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Ammonium Acetate → 6-(5-{1-[4-(cyclopropylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyridine-3-carbaldehyde

HRID 1881975
ノート
印刷プレビュー

反応式

HRID 1881975 の反応式
[CH:1]1([S:4]([C:7]2[CH:12]=[CH:11][C:10]([CH:13]([CH2:31][CH:32]3[CH2:37][CH2:36][O:35][CH2:34][CH2:33]3)[C:14](=O)[CH2:15][CH2:16][C:17]([C:19]3[CH:24]=[CH:23][C:22]([CH:25]4[O:29]CCO4)=[CH:21][N:20]=3)=O)=[CH:9][CH:8]=2)(=[O:6])=[O:5])[CH2:3][CH2:2]1.C([O-])(=O)C.[NH4+:42]>C(O)(=O)C.C(OCC)(=O)C>[CH:1]1([S:4]([C:7]2[CH:12]=[CH:11][C:10]([CH:13]([C:14]3[NH:42][C:17]([C:19]4[N:20]=[CH:21][C:22]([CH:25]=[O:29])=[CH:23][CH:24]=4)=[CH:16][CH:15]=3)[CH2:31][CH:32]3[CH2:37][CH2:36][O:35][CH2:34][CH2:33]3)=[CH:9][CH:8]=2)(=[O:6])=[O:5])[CH2:2][CH2:3]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 517165Ammonium AcetateHCID 593314445-[4-(cyclopropylsulfonyl)phenyl]-1-[5-(1,3-dioxolan-2-yl)pyridin-2-yl]-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione

生成物 1

HCID 593314196-(5-{1-[4-(cyclopropylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyridine-3-carbaldehyde収率 83.1%

試薬・触媒・溶媒 2

HCID 176Acetic Acid溶媒
HCID 8857
Ethyl Acetate
溶媒

反応条件

温度
110 °C

実験手順

To a solution of 5-[4-(cyclopropylsulfonyl)phenyl]-1-[5-(1,3-dioxolan-2-yl)pyridin-2-yl]-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione (4.40 g) in acetic acid (35 mL) was added ammonium acetate (10.3 g), and the mixture was stirred at 110° C. for 45 min. After cooling to room temperature, the reaction mixture was diluted with ethyl acetate and washed with water. The ethyl acetate layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and the title compound (3.22 g, yield 83%) was obtained as a yellow amorphous solid from a fraction eluted with ethyl acetate-hexane (2:1, volume ratio). MS: 465 (MH+).

後処理

  1. temperatureAfter cooling to room temperature
  2. washwashed with water
  3. washThe ethyl acetate layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-6d64cb7bca2949178604b5d7237475b7
出典データセット
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08318746B2

反応ノート

読み込み中…

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