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Potassium Carbonate → diethyl 6-acetyl-3,4-dihydro-8-propyl-7-[3-[(5,6,7,8-tetrahydro-1-naphthalenyl)oxy]propoxy]-2H-1-benzopyran-2,2-dipropanoate

HRID 2371653
ノート
印刷プレビュー

反応式

HRID 2371653 の反応式
[C:1]([C:4]1[C:5]([OH:31])=[C:6]([CH2:28][CH2:29][CH3:30])[C:7]2[O:12][C:11]([CH2:20][CH2:21][C:22]([O:24][CH2:25][CH3:26])=[O:23])([CH2:13][CH2:14][C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH2:10][CH2:9][C:8]=2[CH:27]=1)(=[O:3])[CH3:2].[C:32]1([O:42][CH2:43][CH2:44][CH2:45]Br)[C:41]2[CH2:40][CH2:39][CH2:38][CH2:37][C:36]=2[CH:35]=[CH:34][CH:33]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[C:1]([C:4]1[C:5]([O:31][CH2:45][CH2:44][CH2:43][O:42][C:32]2[C:41]3[CH2:40][CH2:39][CH2:38][CH2:37][C:36]=3[CH:35]=[CH:34][CH:33]=2)=[C:6]([CH2:28][CH2:29][CH3:30])[C:7]2[O:12][C:11]([CH2:20][CH2:21][C:22]([O:24][CH2:25][CH3:26])=[O:23])([CH2:13][CH2:14][C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH2:10][CH2:9][C:8]=2[CH:27]=1)(=[O:3])[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

5

反応物 3

HCID 11430Potassium Carbonate2 回HCID 144059475-(3-Bromopropoxy)-1,2,3,4-tetrahydronaphthaleneHCID 15157494diethyl 6-acetyl-3,4-dihydro-8-propyl-7-hydroxy-2H-1-benzopyran-2,2-dipropanoate

生成物 1

HCID 15157495diethyl 6-acetyl-3,4-dihydro-8-propyl-7-[3-[(5,6,7,8-tetrahydro-1-naphthalenyl)oxy]propoxy]-2H-1-benzopyran-2,2-dipropanoate

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

実験手順

A mixture of 204 mg (0.469 mmol) of the title product of Example 81, 378 mg (1.41 mmol) of the title product of Example 12, and 136 mg (0.985 mmol) of anhydrous potassium carbonate in 4 ml of dimethylformamide was stirred at 80° for six hours. A further 136 mg of potassium carbonate was added, and the mixture was heated for another six hours. The mixture was permitted to cool and was partitioned between ethyl acetate and dilute hydrochloric acid. The aqueous layer was further extracted with two portions of ethyl acetate. The combined organic extracts were washed with brine, dried over sodium sulfite, filtered, and the solvent removed under reduced pressure. Chromotography of the residue over silica gel using 15% ethyl acetate/toluene as eluent gave the title compound, 114 mg.

後処理

  1. temperaturethe mixture was heated for another six hours
  2. temperatureto cool
  3. customwas partitioned between ethyl acetate and dilute hydrochloric acid
  4. extractionThe aqueous layer was further extracted with two portions of ethyl acetate
  5. washThe combined organic extracts were washed with brine
  6. dry with materialdried over sodium sulfite
  7. filtrationfiltered
  8. customthe solvent removed under reduced pressure

出典と根拠

ORDレコード
ord-443f29d2886b4b958fc87c4b098f7cce
出典データセット
uspto-grants-1992_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05093353

反応ノート

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