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Diisopropylethylamine → (3,3-Dimethyl-morpholin-4-yl)[5-(3-fluoro-phenylethynyl)-pyridin-2-yl]-methanone

HRID 588076
ノート
印刷プレビュー

反応式

HRID 588076 の反応式
[F:1][C:2]1[CH:3]=[C:4]([C:8]#[C:9][C:10]2[CH:11]=[CH:12][C:13]([C:16]([OH:18])=O)=[N:14][CH:15]=2)[CH:5]=[CH:6][CH:7]=1.CCN(C(C)C)C(C)C.[CH3:28][C:29]1([CH3:35])[CH2:34][O:33][CH2:32][CH2:31][NH:30]1.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F>CN(C=O)C>[CH3:28][C:29]1([CH3:35])[CH2:34][O:33][CH2:32][CH2:31][N:30]1[C:16]([C:13]1[CH:12]=[CH:11][C:10]([C:9]#[C:8][C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=2)=[CH:15][N:14]=1)=[O: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 4

HCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 145518493,3-DimethylmorpholineHCID 533848625-((3-Fluorophenyl)ethynyl)picolinic acid

生成物 1

HCID 73775703(3,3-Dimethyl-morpholin-4-yl)[5-(3-fluoro-phenylethynyl)-pyridin-2-yl]-methanone収率 87%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

(50 mg, 0.21 mmol) 5-(3-Fluoro-phenylethynyl)-pyridine-2-carboxylic acid (Example 1, step 2) was dissolved in DMF (0.5 ml) and Hunig's Base (44 μl, 0.31 mmol, 1.2 equiv.), 3,3-dimethylmorpholine (36 mg, 0.25 mmol, 1.5 equiv.) and TBTU (73 mg, 0.23 mmol, 1.1 equiv.) were added at room temperature. The mixture was stirred for 16 hours at room temperature. The reaction mixture was evaporated and extracted saturated NaHCO3 solution and two times with a small volume of dichloromethane. The crude product was purified by flash chromatography by directly loading the dichloromethane layers onto a silica gel column and eluting with an ethyl acetate:heptane gradient 0:100 to 80:20. The desired (3,3-dimethyl-morpholin-4-yl)[5-(3-fluoro-phenylethynyl)-pyridin-2-yl]-methanone (61 mg, 87% yield) was obtained as a light yellow oil, MS: m/e=339.2 (M+H+).

後処理

  1. customThe reaction mixture was evaporated
  2. extractionextracted saturated NaHCO3 solution and two times with a small volume of dichloromethane
  3. customThe crude product was purified by flash chromatography
  4. washeluting with an ethyl acetate

出典と根拠

ORDレコード
ord-af0058ae610e4c63b288c672b4dbc5af
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09227959B2

反応ノート

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