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Acetic Acid → Ethyl isopropyl 1,4-dihydro-4-(2'-ethoxy-6'-pentadecylphenyl)-2,6-dimethyl-3,5-pyridine dicarboxylate

HRID 424856
ノート
印刷プレビュー

反応式

HRID 424856 の反応式
[CH2:1]([O:3][C:4]1[CH:11]=[CH:10][CH:9]=[C:8]([CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH3:26])[C:5]=1[CH:6]=O)[CH3:2].[C:27]([O:33][CH:34]([CH3:36])[CH3:35])(=[O:32])[CH2:28][C:29]([CH3:31])=O.C(O)(=O)C.N1CCCCC1.[CH3:47][CH2:48][O:49][C:50](/[CH:52]=[C:53](\[NH2:55])/[CH3:54])=[O:51]>C(O)CCC>[CH2:1]([O:3][C:4]1[CH:11]=[CH:10][CH:9]=[C:8]([CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH3:26])[C:5]=1[CH:6]1[C:28]([C:27]([O:33][CH:34]([CH3:36])[CH3:35])=[O:32])=[C:29]([CH3:31])[NH:55][C:53]([CH3:54])=[C:52]1[C:50]([O:49][CH2:48][CH3:47])=[O:51])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 5

HCID 176Acetic AcidHCID 8082PiperidineHCID 68329Isopropyl acetoacetateHCID 6437562-Butenoic acid, 3-amino-, ethyl ester, (2Z)-HCID 225745702-Ethoxy-6-pentadecyl benzaldehyde

生成物 1

HCID 10282132Ethyl isopropyl 1,4-dihydro-4-(2'-ethoxy-6'-pentadecylphenyl)-2,6-dimethyl-3,5-pyridine dicarboxylate

試薬・触媒・溶媒 1

HCID 2631-Butanol溶媒

実験手順

2-Ethoxy-6-pentadecyl benzaldehyde (3 g, 8.3 mmol) and isopropyl acetoacetate (1.19 g, 8.3 mmol) were dissolved in n-butanol (20 mL). Acetic acid (0.5 g, 8.3 mmol) and piperidine (0.7 g, 8.3 mmol) were added and stirred at room temperature for 3-4 hrs. Ethyl-3-amino crotonate (1.08 g, 8.3 mmol) was then added and refluxed for 10 hrs. n-Butanol was evaporated and reaction mixture was washed with distilled water and extracted with dichloromethane (10 mL). Organic layer was dried over sodium sulfate, evaporated and compound was purified by column chromatography using silica gel (100-200 mesh) with hexane:EtOAc (94:6) solvent system to give ethyl isopropyl 1,4-dihydro-4-(2′-ethoxy-6′-pentadecylphenyl)-2,6-dimethyl-3,5-pyridine dicarboxylate as viscous liquid.

後処理

  1. temperaturerefluxed for 10 hrs
  2. customn-Butanol was evaporated
  3. customreaction mixture
  4. washwas washed with distilled water
  5. extractionextracted with dichloromethane (10 mL)
  6. dry with materialOrganic layer was dried over sodium sulfate
  7. customevaporated
  8. customcompound was purified by column chromatography

出典と根拠

ORDレコード
ord-38a1014fd89d4d9780acdb158fc26e7b
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08106062B1

反応ノート

読み込み中…

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