媒 2

HCID 949N,N-Dimethylaniline溶媒HCID 3283Diethyl Ether溶媒

反応条件

温度
40 °C

実験手順

A mixture of 360 ml of acetyl chloride and 153 ml of acetic acid anhydride is added dropwise at 0° C., whilst stirring, to a solution of 576 g of crude 1-methyl-2-cyclohexylcyclohexanol in 750 ml of N,N-dimethylaniline. The mixture is then allowed to come to room temperature, after which it is heated to 40° C. for 36 hours. Thereafter, the reaction mixture is poured onto ice and diluted with 1 liter of ether, and the organic phase is separated off and concentrated ona Rotavapor apparatus. The residue is then taken up in 2 liters of ether and the solution is washed with three times 200 ml of cold 2-N HCl and then with saturated bicarbonate solution and water until neutral, and is dried with anhydrous MgSO4 and evaporated in vacuo. 646 g of crude 1-acetoxy-1-methyl-2-cyclohexylcyclohexane are obtained.

後処理

  1. additionis added dropwise at 0° C.
  2. customto come to room temperature
  3. additionThereafter, the reaction mixture is poured onto ice
  4. customthe organic phase is separated off
  5. concentrationconcentrated ona Rotavapor apparatus
  6. washthe solution is washed with three times 200 ml of cold 2-N HCl
  7. dry with materialwith saturated bicarbonate solution and water until neutral, and is dried with anhydrous MgSO4
  8. customevaporated in vacuo

出典と根拠

ORDレコード
ord-26a9ca3b5bdc460d9c1b85e404b3c302
出典データセット
uspto-grants-1981_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04277618

反応ノート

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