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Triethylamine → 5-[3-fluoro-4-(methylsulfanyl)phenyl]-1-(pyrazin-2-yl)-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione

HRID 1881923
ノート
印刷プレビュー

反応式

HRID 1881923 の反応式
[F:1][C:2]1[CH:3]=[C:4]([CH:10]([CH2:15][CH:16]2[CH2:21][CH2:20][O:19][CH2:18][CH2:17]2)[C:11](=[O:14])[CH:12]=[CH2:13])[CH:5]=[CH:6][C:7]=1[S:8][CH3:9].[N:22]1[CH:27]=[CH:26][N:25]=[CH:24][C:23]=1[CH:28]=[O:29].C(N(CC)CC)C>C(O)C.[Cl-].C([N+]1C(C)=C(CCO)SC=1)C1C=CC=CC=1.C(OCC)(=O)C>[F:1][C:2]1[CH:3]=[C:4]([CH:10]([CH2:15][CH:16]2[CH2:21][CH2:20][O:19][CH2:18][CH2:17]2)[C:11](=[O:14])[CH2:12][CH2:13][C:28]([C:23]2[CH:24]=[N:25][CH:26]=[CH:27][N:22]=2)=[O:29])[CH:5]=[CH:6][C:7]=1[S:8][CH3:9]
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 3

HCID 8471TriethylamineHCID 11274980Pyrazine-2-carbaldehydeHCID 593314814-[3-fluoro-4-(methylsulfanyl)phenyl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-one

生成物 1

HCID 593315445-[3-fluoro-4-(methylsulfanyl)phenyl]-1-(pyrazin-2-yl)-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione収率 75%

試薬・触媒・溶媒 3

HCID 2833352
3-Benzyl-5-(2-hydroxyethyl)-4-methylthiazolium chloride
触媒
HCID 702Ethanol溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

To a solution of 4-[3-fluoro-4-(methylsulfanyl)phenyl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-one (433 mg) in ethanol (7 mL) were added pyrazine-2-carbaldehyde (182 mg), 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride (41.5 mg) and triethylamine (84.1 μL), and the mixture was stirred with heating under reflux for 2 hr. After cooling to room temperature, the reaction mixture was diluted with ethyl acetate and washed with water. The ethyl acetate layer was dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and the title compound (438 mg, yield 75%) was obtained as a pale-yellow amorphous solid from a fraction eluted with ethyl acetate-hexane (2:1, volume ratio).

後処理

  1. temperaturewith heating
  2. temperatureunder reflux for 2 hr
  3. washwashed with water
  4. dry with materialThe ethyl acetate layer was dried (MgSO4)
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-d2e64f3d998d4ef1ab2b703939e02051
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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