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Sodium Carbonate → N-[3-(3,5-dimethoxy-4-hydroxyphenyl)-2-propenoyl]-N'-(2-benzhydroxyethyl) piperazine

HRID 652966
ノート
印刷プレビュー

反応式

HRID 652966 の反応式
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:18]=[CH:19][C:20]([N:22]2[CH2:27][CH2:26][N:25]([CH2:28][CH2:29][O:30][CH:31]([C:38]3[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=3)[C:32]3[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=3)[CH2:24][CH2:23]2)=[O:21])[CH:6]=[C:7]([O:16][CH3:17])[C:8]=1[O:9]COCCOC.O.C1(C)C=CC(S(O)(=O)=O)=CC=1.C(=O)([O-])[O-].[Na+].[Na+]>CO.O>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:18]=[CH:19][C:20]([N:22]2[CH2:27][CH2:26][N:25]([CH2:28][CH2:29][O:30][CH:31]([C:38]3[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=3)[C:32]3[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=3)[CH2:24][CH2:23]2)=[O:21])[CH:6]=[C:7]([O:16][CH3:17])[C:8]=1[OH:9]
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 10340Sodium CarbonateHCID 521998p-Toluenesulfonic acid monohydrateHCID 53756827N-[3[3,5-dimethoxy-4-(beta-methoxyethoxymethoxy)phenyl]-2-propenoyl]-N'-(2-benzhydroxyethyl) piperazine

生成物 1

HCID 54574456N-[3-(3,5-dimethoxy-4-hydroxyphenyl)-2-propenoyl]-N'-(2-benzhydroxyethyl) piperazine収率 75%

試薬・触媒・溶媒 2

HCID 887
Methanol
溶媒
HCID 962Water溶媒

実験手順

To a solution of 588 mg (0.995 mmol) of the amide compound in methanol (10 ml) was added 190 mg (0.999 mmol) of p-toluenesulfonic acid monohydrate, and the mixture was refluxed for 1 hour. The reaction mixture was diluted with water and adjusted to a pH value of 10 by the addition of aqueous solution of sodium carbonate and then extracted with ethyl acetate. The organic layer was washed with water and concentrated by evaporation under reduced pressure, The residue was subjected to Sephadex column chromatography, eluted with methanol, to give 375 mg (0.746 mmol) of N-[3-(3,5-dimethoxy-4-hydroxyphenyl) -2-propenoyl]-N'-(2-benzhydroxyethyl) piperazine. Spectrophotometric data of the product support the structure shown below. ##STR92##

後処理

  1. temperaturethe mixture was refluxed for 1 hour
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed with water
  4. concentrationconcentrated by evaporation under reduced pressure
  5. washeluted with methanol

出典と根拠

ORDレコード
ord-af3e044513204e639d60d3599717b448
出典データセット
uspto-grants-1987_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04673684

反応ノート

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