Acetic Acid → 4-[4-(4-Octyloxyphenyl)piperazin-1-yl]benzoic acid

HRID 1872371ノート

反応式

HRID 1872371 の反応式
[CH2:1]([O:9][C:10]1[CH:15]=[CH:14][C:13]([N:16]2[CH2:21][CH2:20][N:19]([C:22]3[CH:29]=[CH:28]C(C#N)=[CH:24][CH:23]=3)[CH2:18][CH2:17]2)=[CH:12][CH:11]=1)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH3:8].O.[C:31]([OH:34])(=[O:33])[CH3:32]>OS(O)(=O)=O>[CH2:1]([O:9][C:10]1[CH:15]=[CH:14][C:13]([N:16]2[CH2:21][CH2:20][N:19]([C:22]3[CH:29]=[CH:28][C:32]([C:31]([OH:34])=[O:33])=[CH:24][CH:23]=3)[CH2:18][CH2:17]2)=[CH:12][CH:11]=1)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH3:8]

参加物

5

実験手順

A solution of 4-[4-(4-Octyloxyphenyl)piperazin-1-yl]benzonitrile (0.5 g) in 20% H2SO4 aqueous solution (30 ml) and acetic acid (20 ml) was refluxed for 9 hours. The reaction mixture was pulverized with water. The precipitate was collected by filtration, and added to a mixture of water, tetrahydrofuran and ethyl acetate, and adjusted to pH 2.5 with 1N NaOH aqueous solution. The organic layer was taken, and dried over magnesium sulfate. The magnesium sulfate was filtered off, and the filtrate was evaporated under reduced pressure to give 4-[4-(4-Octyloxyphenyl)piperazin-1-yl]benzoic acid (388 mg).

後処理

  1. filtrationThe precipitate was collected by filtration
  2. additionadded to a mixture of water, tetrahydrofuran and ethyl acetate
  3. dry with materialdried over magnesium sulfate
  4. filtrationThe magnesium sulfate was filtered off
  5. customthe filtrate was evaporated under reduced pressure

出典と根拠

ORDレコード
ord-21b0c9d35520420880668022657fc83d
出典データセット
uspto-grants-2000_08
特許番号
US06107458

反応ノート

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