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Potassium Carbonate → 2-[2-(1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-7-yl)ethoxy]pyridine

HRID 2268508
ノート
印刷プレビュー

反応式

HRID 2268508 の反応式
I[CH2:2][CH2:3][CH:4]1[CH2:10][CH2:9][C:8]2[C:11]([O:21][CH3:22])=[C:12]([O:19][CH3:20])[C:13]([O:17][CH3:18])=[C:14]([O:15][CH3:16])[C:7]=2[CH2:6][CH2:5]1.[OH:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][N:25]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.O>[CH3:16][O:15][C:14]1[C:7]2[CH2:6][CH2:5][CH:4]([CH2:3][CH2:2][O:23][C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][N:25]=3)[CH2:10][CH2:9][C:8]=2[C:11]([O:21][CH3:22])=[C:12]([O:19][CH3:20])[C:13]=1[O:17][CH3:18]
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 11430Potassium CarbonateHCID 183485187-(2-Iodoethyl)-1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepteneHCID 178516071HCID 178516071、化合物

生成物 1

HCID 183486022-[2-(1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-7-yl)ethoxy]pyridine収率 60%

試薬・触媒・溶媒 2

HCID 962Water溶媒
HCID 6228
Dimethylformamide
溶媒

実験手順

A mixture of 7-(2-iodoethyl)-1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cycloheptene (1.50 g), 2-hydroxypyridine (407 mg), and potassium carbonate (987 mg) in DMF (15 ml) was stirred at room temperature for 12 hr. The reaction mixture was diluted with water and extracted with ethyl acetate. The organic layer was washed with water and saturated aqueous sodium chloride and dried. The solvent was removed in vacuo. The residue was diluted with hexane and the resultant crystals were collected by filtration. The crystals were recrystallized from hexane-ethyl acetate to obtain 2-[2-(1,2,3,4-tetramethoxy-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-7-yl)ethoxy]pyridine (830 mg).

後処理

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated aqueous sodium chloride
  3. customdried
  4. customThe solvent was removed in vacuo
  5. additionThe residue was diluted with hexane
  6. filtrationthe resultant crystals were collected by filtration
  7. customThe crystals were recrystallized from hexane-ethyl acetate

出典と根拠

ORDレコード
ord-180c8f3b198b4088a5a462083a8cdc83
出典データセット
uspto-grants-2001_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06326369B1

反応ノート

読み込み中…

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